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Volkswagen Bora 1998 Service Manual - Electrical/electro

Summary of Bora 1998

  • Page 1

    Note: for guided fault finding information, refer to vas 5051 diagnostic tester 01 - on board diagnostic (obd) abs itt mark 20 ie on board diagnostic (obd) function identifying characteristics technical data safety precautions on board diagnostic (obd) with v.A.G 1551 scan tool or tester vas 5051 (f...

  • Page 2: Abs Itt Mark 20 Ie On Board

    01-1 abs itt mark 20 ie on board diagnostic (obd) function since the control modules are interconnected with can-bus, always begin obd by checking the diagnostic trouble code (dtc) memories of all the control modules in the vehicle. This occurs in the automatic test sequence and is activated with ke...

  • Page 3

    01-2 sporadic (isolated) malfunctions will also be recognized and stored. But if these malfunctions do not occur again within the next 50 vehicle starts and driving off sequences then, with the exception of "control module inoperative", the dtc memory will be erased. After switching on the ignition ...

  • Page 4

    01-3 v.A.G 1551 scan tool or tester vas 5051 the on board diagnostic (obd) must be initiated always at the commencement of troubleshooting. Electrical malfunctions which influence the braking characteristics will be stored. They can be checked with the v.A.G 1551 scan tool or with the tester vas 505...

  • Page 5

    01-4 identifying characteristics the brake booster boost is produced by vacuum pressure. Distinguishing features: 1 - 10" brake booster 2 - hydraulic unit 3 - control module, 25-pin (bolted to hydraulic unit) distinguishing features of abs, abs/edl and abs/edl/asr itt mark 20 ie hydraulic unit dimen...

  • Page 6

    01-5 technical data control module identification the control module version is displayed when the v.A.G 1551 scan tool or the tester vas 5051 is connected and the control module for brake electronics is selected page 01-23 . 1j0 907 379 d / g - abs 1j0 907 379 e / h - abs/edl 1j0 907 379 r / j - ab...

  • Page 7

    01-6 safety precautions the abs is a vehicle safety system; the appropriate knowledge is necessary to work on the system. In order to check complaints and to be able to carry out pin-pointed troubleshooting, the diagnostic trouble code (dtc) memory must be checked before beginning work on the abs sy...

  • Page 8

    01-7 on board diagnostic (obd) with v.A.G 1551 scan tool or tester vas 5051 (flow chart) connect v.A.G 1551 and select 1-rapid datatransfer or connect tester vas 5051 and select vehicle obd compare control module identification select address word 03-brake electronics check dtc memory 02 repair dtcs...

  • Page 9

    01-8 a b c d e perform directed entry of electrical tests service hydraulic/mechanical parts of brake system ( repair manual) 1. Perform all test steps of electrical checks page 01-102 identification not ok. 2. Service hydraulic/mechanical parts of brake system ( workshop manual) replace control mod...

  • Page 10: Electrical/electro

    Electrical/electro components and locations repair manual, brake system, repair group 45 1 - abs hydraulic unit n55- located on left of engine compartme the abs hydraulic pump -v64- and th inlet/outlet valves i hydraulic unit are checked by on bo diagnostic (obd) the abs hydraulic pump -v64- and v b...

  • Page 11

    01-10 2 - abs control module (w/edl) - j104- location: on hydraulic unit on left of engine compartment checked by on board diagnostic (obd) checking the multi-pin connector to control module page 01-106 do not disconnect connector before successfully completing obd. Switch ignition off before separa...

  • Page 12

    01-11 repair manual, brake system, repair group 45 3 - abs/edl and abs/edl/asr hydraulic unit -n55- located on left of engine compartment. The abs hydraulic pump -v64- and the inlet/outlet valves in the hydraulic unit are checked by on board diagnostic (obd) the abs hydraulic pump -v64- and valve bl...

  • Page 13

    01-12 4 - abs/edl and abs/edl/asr control module -j104- location: on hydraulic unit on left of engine compartment checked by on board diagnostic (obd) checking the multi-pin connector to control module page 01-106 do not disconnect connector before successfully completing obd. Switch ignition off be...

  • Page 14

    01-13 5 - brake light switch -f- the brake light switch is open in the rest position; adjusting page 01-131 can be checked via read measured value block page 01- 61 6 - data link connector (dlc) installation position: in center console below heating/air conditioning controls 7 - longitudinal acceler...

  • Page 15

    01-14 8 - abs warning light -k47- location: instrument cluster function: page 01-17 9 - warning light for brake system -k118- location: instrument cluster function: page 01-17 10 - esp control lamp -k155- location: instrument cluster Стр. 6 из 14 electrical/electronic components and locations.

  • Page 16

    01-15 11 - right/left front abs wheel speed sensor -g45-/- g47- checked by on board diagnostic (obd) before inserting the sensor clean the inner surface of the sensor mounting and coat with lubricating paste g 000 650 when connecting the speed sensor wire ensure it is not twisted in the wheel housin...

  • Page 17

    Repair manual, suspension, wheels, steering, repair group 40 removing and installing Стр. 8 из 14 electrical/electronic components and locations.

  • Page 18

    01-16 13 - right/left rear abs wheel speed sensor -g44-/-g46- checked by on board diagnostic (obd) before inserting the sensor clean the inner surface of the sensor mounting and coat with lubricating paste g 000 650 when connecting the speed sensor wire ensure it is not twisted in the wheel housing ...

  • Page 19

    Repair manual, suspension, wheels, steering, repair group 42 Стр. 10 из 14 electrical/electronic components and locations.

  • Page 20

    01-17 diagnostic trouble codes (dtc) displayed by warning lights -k14-, - k47- and -k118- warning lights for vehicles with abs/edl/asr and/or a radio/navigation system, the warning light for brake system -k118- is at position -3-. The function of the parking brake warning light -k14- is then taken o...

  • Page 21

    01-18 abs warning light -k47- electrical wiring diagrams, troubleshooting & component locations binder if the abs warning light -k47- (-2-) does not go out after switching ignition on and completion of test sequence then the malfunction may be: -a- voltage supply is below 10 volts -b- there is a mal...

  • Page 22

    01-19 abs warning lights -k47- and -k118- electrical wiring diagrams, troubleshooting & component locations binder warning! After the abs warning light -k47- and warning light for brake system -k118- have illuminated it is possible that the rear wheels will lock-up earlier when braking. If the abs w...

  • Page 23

    01-20 parking brake indicator light -k14- electrical wiring diagrams, troubleshooting & component locations binder vehicles with abs/edl malfunction: vehicle has no edl function for this complaint a possible cause may be the brake light switch -f- is incorrectly adjusted. Adjusting brake light switc...

  • Page 24: Abs Itt Mk 20 Ie On Board

    01-21 abs itt mk 20 ie on board diagnostic (obd) program all functions which could previously be performed with v.A.G 1551 can also be performed with the new tester vas 5051. Special tools and equipment v.A.G 1551 scan tool or v.A.G 1552 vehicle system tester. V.A.G 1551/3 or 1551/3a adapter cable С...

  • Page 25

    01-22 test requirements the tires installed to all wheels must be of the same (approved) size; tires inflated to prescribed pressure. Mechanical/hydraulic parts of the brake system including brake light switch and brake lights ok. Hydraulic lines and connections not leaking (visual check of hydrauli...

  • Page 26

    01-23 v.A.G 1551 scan tool, connecting and selecting function note: all functions which could previously be performed with v.A.G 1551 can also be performed with the new tester vas 5051. The abs function is switched off in the control module during the on board diagnostic (obd). The diagnostic troubl...

  • Page 27

    01-24 the print key is used for switching on the printer (warning lamp in key comes on). - switch ignition on. - switch on printer with print key (indicator lamp in key lights up). - press key -1- for "rapid data transfer" operating mode. Rapid data transfer help enter address word xx indicated on d...

  • Page 28

    01-25 control module code (03604). Coding control module page 01-58 workshop code v.A.G 1551 scan tool operating instructions if the control module identification number does not appear summary of selectable functions page 01-27 - press key. Rapid data transfer help select function xx indicated on d...

  • Page 29

    01-26 - check dlc as well as voltage supply and ground connection for abs control module (w/edl) -j104-, electrical check, page 01- 102 . - after repairing possible causes of malfunction, again enter address word 03 for "brake electronics" and confirm with q key. Стр. 6 из 81 abs itt mk 20 ie on boa...

  • Page 30

    01-27 list of selectable functions page 00 - automatic test sequence page 01-30 01 - check control module version connecting v.A.G 1551 scan tool and selecting functions page 01-23 02 - check dtc memory page 01-28 03 - output diagnostic test mode page 01-74 04 - initiate basic setting page 01-91 05 ...

  • Page 31

    01-28 diagnostic trouble code (dtc), memory all functions which could previously be performed with v.A.G 1551 can also be performed with the new tester vas 5051. Rapid data transfer help select function xx indicated on display: - press keys -0- and -2-; 02 enters the "check dtc memory" function. Rap...

  • Page 32

    01-29 - switch off ignition and disconnect tester at dlc. Work sequence if a dtc has been detected: 1. Repair according to dtc table, page 01- 35 2. Check dtc memory (function 02) 3. Erase dtc memory (function 05) 4. End output (function 06) 5. Perform a test drive 6. Check dtc memory again Стр. 9 и...

  • Page 33

    01-30 automatic test sequence the automatic test sequence checks all the diagnostic trouble code (dtc) memories of the control modules. - switch ignition on. V.A.G - on board diagnostic help 1 - rapid data transfer1) 2 - blink code output1) indicated on display 1) is displayed alternately - press ke...

  • Page 34

    01-31 vehicle diagnosis, testing and information system vas 5051, connecting and selecting abs control module all functions which could previously be performed with v.A.G 1551 can also be performed with the new tester vas 5051 in the operating mode "vehicle on board diagnostic": operating instructio...

  • Page 35

    01-32 note: the abs function is switched off in the control module during the on board diagnostic. The dtc memory can be erased after successful checking and repair. Note: operating instructions for vehicle diagnosis, testing and information system vas 5051. - pull cover -1- off in direction of -arr...

  • Page 36

    01-33 indicated on display select operating mode: - press button on display for "vehicle on board diagnostic" -arrow-. Indicated on display select vehicle system: - press "03 - brake electronics" on display -arrow-. Стр. 13 из 81 abs itt mk 20 ie on board diagnostic (obd) program.

  • Page 37

    01-34 displayed is e.G. (1j0 907 379 d) allocation of control module see parts catalog electrical wiring diagrams, troubleshooting & component locations binder coding control module page 01-58 operating instructions for vehicle diagnosis, testing and information system vas 5051. The control module i...

  • Page 38

    01-35 diagnostic trouble code (dtc) table note on dtc table: when beginning obd of the vehicle control modules, always start with function "automatic test sequence" by pressing keys 0 and 0 because the control modules are interconnected with a data bus wire. This checks the dtc memories of the contr...

  • Page 39

    01-36 v.A.G 1551 print-out possible cause repair no dtc recognized if "no dtc recognized" appears after carrying out repairs, on board diagnostic (obd) is ended. If, despite "no dtc recognized" appearing in the display, the abs system does not function properly, then proceed as follows: 1. Carry out...

  • Page 40

    01-37 v.A.G 1551 print-out possible cause repair 00283 left front abs wheel speed sensor - g47- open circuit, short to positive or ground, or loose contact in connections between left front abs wheel speed sensor -g47- and abs control module (w/edl) - j104- - check wiring and connections using wirin...

  • Page 41

    01-38 v.A.G 1551 print-out possible cause repair 00283 left front abs wheel speed sensor -g47- signal outside tolerances 1) open circuit, short to positive or ground, or loose contact in connections between left front abs wheel speed sensor -g47- and abs control module (w/edl) -j104- - check wiring ...

  • Page 42

    01-39 v.A.G 1551 print- out possible cause repair 00283 left front abs wheel speed sensor -g47- mechanical malfunction 1) excessive air gap between left front abs wheel speed sensor - g47- and rotor (signal not ok.) repair manual, brake system, repair group 45; removing and installing parts of abs s...

  • Page 43

    01-40 v.A.G 1551 print-out possible cause repair 00285 right front abs wheel speed sensor - g45- open circuit, short to positive or ground, or loose contact in connections between right front abs wheel speed sensor -g45- and abs control module (w/edl) - j104- - check wiring and connections using wir...

  • Page 44

    01-41 v.A.G 1551 print-out possible cause repair 00285 right front abs wheel speed sensor -g45- signal outside tolerances 1) open circuit, short to positive or ground, or loose contact in connections between right front abs wheel speed sensor -g45- and abs control module (w/edl) -j104- - check wirin...

  • Page 45

    01-42 v.A.G 1551 print- out possible cause repair 00285 right front abs wheel speed sensor -g45- mechanical malfunction 1) excessive air gap between right front abs wheel speed sensor- g45- and rotor (signal not ok.) repair manual, brake system, repair group 45; removing and installing parts of abs ...

  • Page 46

    01-43 v.A.G 1551 print-out possible cause repair 00287 right rear abs wheel speed sensor - g44- open circuit, short to positive or ground, or loose contact in connections between right rear abs wheel speed sensor -g44- and abs control module (w/edl) - j104- - check wiring and connections using wirin...

  • Page 47

    01-44 v.A.G 1551 print-out possible cause repair 00287 right rear abs wheel speed sensor -g44- signal outside tolerances 1) open circuit, short to positive or ground, or loose contact in connections between right rear abs wheel speed sensor -g44- and abs control module (w/edl) -j104- - check wiring ...

  • Page 48

    01-45 v.A.G 1551 print- out possible cause repair 00287 right rear abs wheel speed sensor -g44- mechanical malfunction 1) excessive air gap between right rear abs wheel speed sensor - g44- and rotor (signal not ok.) repair manual, brake system, repair group 45; removing and installing parts of abs s...

  • Page 49

    01-46 v.A.G 1551 print-out possible cause repair 00290 left rear abs wheel speed sensor - g46- open circuit, short to positive or ground, or loose contact in connections between left rear abs wheel speed sensor -g46- and abs control module (w/edl) - j104- - check wiring and connections using wiring ...

  • Page 50

    01-47 v.A.G 1551 print-out possible cause repair 00290 left rear abs wheel speed sensor -g46- signal outside tolerances 1) open circuit, short to positive or ground, or loose contact in connections between left rear abs wheel speed sensor -g46- and abs control module (w/edl) -j104- - check wiring an...

  • Page 51

    01-48 v.A.G 1551 print- out possible cause repair 00290 left rear abs wheel speed sensor -g46- mechanical malfunction 1) excessive air gap between left rear abs wheel speed sensor - g46- and rotor (signal not ok.) repair manual, brake system, repair group 45; removing and installing parts of abs sys...

  • Page 52

    01-49 v.A.G 1551 print- out possible cause repair 00668 vehicle voltage terminal 30 signal outside tolerances open circuit, short to positive or ground in the wiring - check wiring and connections using wiring diagram - perform electrical checks page 01-102 01044 control module incorrectly coded abs...

  • Page 53

    01-50 v.A.G 1551 print-out possible cause repair 01130 abs operation implausible signal 1) electrical interference from other sources (high frequency radiation e.G. Non-insulated ignition cable) - erase dtc memory - perform test drive at more than 20 km/h (13 mph) - check dtc memory again open circu...

  • Page 54

    01-51 v.A.G 1551 print-out possible cause repair 01276 abs hydraulic pump -v64- signal outside tolerances 1) abs hydraulic pump -v64-connector to control module faulty - perform output diagnostic test mode (dtm) page 01-74 open circuit, short to positive or ground in the wiring - check wiring and co...

  • Page 55

    01-52 v.A.G 1551 print-out possible cause repair 01312 drive train data bus faulty 1) or: abs control module (w/edl) - j104- incorrectly coded engine control module incorrectly coded repair group 01 for relevant engine code - check abs control module (w/edl) -j104- coding page 01- 58 - check engine ...

  • Page 56

    01-53 v.A.G 1551 print-out possible cause repair 01314 engine control module no communication - read measured value block page 01-61 display group number 125 open circuit, short to positive or ground in data bus wiring - check wiring and connections of data bus wiring using wiring diagram - perform ...

  • Page 57

    01-54 v.A.G 1551 print- out possible cause repair 01316 brake control module no communication open circuit, short circuit to positive or ground in data bus wiring - check data bus wiring and connection using wiring diagram - perform electrical checks page 01-102 Стр. 34 из 81 abs itt mk 20 ie on boa...

  • Page 58

    01-55 v.A.G 1551 print-out possible cause repair 18256 check engine control module (ecm) memory dtc in ecm repair manual, fuel injection & ignition, repair group 01 for relevant engine code - check engine control module dtc memory 65535 control module faulty abs control module (w/edl) -j104- faulty ...

  • Page 59

    01-56 diagnostic trouble code (dtc) memory, erasing and ending output note: all functions which could previously be performed with v.A.G 1551 can also be performed with the tester vas 5051. Test requirements: dtc memory checked page 01-28 . 1. Erasing dtc memory - press key. Rapid data transfer help...

  • Page 60

    01-57 warning! Dtc memory was not interrogated. Indicated on display note: adhere exactly to test sequence: first check dtc memory, then erase 2. Ending output - press keys -0- and -6-, to end output. Rapid data transfer q 06 - end output indicated on display - confirm input with q key. Rapid data t...

  • Page 61

    01-58 abs control module, coding all functions which could previously be performed with v.A.G 1551 can also be performed with the tester vas 5051. Warning light for abs -k47- and warning light for brake system -k118- flash when control module is coded with 00000. An entry is not set in the dtc memor...

  • Page 62

    01-59 rapid data transfer help select function xx indicated on display - input 07 for "code control module" and confirm with q key. Rapid data transfer q 07 - code control module indicated on display - confirm input with q key. Coding control module q enter code number xxxxx (0-32000) indicated on d...

  • Page 63

    01-60 coding table code number engine code variant 03504 aeg abs 13504 aeg abs/edl 03504 afp abs 13504 afp abs/edl 13204 afp abs/edl/asr 03504 alh abs 13504 alh abs/edl 13204 aph abs/edl/asr Стр. 40 из 81 abs itt mk 20 ie on board diagnostic (obd) program volkswagen technical site: http://volkswagen...

  • Page 64

    01-61 measured value block, reading note: all functions which could previously be performed with v.A.G 1551 can also be performed with the tester vas 5051. The control module can transfer a considerable amount of test data. This test data delivers information on the operational condition of the syst...

  • Page 65

    01-62 safety precautions observe following if test and measuring instruments are required during a test drive: test and measuring instruments must be secured to rear seat and operated by a 2nd person from this location. When test and measuring instruments are operated from the front passenger seat t...

  • Page 66

    01-63 - connect v.A.G 1551 scan tool and select address word 03 for"brake electronics" with ignition switched on; page 01-23 rapid data transfer help select function xx indicated on display - press keys 0 and 8 to select function "read measured value block". Rapid data transfer q 08 - read measured ...

  • Page 67

    01-64 list of selectable display group numbers display group number display zone designation 001 1 wheel speed at left front wheel sensor (km/h) 2 wheel speed at right front wheel sensor (km/h) 3 wheel speed at left rear speed sensor (km/h) 4 wheel speed at right rear speed sensor (km/h) 002 1 wheel...

  • Page 68

    01-65 display group number display zone designation 006 1 longitudinal acceleration sensor -g251- 1) 2 vacant 3 vacant 4 vacant 125 1 data bus for engine 2 data bus for four-wheel drive 1) 3 data bus for transmission 2) 4 vacant 1) four-wheel drive vehicles with haldex coupling only. 2) vehicles wit...

  • Page 69

    01-66 test sequence and test tables with measured values checking speed sensor allocation display group number 001 - press keys 0, 0 and 1. - confirm entry with key q. Read measured value block 1 1 2 3 4 there are always 4 display zones -arrows- in the measured value block. Decoding the individual v...

  • Page 70

    01-67 note: for display group number 001 remember: the actual wheel speeds are displayed. They serve to check the speed sensor allocation to the wheel. (the vehicle must be raised and the wheel must be rotated by hand by a 2nd mechanic). Read measured value block 1 display group number: 001 0 km/h 4...

  • Page 71

    01-68 checking speed sensor display group number 002 - press keys 0, 0 and 2. - confirm entry with key q. Read measured value block 2 1 2 3 4 there are always 4 display zones -arrows- in the measured value block. Decoding the individual values in display zones 1 to 4 can be read from the following t...

  • Page 72

    01-69 note: for display group number 002 remember: the reading of measured value blocks in display group number 002 must be undertaken when driving off slowly. Then the abs control module (w/edl) -j104- will store the first usable voltage signals provided by the speed sensors and display these as a ...

  • Page 73

    01-70 checking brake light switch for abs and abs/edl function display group number 003 - press keys 0, 0 and 3 - confirm entry with key q. Read measured value block 3 1 2 3 4 there are always 4 display zones -arrows- in the measured value block. Decoding the individual values in display zones 1 to ...

  • Page 74

    01-71 read measured value block 3 display group number: 003 0 indicated on display vacant vacant vacant brake light switch: if despite pressed foot brake a -0-, or not pressed foot brake a -1- is displayed on the v.A.G 1551 display; perform test step no. 4 of electrical check, page 01-102 . There is...

  • Page 75

    01-72 checking data bus wiring display group number 125 - press keys 1, 2 and 5 - confirm entry with key q. Read measured value block 125 1 2 3 4 there are always 4 display zones -arrows- in the measured value block. Decoding the individual values in display zones 1 to 4 can be read from the followi...

  • Page 76

    01-73 read measured value block 125 display group number: 125 engine 1 awd 1 gear. 1 indicated on display (example) vacant data bus connection for transmission 1) 1 data bus connection is available. 0 data bus connection is not available. 3) data bus for all-wheel drive 2) 1 data bus connection is a...

  • Page 77

    01-74 output diagnostic test mode (dtm) note: all functions which could previously be performed with v.A.G 1551 can also be performed with the tester vas 5051. The pump motor and the correct functioning of the hydraulic circuits (allocation of brake lines to wheel cylinders and function of valves) c...

  • Page 78

    01-75 example: indicated on v.A.G 1551 display during output diagnostic test mode (dtm): (e.G. Front left wheel, fl) output diagnostic test mode - ifl: vbat ofl: 0v wheel fl locked ifl = inlet valve front left vbat = voltage battery; voltage at valve ofl = outlet valve front left 0v = 0 volt; no vol...

  • Page 79

    01-76 - connect v.A.G 1551 scan tool. - switch ignition on. - press key -1- for "rapid data transfer" operating mode. - select brake electronics (address word 03); page 01-23 rapid data transfer q 03 - brake electronics indicated on display note: during the next work steps the abs warning light - k4...

  • Page 80

    01-77 rapid data transfer help select function xx indicated on display - press keys 0 and 3 rapid data transfer q 03 - output diagnostic test mode indicated on display - confirm entry with key q. Abs hydraulic pump -v64- must run. Output diagnostic test mode - abs hydraulic pump - v64 indicated on d...

  • Page 81

    01-78 - press key. Output diagnostic test mode - ifl: vbat ofl: 0v wheel fl locked indicated on display if the brake pedal gives, there is a malfunction in the hydraulic unit. In this case the hydraulic unit must be replaced. Repair manual, brake system, repair group 45; hydraulic unit, brake booste...

  • Page 82

    01-79 - press key. Abs hydraulic pump -v64- no longer runs. Output diagnostic test mode - ifl: vbat ofl: 0v wheel fl free indicated on display if the brake pedal does not give, there is a malfunction in the hydraulic unit. In this case the hydraulic unit must be replaced. Repair manual, brake system...

  • Page 83

    01-80 - press key. Output diagnostic test mode - release brakes indicated on display - remove foot from brake pedal. - press key. Output diagnostic test mode - operate brakes indicated on display - operate brake pedal. - press key. Output diagnostic test mode - ifr: 0v ofr: 0v wheel fr locked indica...

  • Page 84

    01-81 - press key. Output diagnostic test mode - ifr: vbat ofr: 0v wheel fr locked indicated on display if the brake pedal gives, there is a malfunction in the hydraulic unit. In this case the hydraulic unit must be replaced. Repair manual, brake system, repair group 45; hydraulic unit, brake booste...

  • Page 85

    01-82 - press key. Abs hydraulic pump -v64- no longer runs. Output diagnostic test mode - ifr: vbat ofr: 0v wheel fr free indicated on display if the brake pedal does not give, there is a malfunction in the hydraulic unit. In this case the hydraulic unit must be replaced. Repair manual, brake system...

  • Page 86

    01-83 - press key. Output diagnostic test mode - release brakes indicated on display - remove foot from brake pedal. - press key. Output diagnostic test mode - operate brakes indicated on display - operate brake pedal. - press key. Output diagnostic test mode - irl: 0v orl: 0v wheel rl locked indica...

  • Page 87

    01-84 - press key. Output diagnostic test mode - irl: vbat orl: 0v wheel rl locked indicated on display if the brake pedal gives, there is a malfunction in the hydraulic unit. In this case the hydraulic unit must be replaced. Repair manual, brake system, repair group 45; hydraulic unit, brake booste...

  • Page 88

    01-85 - press key. Abs hydraulic pump -v64 no longer runs. Output diagnostic test mode - irl: vbat orl: 0v wheel rl free indicated on display if the brake pedal does not give, there is a malfunction in the hydraulic unit. In this case the hydraulic unit must be replaced. Repair manual, brake system,...

  • Page 89

    01-86 - press key. Output diagnostic test mode - release brakes indicated on display - remove foot from brake pedal. - press key. Output diagnostic test mode - operate brakes indicated on display - operate brake pedal. - press key. Output diagnostic test mode - irr: 0v orr: 0v wheel rr locked indica...

  • Page 90

    01-87 - press key. Output diagnostic test mode - irr: vbat orr: 0v wheel rr locked indicated on display if the brake pedal gives, there is a malfunction in the hydraulic unit. In this case the hydraulic unit must be replaced. Repair manual, brake system, repair group 45; hydraulic unit, brake booste...

  • Page 91

    01-88 - press key. Abs hydraulic pump -v64- no longer runs. Output diagnostic test mode - irr: vbat orr: 0v wheel rr free indicated on display if the brake pedal does not give, there is a malfunction in the hydraulic unit. In this case the hydraulic unit must be replaced. Repair manual, brake system...

  • Page 92

    01-89 - press key. Output diagnostic test mode - release brakes indicated on display - remove foot from brake pedal. - press key. Output diagnostic test mode - edl valves/hyd-p: vbat wh fl/fr locked indicated on display (vehicles with edl) note: a 2nd mechanic is required to rotate the respective wh...

  • Page 93

    01-90 - press key. The abs warning light -k47- goes out. Function is unknown or cannot be carried out at the moment indicated on display the output diagnostic test mode (dtm) is completed - press key. Rapid data transfer help select function xx indicated on display note: there is a malfunction in th...

  • Page 94

    01-91 basic setting, initiating special tools and equipment function 04 "initiate basic settings" performs several functions: note: the basic setting to bleed the hydraulic unit is only required when one chamber of the brake fluid reservoir is completely empty. The basic setting is used to bleed the...

  • Page 95

    01-92 display group number 01: bleeding hydraulic unit. Note: all functions which could previously be performed with v.A.G 1551 can also be performed with the tester vas 5051. - connect vas 5234 brake filler and bleeder unit. - connect v.A.G 1551 scan tool and select (address word 03) "brake electro...

  • Page 96

    01-93 basic setting help enter display group number xxx indicated on display: - press keys 0, 0 and 1 - confirm entry with key q. System in basic setting 1 depress pedal and hold... Indicated on display: - operate pedal with substantial foot pressure and hold. Pedal moves down hydraulic pump runs pe...

  • Page 97

    01-94 system in basic setting 3 depress pedal and hold... Indicated on display - operate pedal with substantial foot pressure and hold. Pedal moves down hydraulic pump runs pedal comes back system in basic setting 3 rel. Pedal; fr/fl bleed screw open indicated on display - press key 3 on v.A.G 1551 ...

  • Page 98

    01-95 system in basic setting 5 depress pedal and hold... Indicated on display - operate pedal with substantial foot pressure and hold. Pedal moves down hydraulic pump runs pedal comes back system in basic setting 5 rel. Pedal; fr/fl bleed screw open indicated on display - press key 3 on v.A.G 1551 ...

  • Page 99

    01-96 system in basic setting 7 depress pedal and hold... Indicated on display - operate pedal with substantial foot pressure and hold. Pedal moves down hydraulic pump runs pedal comes back system in basic setting 7 rel. Pedal; fr/fl bleed screw open indicated on display - press key 3 on v.A.G 1551 ...

  • Page 100

    01-97 system in basic setting 9 depress pedal and hold... Indicated on display - operate pedal with substantial foot pressure and hold. Pedal moves down hydraulic pump runs pedal comes back system in basic setting 9 rel. Pedal; fr/fl bleed screw open indicated on display - press key 3 on v.A.G 1551 ...

  • Page 101

    01-98 system in basic setting 11 depress pedal and hold... Indicated on display - operate pedal with substantial foot pressure and hold. Pedal moves down hydraulic pump runs pedal comes back system in basic setting 11 rel. Pedal; fr/fl bleed screw open indicated on display - press key 3 on v.A.G 155...

  • Page 102

    01-99 system in basic setting 13 depress pedal and hold... Indicated on display - operate pedal with substantial foot pressure and hold. Pedal moves down hydraulic pump runs system in basic setting 13 rel. Pedal; fr/fl bleed screw open indicated on display - press key 3 on v.A.G 1551 or arrow up key...

  • Page 103

    01-100 system in basic setting 15 depress pedal and hold... Indicated on display - operate pedal with substantial foot pressure and hold. Pedal moves down hydraulic pump runs pedal comes back system in basic setting 15 rel. Pedal; fr/fl bleed screw open indicated on display - press key 3 on v.A.G 15...

  • Page 104

    01-101 system in basic setting 17 partial bleeding ended indicated on display - press key. Rapid data transfer help select function xx indicated on display - press keys -0- and -6- to end output. Rapid data transfer q 06 - end output indicated on display - confirm entry with q key. Rapid data transf...

  • Page 105: Abs,

    01-102 abs, abs/edl and abs/edl/asr itt mark 20 ie, electrical check special tools and equipment v.A.G 1598/21 adapter v.A.G 1594 a adapter set v.A.G 1526 a multimeter v.A.G 1921 pliers Стр. 1 из 31 abs, abs/edl and abs/edl/asr itt mark 20 ie, electrical check.

  • Page 106

    01-103 the test steps from page 01-111 are valid for: for vehicles on which the on board diagnostic (obd) does not give any indication of the source of the malfunction, work through the complete electrical check. For vehicles on which the obd provides a direct indication of the source of the malfunc...

  • Page 107

    01-104 test requirements switch ignition and electrical consumers off before beginning the check (headlights, lighting, fan ...). Fuses s9, s13, s178 and s179 must be ok (remove fuses from fuse holder to check). Removing air cleaner - pull connector -2- off mass air flow sensor. - release spring-typ...

  • Page 108

    01-105 - release abs control module (w/edl) - j104- connector -arrow 1- and pull off - arrow 2-. The specified values are matched to the v.A.G 1526 and are not necessarily applicable for other test units. - connect test box v.A.G 1598/21 -1- to multi-pin connector of abs control module (w/edl) -j104...

  • Page 109

    01-106 multi-pin connector with contact assignment note: all contacts not listed are currently not assigned and must never be connected to other components! Contact assignment of connectors for voltage supply and on board diagnostic (obd) with v.A.G 1551 scan tool contact 4 = ground (terminal 31) co...

  • Page 110

    01-107 contact wiring connection to component ... 1 left front abs wheel speed sensor -g47- 2 left front abs wheel speed sensor -g47- 3 coding bridge to contact 14 4 voltage supply to ignition switch 5 left rear abs wheel speed sensor -g46- 6 left rear abs wheel speed sensor -g46- 7 connector t16/7,...

  • Page 111

    01-108 contact wiring connection to component ... 13 longitudinal acceleration sensor -g251-(all-wheel drive vehicles with haldex coupling only) 14 coding bridge to contact 3 15 longitudinal acceleration sensor -g251-(four-wheel drive vehicles with haldex coupling only) 15 esp control lamp -k155- ac...

  • Page 112

    01-109 test step overview to test component voltage supply for abs hydraulic pump -v64- to abs control module (w/edl) -j104- - perform test step 1 voltage supply for valves in abs hydraulic unit -n55- to abs control module (w/edl) -j104- - perform test step 2 voltage supply (terminal x) on abs contr...

  • Page 113

    01-110 to test component voltage signal of right rear abs wheel speed sensor -g44- - perform test step 11 voltage signal of rear left abs wheel speed sensor -g46- - perform test step 12 coding bridge - perform test step 13 voltage supply for v.A.G 1551, t16 connector - perform test step 14 resistanc...

  • Page 114

    01-111 test table notes on test table the socket designations of adapter v.A.G 1598/21 are identical to the control module -j104 contact designations in wiring diagram. Electrical wiring diagrams, troubleshooting & component locations binder if the readings obtained deviate from the specifications, ...

  • Page 115

    01-112 switch to measuring range: voltage measurement (20 v =) test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 1 8 + 25 voltage supply for abs hydraulic pump -v64- to abs control module (w/edl) - j104- ignition...

  • Page 116

    01-113 switch to measuring range: voltage measurement (20 v =) test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 3 8 + 4 voltage supply (terminal x) to abs control module (w/edl) - j104- ignition switched on 10.0...

  • Page 117

    01-114 switch to measuring range: resistance measurement (2 k ) test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 5 19 + 20 resistance of right front abs wheel speed sensor -g45- ignition switched off 1.0 to 1.3 ...

  • Page 118

    01-115 switch to measuring range: resistance measurement (2 k ) test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 6 1 + 2 resistance of left front abs wheel speed sensor -g47- ignition switched off 1.0 to 1.3 k e...

  • Page 119

    01-116 switch to measuring range: resistance measurement (2 k ) test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 7 22 + 23 resistance of right rear abs wheel speed sensor -g44- ignition switched off 1.0 to 1.3 k...

  • Page 120

    01-117 switch to measuring range: resistance measurement (2 k ) test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 8 5 + 6 resistance of left rear abs wheel speed sensor -g46- ignition switched off 1.0 to 1.3 k el...

  • Page 121

    01-118 switch to measuring range: voltage measurement (2 v ) test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 9 19 + 20 right front abs wheel speed sensor - g45- voltage signal vehicle raised - check installatio...

  • Page 122

    01-119 switch to measuring range: voltage measurement (2 v ) test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 11 22 + 23 right rear abs wheel speed sensor - g44- voltage signal vehicle raised - check installatio...

  • Page 123

    01-120 switch to measuring range: resistance measurement (200 ) test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 13 3 + 14 coding bridge ignition switched off 0.0 to 1.0 electrical wiring diagrams, troubleshooti...

  • Page 124

    01-121 switch to measuring range: voltage measurement (20 v =) test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 14 - supply voltage for v.A.G 1551, connector t16 1) ignition switched off - connect multimeter v.A...

  • Page 125

    01-122 switch to measuring range: resistance measurement 200 test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 15 - resistance of k wire for v.A.G 1551 connector t16 1) ignition switched off - disconnect multi-pi...

  • Page 126

    01-123 functional check: abs warning light -k47- test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 16 - function of abs warning light -k47- switch ignition on abs warning light - k47- lights up for approx. 2 seco...

  • Page 127

    01-124 functional check: warning light for brake system -k118- test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 17 - function of warning light for brake system - k118- brake fluid level is ok. Switch ignition on...

  • Page 128

    01-125 functional check: abs hydraulic pump -v64- test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 18 - function of abs hydraulic pump - v64- ignition switched off - pull hydraulic pump -v64- connector t2 off co...

  • Page 129

    01-126 switch to measuring range: resistance measurement (200 /20 m ) test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 19 11 +10 data bus wiring ignition switched off set to measuring range 200 - disconnect mult...

  • Page 130

    01-127 continuation of test step 19 test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 19 set to measuring range 20 m - remove fuse s9 - check wiring for short circuit to positive or earth electrical wiring diagra...

  • Page 131

    01-128 switch to measuring range: resistance measurement (200 /20 m ) test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 20 - longitudinal acceleration sensor - g251- wiring ignition switched off select 200 measur...

  • Page 132

    01-129 continuation of test step 20 test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification set to measuring range 20 m - remove fuse s9 - check wiring for short circuit to positive or ground electrical wiring diagrams...

  • Page 133

    01-130 functional check: esp control lamp -k155 test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 21 - function of esp control lamp - k155- switch ignition on esp control lamp - k155- lights up for 2 seconds and ...

  • Page 134

    01-131 brake light switch, adjusting vehicle up to my 02.00 repair manual, brake system, repair group 46; installing brake light switch remove brake light switch to adjust. - disconnect connector from brake light switch. - remove brake light switch by turning to left through 90 . - pull brake light ...

  • Page 135

    01-132 vehicle from my 03.00 - pull out brake light switch plunger to full extension. - keep brake pedal in up position (important! Hold pedal up if necessary while installing switch). - guide switch through mounting hole (only fits in one position). - seat switch fully into opening (pressing plunge...

  • Page 136: Abs Mark 60 On Board

    01-133 abs mark 60 on board diagnostic (obd), vehicles from my 10.00 there are four versions of the abs mark 60. Abs abs/edl/asr abs/edl/asr/esp with front wheel drive abs/edl/asr/esp with 4motion each version has its own control module. The control modules can be coded accordingly through coding br...

  • Page 137

    01-134 function as the control modules are interconnected with a data bus wire, always start troubleshooting by the diagnostic trouble code (dtc) memories of all the control modules in the vehicle. This occurs in "automatic test sequence" and is activated with key function 00. When doing this, check...

  • Page 138

    01-135 sporadic (irregular) malfunctions will also be recognized and stored. But if malfunctions affecting the data bus system do not occur again within the next 15 vehicle start and driving off sequences, or other malfunctions within the next 50 vehicle start and driving off sequences, they will be...

  • Page 139

    01-136 features of 4motion in order to utilize the engine's maximum performance for a test, e.G. On a rolling road test bed, the longitudinal acceleration sensor - g251- must be switched off page 01-264 , initiating basic setting, display group number 040. Switch ignition off and on again to reactiv...

  • Page 140

    01-137 arrangement of abs mark 60 the brake booster boost is produced by vacuum pressure. Distinguishing features: 1 - 10" brake booster 2 - hydraulic unit 3 - control module, 47-pin (bolted to hydraulic unit). Two 4.8 mm wide contacts are located at each end of the connection. Стр. 5 из 10 abs mark...

  • Page 141

    01-138 technical data control module identification the version of the control module is displayed after the v.A.G 1551 scan tool or the tester vas 5051 has been connected and the control module for brake electronics has been selected page 01-163 . 1c0 907 379 c / j abs 1c0 907 379 d / k abs/edl/asr...

  • Page 142

    01-139 safety precautions and fundamental points regarding troubleshooting note: the abs is a vehicle safety system; the appropriate knowledge is necessary to work on the system. In order to check complaints and to be able to carry out pin-pointed troubleshooting, the diagnostic trouble code (dtc) m...

  • Page 143

    01-140 technical information electrical wiring diagrams, troubleshooting &component locations binder repair manual, brake system repair manual, suspension, wheels, steering Стр. 8 из 10 abs mark 60 on board diagnostic (obd), vehicles from my 10.00

  • Page 144

    01-141 troubleshooting with v.A.G 1551 scan tool or tester vas 5051 on abs mark 60 (flow chart) start connect v.A.G 1551 scan tool and select 1-rapid data transfer or connect tester vas 5051 and select vehicle self- diagnosis compare control module identification select address word 03-brake electro...

  • Page 145

    01-142 a b c d e perform directed entry of electrical tests service hydraulic/mechanical parts of brake system ( repair manual brake system) 1. Perform all test steps of electrical checks from page 01-288 identification not ok. 2. Service hydraulic/mechanical parts of brake system ( repair manual br...

  • Page 146: Electrical/electro

    01-143 electrical/electro components and installing locatio repair manual, brake system, repair group 45; hydraulic unit, brake booster/master cylinder - assembly overview; remo and installing control modu and hydraulic control part 1 - abs hydraulic unit n55- located on left of engine compartme the...

  • Page 147

    01-144 vehicles with abs/esp only 2 - abs control module (w/edl) - j104- location: on hydraulic unit on left of engine compartment checked by on board diagnostic (obd) checking the multi-pin connector to control module page 01-292 do not disconnect connector before successfully completing on board d...

  • Page 148

    Initiate basic setting page 01- 264 , perform display group numbers 060, 063, 066 and 069 Стр. 3 из 17 electrical/electronic components and installing locations.

  • Page 149

    01-145 repair manual, brake system, repair group 45; removing and installing parts of esp system 3 - sender for rotation rate - g202- vehicles with abs/edl/asr/esp only location: under instrument panel next to steering column checked by obd can be checked via read measured value block page 01-240 ob...

  • Page 150

    01-146 repair manual, brake system, repair group 45; removing and installing parts of esp system 4 - sensor for transverse acceleration - g200- vehicles with abs/edl/asr/esp only location: under instrument panel next to steering column checked by obd can be checked via read measured value block page...

  • Page 151

    01-147 repair manual, brake system, repair group 45 5 - longitudinal acceleration sensor -g251- vehicles with 4motion only location: on right a pillar at height of instrument panel checked by obd can be checked via read measured value block page 01- 240 observe installation instructions when the lat...

  • Page 152

    01-148 repair manual, brake system, repair group 45; removing and installing parts of esp system 6 - esp-sensor unit -g419-, vehicles from 02.02 vehicles with abs/edl/asr/esp only combined sensor for transverse acceleration - g200-, sender for rotation rate -g202- and longitudinal acceleration senso...

  • Page 153

    Esp-sensor unit -g419- is replaced, a zero compensation must be performed initiate basic setting page 01-264 , perform display group numbers 063 and 069 1) 4motion vehicles with haldex clutch only Стр. 8 из 17 electrical/electronic components and installing locations.

  • Page 154

    01-149 repair manual, brake system, repair group 47; assembly overview: brake booster/brake master cylinder for vehicles with abs/edl/asr/esp 7 - sender 1 for brake booster - g201- vehicles with abs/edl/asr/esp only checked by obd can be checked via read measured value block page 01-240 removing and...

  • Page 155

    01-150 repair manual, brake system, repair group 45; removing and installing parts of esp system 8 - brake booster 9 - steering angle sensor -g85- vehicles with abs/edl/asr/esp only location: on steering column between steering wheel and steering column switch. Checked by obd can be checked via read...

  • Page 156

    01-151 repair manual, brake system, repair group 47; brake system vacuum pump -v192 repair manual, brake system, repair group 47; brake system vacuum pump -v192 repair manual, brake system, repair group 46; 10 - brake system vacuum pump -v192- not installed in all vehicles location: left of subframe...

  • Page 157

    Brake pedal - assembly overview; adjusting brake light switch Стр. 12 из 17 electrical/electronic components and installing locations.

  • Page 158

    01-152 12 - data link connector (dlc) location: in center console below heating/air conditioning controls module 13 - button for asr/esp - e256- vehicles with abs/edl/asr/esp only 14 - abs warning light -k47- location: in the instrument cluster function: page 01-155 15 - warning light for brake syst...

  • Page 159

    01-153 repair manual, suspension, wheels, 17 - right/left front abs wheel speed sensor -g45-/- g47- checked by obd before inserting the sensor clean the inner surface of the sensor mounting and coat with lubricating paste g 000 650 when connecting the speed sensor wire make sure it is not twisted in...

  • Page 160

    Steering, repair group 40; servicing front suspension; ii - servicing wheel bearings Стр. 15 из 17 electrical/electronic components and installing locations.

  • Page 161

    01-154 repair manual, suspension, wheels, steering, repair group 42; servicing 19 - right/left rear speed sensor -g44-/-g46- checked by obd before inserting the sensor clean the inner surface of the sensor mounting and coat with lubricating paste g 000 650 when connecting the speed sensor wire make ...

  • Page 162

    Wheel bearings Стр. 17 из 17 electrical/electronic components and installing locations.

  • Page 163: Diagnostic Trouble Codes

    01-155 diagnostic trouble codes (dtcs) displayed by warning lights -k47-, -k118- and -k155- warning lamps item designation 1 abs warning light -k47- 2 warning light for brake system - k118- 3 asr/esp control lamp -k155- Стр. 1 из 4 diagnostic trouble codes (dtcs) displayed by warning lights -k47-, -...

  • Page 164

    01-156 abs warning light -k47- electrical wiring diagrams, troubleshooting & component locations binder if the abs warning light -k47- -1- does not go out after switching ignition on and completion of test sequence then the malfunction may be: -a- voltage supply is below 10 volt -b- there is a malfu...

  • Page 165

    01-157 warning lights -k47- and -k118- electrical wiring diagrams, troubleshooting & component locations binder warning! After the abs warning light -k47- and warning light for brake system -k118- have illuminated, it is possible that the rear wheels will lock-up earlier when braking. If the abs war...

  • Page 166

    01-158 asr/esp control lamp -k155- electrical wiring diagrams, troubleshooting & component locations binder if asr/esp control lamp -k155- flashes while driving, the asr or esp system is regulating the system. If the esp control lamp -k155- -3- does not go out after ignition is switched on and test ...

  • Page 167: On Board Diagnostic (Obd),

    01-159 on board diagnostic (obd), performing test prerequisites for obd the tires installed to all wheels must be of the same (approved) size; tires inflated to prescribed pressure. Mechanical/hydraulic parts of the brake system including brake light switch and brake lights ok. Hydraulic lines and c...

  • Page 168

    01-160 access to the obd is only possible when the vehicle is stationary and ignition turned on (or engine running). Wheel bearings and wheel bearing play are ok. When checking the abs system make sure that the vehicle electric system is not affected by electro-magnetic interference, i.E. The vehicl...

  • Page 169

    01-161 scan tool, connecting all functions which could previously be performed with v.A.G 1551/1552 can also be performed with the new tester vas 5051 in the operating mode vehicle obd. Operating instructions for vehicle diagnosis, testing and information system vas 5051. Special tools and equipment...

  • Page 170

    01-162 connecting vas 5051 selecting operating mode: selecting vehicle system: the control module identification and coding are indicated on the display. Selecting diagnosis function: all diagnostic functions available are indicated on the display. Note: the following test sequences are for v.A.G 15...

  • Page 171

    01-163 v.A.G 1551 scan tool, connecting and selecting function note: all functions that have so far been carried out with v.A.G 1551 can now also be carried out with the tester vas 5051. Special tools and equipment v.A.G 1551 or v.A.G 1552 scan tool vehicle system tester. V.A.G 1551/3 or 1551/3a ada...

  • Page 172

    01-164 note: the abs function is switched off in the control module during the obd. This is indicated by the flashing of abs warning light -k47- and warning light for brake system -k118-. If there is a malfunction currently, it will be indicated by the lights being on constantly. The dtc memory can ...

  • Page 173

    01-165 - switch on ignition. - switch on printer with the print key (indicator lamp in key lights up). - press key -1- for "rapid data transfer" operating mode. Rapid data transfer help enter address word xx indicated on display: - press keys -0- and -3-; 03 to input address word of vehicle system t...

  • Page 174

    01-166 system designation (esp). Type of drive (front wheel). Abs (mark 60). Control module coding (0011266). Coding control module page 01-232 . Workshop code v.A.G 1551 scan tool operating instructions if the control module identification number does not appear; summary of functions page 01-168 . ...

  • Page 175

    01-167 if "control module does not answer!" again appears: rapid data transfer help control module does not answer! Indicated on display: - perform test steps 1, 2 and 3 page 01-288 , electrical check. Rapid data transfer no signal from control module! Control module identification influenced during...

  • Page 176

    01-168 list of selectable functions page 00 - automatic test sequence page 01-169 01 - check control module version connecting v.A.G 1551 scan tool and selecting function page 01-163 01 - check control module version connecting tester vas 5051 and selecting function page 01-31 02 - check diagnostic ...

  • Page 177

    01-169 automatic test sequence the automatic test sequence checks all the diagnostic trouble codes (dtc) memories of the control modules. - switch on ignition. V.A.G - on board diagnosic help 1 - rapid data transfer1) 2 - blink code output1) indicated on display: 1) is displayed alternately - press ...

  • Page 178

    01-170 diagnostic trouble code (dtc) memory, checking note: all functions which could previously be performed with v.A.G 1551 can now also be carried out with the tester vas 5051. Rapid data transfer help select function xx indicated on display: - press keys -0- and -2-; 02 enters the "check dtc mem...

  • Page 179

    01-171 rapid data transfer help select function xx indicated on display: work sequence if a dtc has been recognized: 1. Repair malfunction according to dtc table, page 01-189 2. Check dtc memory (function 02) 3. Erase dtc memory (function 05) 4. End output (function 06) 5. Perform a test drive 6. Ch...

  • Page 180

    01-172 output diagnosic test mode (dtm) note: all functions which could previously be performed with v.A.G 1551 can now also be carried out with the tester vas 5051. The pump motor and the correct functioning of the hydraulic circuits (allocation of brake lines to wheel cylinders and function of val...

  • Page 181

    01-173 example: indicated on v.A.G 1551 display during output dtm: (e.G. Front left wheel, fl) output diagnosic test mode - ifl: vbat ofl: 0v wheel fl locked ifl = inlet valve front left vbat = voltage battery; voltage at valve ofl = outlet valve front left 0v = 0 volt; no voltage at valve locked/fr...

  • Page 182

    01-174 - connect v.A.G 1551 scan tool. - switch on ignition. - press key -1- for "rapid data transfer" operating mode. - select brake electronics control module (address word 03); page 01-165 . Rapid data transfer q 03 - brake electronics indicated on display: note: during the next work steps the ab...

  • Page 183

    01-175 rapid data transfer help select function xx indicated on display - press keys 0 and 3 rapid data transfer q 03 - output diagnosic test mode indicated on display abs hydraulic pump -v64- must run. - confirm entry with key q. Output diagnosic test mode - abs hydraulic pump - v64 indicated on di...

  • Page 184

    01-176 - press key. Output diagnosic test mode - ifl: vbat ofl: 0v wheel fl locked indicated on display abs hydraulic pump -v64- must run. Brake pedal must not give. If the brake pedal gives, there is a malfunction in the hydraulic unit. In this case the hydraulic unit must be replaced. Repair manua...

  • Page 185

    01-177 - press key. Abs hydraulic pump -v64 no longer runs. Output diagnosic test mode - ifl: vbat ofl: 0v wheel fl free indicated on display brake pedal must give perceptibly if the brake pedal does not give, there is a malfunction in the hydraulic unit. In this case the hydraulic unit must be repl...

  • Page 186

    01-178 - press key. Output diagnosic test mode - release brakes indicated on display - remove foot from brake pedal. - press key. Output diagnosic test mode - operate brakes indicated on display - operate brake pedal. - press key. Output diagnosic test mode - ifr: 0v ofr: 0v wheel fr locked indicate...

  • Page 187

    01-179 - press key. Output diagnosic test mode - ifr: vbat ofr: 0v wheel fr locked indicated on display abs hydraulic pump -v64- must run. Brake pedal must not give if the brake pedal gives, there is a malfunction in the hydraulic unit. In this case the hydraulic unit must be replaced. Repair manual...

  • Page 188

    01-180 - press key. Abs hydraulic pump -v64- no longer runs. Output diagnosic test mode - ifr: vbat ofr: 0v wheel fr free indicated on display brake pedal must give perceptibly if the brake pedal does not give, there is a malfunction in the hydraulic unit. In this case the hydraulic unit must be rep...

  • Page 189

    01-181 - press key. Output diagnosic test mode - release brakes indicated on display - remove foot from brake pedal. - press key. Output diagnosic test mode - operate brakes indicated on display - operate brake pedal. - press key. Output diagnosic test mode - irl: 0v orl: 0v wheel rl locked indicate...

  • Page 190

    01-182 - press key. Output diagnosic test mode - irl: vbat orl: 0v wheel rl locked indicated on display abs hydraulic pump -v64- must run. Brake pedal must not give if the brake pedal gives, there is a malfunction in the hydraulic unit. In this case the hydraulic unit must be replaced. Repair manual...

  • Page 191

    01-183 - press key. Abs hydraulic pump -v64 no longer runs. Output diagnosic test mode - irl: vbat orl: 0v wheel rl free indicated on display brake pedal must give perceptibly if the brake pedal does not give, there is a malfunction in the hydraulic unit. In this case the hydraulic unit must be repl...

  • Page 192

    01-184 - press key. Output diagnosic test mode - release brakes indicated on display - remove foot from brake pedal. - press key. Output diagnosic test mode - operate brakes indicated on display - operate brake pedal. - press key. Output diagnosic test mode - irr: 0v orr: 0v wheel rr locked indicate...

  • Page 193

    01-185 - press key. Output diagnosic test mode - irr: vbat orr: 0v wheel rr locked indicated on display abs hydraulic pump -v64- must run. Brake pedal must not give if the brake pedal gives, there is a malfunction in the hydraulic unit. In this case the hydraulic unit must be replaced. Repair manual...

  • Page 194

    01-186 - press key. Abs hydraulic pump -v64 no longer runs. Output diagnosic test mode - irr: vbat orr: 0v wheel rr free indicated on display brake pedal must give perceptibly if the brake pedal does not give, there is a malfunction in the hydraulic unit. In this case the hydraulic unit must be repl...

  • Page 195

    01-187 - press key. Output diagnosic test mode - release brakes indicated on display - remove foot from brake pedal. - press key. Output diagnosic test mode - edl valves/hyd-p: vbat wh fl/fr locked indicated on display (vehicles with edl) a 2nd mechanic is required to rotate the respective wheel by ...

  • Page 196

    01-188 - press key. The abs warning light -k47- goes out. Function is unknown or cannot be carried out at the moment indicated on display the final control diagnosis is completed - press key. Rapid data transfer help select function xx indicated on display note: there is a malfunction in the system ...

  • Page 197

    01-189 diagnostic trouble code (dtc) table note: when beginning on board diagnostic (obd) troubleshooting of the vehicle control modules, always start with function "automatic test sequence" by pressing keys 0 and 0 because the control modules are interconnected with a data bus wire. This checks the...

  • Page 198

    01-190 v.A.G 1551 print- out possible cause repair no dtc recognized if "no dtc recognized" appears after carrying out repairs, on board diagnostic (obd) is ended. If, despite "no dtc recognized" appearing in the display, the abs system does not function properly, then proceed as follows: 1. Carry o...

  • Page 199

    01-191 v.A.G 1551 print- out possible cause repair 00283 left front abs wheel speed sensor -g47- 1) electrical malfunction in current circuit open circuit in wiring between left front abs wheel speed sensor -g47- and abs control module (w/edl) -j104- repair manual, brake system, repair group 45; rem...

  • Page 200

    01-192 v.A.G 1551 print- out possible cause repair 00283 left front abs wheel speed sensor -g47- 1) implausible signal open circuit or loose contact in wiring between left front abs wheel speed sensor -g47- and abs control module (w/edl) -j104- - check wiring and connections using wiring diagram - p...

  • Page 201

    01-193 v.A.G 1551 print- out possible cause repair 00283 left front abs wheel speed sensor -g47- mechanical fault 1) excessive air gap between left front abs wheel speed sensor-g47- and rotor (signal not ok) repair manual, brake system, repair group 45; removing and installing parts of abs system on...

  • Page 202

    01-194 v.A.G 1551 print- out possible cause repair 00285 right front abs wheel speed sensor -g45- 1) electrical malfunction in current circuit open circuit in wiring between right front abs wheel speed sensor -g45- and abs control module (w/edl) -j104- repair manual, brake system, repair group 45; r...

  • Page 203

    01-195 v.A.G 1551 print- out possible cause repair 00285 right front abs wheel speed sensor -g45- 1) implausible signal open circuit; short to ground or loose contact in wiring between right front abs wheel speed sensor -g45- and abs control module (w/edl) -j104- - check wiring and connection using ...

  • Page 204

    01-196 v.A.G 1551 print- out possible cause repair 00285 right front abs wheel speed sensor -g45- mechanical malfunction 1) excessive air gap between right front abs wheel speed sensor-g45- and rotor (signal not ok) repair manual, brake system, repair group 45; removing and installing parts of abs s...

  • Page 205

    01-197 v.A.G 1551 print- out possible cause repair 00287 right rear abs wheel speed sensor -g44- 1) electrical malfunction in current circuit open circuit in wiring between right rear abs wheel speed sensor -g44- and abs control module (w/edl) -j104- repair manual, brake system, repair group 45; rem...

  • Page 206

    01-198 v.A.G 1551 print- out possible cause repair 00287 right rear abs wheel speed sensor -g44- 1) implausible signal open circuit; short to ground or loose contact in wiring between right rear abs wheel speed sensor -g44- and abs control module (w/edl) -j104- - check wiring and connections using w...

  • Page 207

    01-199 v.A.G 1551 print- out possible cause repair 00287 right rear abs wheel speed sensor -g44- 1) mechanical malfunction excessive air gap between right rear abs wheel speed sensor -g44- and rotor (signal not ok) repair manual, brake system, repair group 45; removing and installing parts of abs sy...

  • Page 208

    01-200 v.A.G 1551 print-out possible cause repair 00290 left rear abs wheel speed sensor -g46- 1) open circuit; short to positive or ground, or loose contact in connections between left rear abs wheel speed sensor - g46- and abs control module (w/edl) - j104- repair manual, brake system, repair grou...

  • Page 209

    01-201 v.A.G 1551 print- out possible cause repair 00290 left rear abs wheel speed sensor -g46- 1) implausible signal open circuit; short to ground or loose contact in wiring between left rear abs wheel speed sensor -g46- and abs control module (w/edl) -j104- - check wiring and connections using wir...

  • Page 210

    01-202 v.A.G 1551 print- out possible cause repair 00290 left rear abs wheel speed sensor -g46- 1) mechanical malfunction excessive air gap between left rear abs wheel speed sensor -g46- and rotor (signal not ok) repair manual, brake system, repair group 45; removing and installing parts of abs syst...

  • Page 211

    01-203 v.A.G 1551 print-out possible cause repair 00493 esp-sensor unit, vehicles from 02.02 no signal/communication or esp-sensor unit faulty open circuit, short to positive or ground in canbus wiring esp-sensor unit - g419- faulty brake systems; repair group 45; removing and installing parts of es...

  • Page 212

    01-204 v.A.G 1551 print-out possible cause repair 00495 esp-sensor unit, vehicles from 02.02 voltage supply open circuit, short to positive or ground in canbus wiring - check wiring and connections using wiring diagram - perform electrical check page 01-288 Стр. 46 из 129 on board diagnostic (obd), ...

  • Page 213

    01-205 v.A.G 1551 print-out possible cause repair 00526 brake light switch -f- 1) implausible signal - read measured value block page 01-240 display group number 002 open circuit, short to positive or ground in the wiring - check wiring and connections using wiring diagram - perform electrical check...

  • Page 214

    01-206 v.A.G 1551 print-out possible cause repair 00538 reference voltage electrical malfunction in current circuit short to positive or ground in voltage supply wiring: voltage supply less than 5 volt sender for rotation rate - g202- sensor for transverse acceleration -g200- sender 1 for brake boos...

  • Page 215

    01-207 v.A.G 1551 print- out possible cause repair 00668 vehicle voltage terminal 30 implausible signal open circuit, short to positive or ground in the wiring - check wiring and connections using wiring diagram - perform electrical check page 01- 288 alternator voltage > 17 volt electrical wiring d...

  • Page 216

    01-208 v.A.G 1551 print-out possible cause repair 00778 steering angle sensor - g85- no signal/communication 1) open circuit or loose contact in data bus wiring between steering angle sensor -g85- and control module -j104- terminals 15 and 30 on steering angle sensor -g85-, ground not present - chec...

  • Page 217

    01-209 v.A.G 1551 print-out possible cause repair 00778 steering angle sensor -g85- 1) mechanical malfunction steering wheel has been removed and no subsequent zero compensation performed - perform a zero compensation: - initiate basic settings page 01- 264 display group number 060 check specificati...

  • Page 218

    01-210 v.A.G 1551 print-out possible cause repair 00778 steering angle sensor -g85- implausible signal 1) installation of steering angle sensor -g85- is not ok. Repair manual, brake system, repair group 45; removing and installing parts of esp system - check installation of steering angle sensor -g8...

  • Page 219

    01-211 v.A.G 1551 print-out possible cause repair 00778 steering angle sensor -g85- faulty 1) steering angle sensor -g85- faulty repair manual, brake system, repair group 45; removing and installing parts of esp system - replace steering angle sensor - g85- - perform a zero compensation: - initiate ...

  • Page 220

    01-212 v.A.G 1551 print-out possible cause repair 01130 abs operation implausible signal 1) electrical interferences from other sources (high frequency radiation e.G. Non-insulated ignition cable) - erase dtc memory - perform test drive at more than 20 km/h (13 mph) - check dtc memory again open cir...

  • Page 221

    01-213 v.A.G 1551 print-out possible cause repair 01164 esp operation implausible signal 1) electrical interferences from other sources (high frequency radiation e.G. Uninsulated ignition cable) - erase dtc memory - perform test drive at more than 20 km/h (13 mph) - check dtc memory again open circu...

  • Page 222

    01-214 v.A.G 1551 print- out possible cause repair 01276 abs hydraulic pump -v64- implausible signal 1) resistance in ground or positive wiring - check wiring and connections using wiring diagram - perform electrical check page 01-288 hydraulic pump -v64- faulty repair manual, brake system, repair g...

  • Page 223

    01-215 v.A.G 1551 print-out possible cause repair 01276 abs hydraulic pump - v64- electrical malfunction in current circuit 1) battery positive fuse faulty - check fuses open circuit, short to positive or ground in the wiring - check wiring and connections using wiring diagram - perform electrical c...

  • Page 224

    01-216 v.A.G 1551 print-out possible cause repair 01279 longitudinal acceleration sensor - g251- 1) electrical malfunction in current circuit voltage supply less than 5 volt - read measured value block page 01-240 display group number 006 open circuit, short to positive or ground in the wiring - che...

  • Page 225

    01-217 v.A.G 1551 print- out possible cause repair 01279 longitudinal acceleration sensor - g251- 1) implausible signal - read measured value block page 01-240 display group number 006 the installation position of the longitudinal acceleration sensor -g251- is not ok - check installation position of...

  • Page 226

    01-218 v.A.G 1551 print-out possible cause repair 01279 longitudinal acceleration sensor -g251- 1) no, or incorrect, basic setting/adaptation longitudinal acceleration sensor -g251- sends no, or incorrect, setting values - read measured value block page 01-264 display group number 069 01312 drive tr...

  • Page 227

    01-219 v.A.G 1551 print-out possible cause repair 01314 engine control module no signal/communication - read measured value block page 01-240 display group number 125 open circuit, short to positive or ground in data bus wiring - check wiring and connections of data bus wiring using wiring diagram o...

  • Page 228

    01-220 v.A.G 1551 print-out possible cause repair 01315 transmission control module 1) no signal/communication - read measured value block page 01-240 display group number 125 open circuit, short to positive or ground in data bus wiring - check wiring and connections of data bus wiring using wiring ...

  • Page 229

    01-221 v.A.G 1551 print-out possible cause repair 01324 all-wheel drive control module -j492- 1) no communication - read measured value block page 01-240 display group number 125 open circuit, short to positive or ground in data bus wiring - check wiring and connectors of data bus wiring using wirin...

  • Page 230

    01-222 v.A.G 1551 print-out possible cause repair 01423 lateral acceleration sensor -g200- 1) electrical malfunction in current circuit connections voltage supply less than 5 volt open circuit, short to positive or ground in the wiring - check wiring and connections using wiring diagram - perform el...

  • Page 231

    01-223 v.A.G 1551 print- out possible cause repair 01423 sensor for transverse acceleration -g200- implausible signal 1) - read measured value block page 01-240 display group number 004 installation of sensor for transverse acceleration - g200- is not ok. - check installation of sensor for transvers...

  • Page 232

    01-224 v.A.G 1551 print-out possible cause repair 01423 sensor for transverse acceleration -g200- 1) no, or incorrect, basic setting/adaption zero compensation was never performed - perform zero compensation - initiate basic setting page 01- 264 display group number 063 01435 sender 1 for brake boos...

  • Page 233

    01-225 v.A.G 1551 print- out possible cause repair 01435 sender 1 for brake booster - g201- implausible signal 1) - read measured value block page 01- 240 display group number 005 open circuit, short to positive or ground in the wiring - check wiring and connections using wiring diagram - perform el...

  • Page 234

    01-226 v.A.G 1551 print-out possible cause repair 01435 sender 1 for brake booster -g201- electrical malfunction in current circuit 1) connections voltage supply is less than 5 volt open circuit, short to positive or ground in the wiring - check wiring and connections using current flow diagram - pe...

  • Page 235

    01-227 v.A.G 1551 print-out possible cause repair 01486 1) the esp driving test is activated - perform the complete esp driving test; the - dtc will be erased automatically - initiate basic setting page 01-264 display group number 093 01487 / literature 1) the esp driving test time has been exceeded...

  • Page 236

    01-228 v.A.G 1551 print- out possible cause repair 01542 sender for rotation rate -g202- implausible signal 1) - read measured value block page 01-240 display group number 004 installation of sender for rotation rate -g202- is not ok. - check installation of sender for rotation rate -g202- open circ...

  • Page 237

    01-229 v.A.G 1551 print- out possible cause repair 01542 sender for rotation rate -g202- 1) electrical malfunction in current circuit connections voltage supply is less than 5 volt open circuit, short to positive or ground in the wiring - check wiring and connections using wiring diagram - perform e...

  • Page 238

    01-230 diagnostic trouble code (dtc) memory, erasing and ending output note: all functions which could previously be performed with v.A.G 1551 can now also be carried out with the tester vas 5051. Prerequisites: dtc memory checked page 01- 170 . 1. Erasing dtc memory - press key. Rapid data transfer...

  • Page 239

    01-231 warning! Dtc memory was not interrogated. Indicated on display: note: adhere exactly to test sequence: first check dtc, then erase 2. Ending output - press keys -0- and -6-, this ends the output. Rapid data transfer q 06 - end output indicated on display - confirm input with q key. Rapid data...

  • Page 240

    01-232 abs control module, coding note: all functions which could previously be performed with v.A.G 1551 can now also be carried out with the tester vas 5051. Abs warning light -k47- and warning light for brake system -k118- flash when abs control module (w/edl) -j104- is coded with 00000. An entry...

  • Page 241

    01-233 test sequence - connect v.A.G 1551 scan tool and select (address word 03) brake electronics control module with ignition switched on; page 01- 163 . - establish engine code. Rapid data transfer help select function xx indicated on display: - input 07 for the function "code control module" and...

  • Page 242

    01-234 vehicle data label explanation of the pr. Numbers on vehicle data label various wheels are installed depending on engine and equipment level. These are identified by the pr. Numbers. The wheel installed in the vehicle is documented on the vehicle data label with the relevant pr number. Repair...

  • Page 243

    01-235 pr number brakes 1ls fs iii brakes 1lq fs iii brakes 1zm fs iii brakes 1zf fs iii brakes 1zp fs iii brakes pr number brakes 1le fn 3 brakes 1lj fn 3 brakes 1ze fn 3 brakes 1zd fn 3 brakes Стр. 77 из 129 on board diagnostic (obd), performing.

  • Page 244

    01-236 table for abs, coding note: the control unit must be coded with the same code number as the previous control unit installed in the vehicle with control unit identification number 1c0 907 379 c/j/l for vehicles from 10.00 engine engine code vehicle type code number 1.8 ltr. Awd; aww; awp front...

  • Page 245

    01-237 table for abs/edl/asr, coding note: the control module must be coded with the same code number as the previous control module installed in the vehicle with control unit identification number 1c0 907 379 d/k for vehicles from 10.00 engine engine code vehicle type code number 1.8 ltr. Awd; aww;...

  • Page 246

    01-238 table for abs/edl/asr/esp, coding vehicles with front wheel drive note: the control module must be coded with the same code number as the previous control module installed in the vehicle with control unit identification number 1c0 907 379 e/g/m for vehicles from 10.00 engine engine codes brak...

  • Page 247

    01-239 table for abs/edl/asr/esp, coding note: the control module must be coded with the same code number as the previous control module installed in the vehicle 4motion vehicles with control unit identification number 1c0 907 379 f/h/n engine engine codes brake type 1) heavy duty package 2) coding ...

  • Page 248

    01-240 measured value block, reading note: all functions that have been carried out so far with v.A.G 1551 can now also be carried out with the tester vas 5051. The control module can transfer a considerable amount of test data. This test data delivers information on the operational condition of the...

  • Page 249

    01-241 - connect v.A.G 1551 scan tool and select (address word 03) brake electronics control module with ignition switched on; page 01- 163 . Rapid data transfer help select function xx indicated on display: - press keys 0 and 8. (the function "read measured value block" is initiated with 08.) rapid...

  • Page 250

    01-242 overview of selectable display group numbers display group number display zone designation 001 1 wheel speed at left front wheel sensor (km/h) 2 wheel speed at right front wheel sensor (km/h) 3 wheel speed at left rear speed sensor (km/h) 4 wheel speed at right rear speed sensor (km/h) 002 1 ...

  • Page 251

    01-243 display group number display zone designation 004 1 steering angle sensor 2 lateral accelerator sensor 3 sender for rotation rate 4 vacant 005 1 brake pressure sensor 2 vacant 3 vacant 4 vacant Стр. 85 из 129 on board diagnostic (obd), performing.

  • Page 252

    01-244 display group number display zone designation 006 1 longitudinal acceleration sensor 1) 2 vacant 3 vacant 4 vacant 125 1 data bus for engine 2 data bus for steering angle 2) 3 data bus for all-wheel drive 1) 4 data bus for transmission 3) 1) 4motion vehicles only 2) abs/edl/asr/esp and abs/ed...

  • Page 253

    01-245 test sequence and test tables with measured values checking speed sensor allocation display group number 001 - press keys 0, 0 and 1. - confirm entry with key q. Read measured value block 1 1 2 3 4 - there are always 4 display zones - arrows- in the measured value block. Decoding the individu...

  • Page 254

    01-246 note: for display group number 001 remember: the actual wheel speeds are displayed. They serve to check the speed sensor allocation to the wheel. (the vehicle must be raised and the wheel must be rotated by hand by a 2nd mechanic). Read measured value block 1 display group number: 001 0 km/h ...

  • Page 255

    01-247 checking speed sensor display group number 002 - press keys 0, 0 and 2. - confirm entry with key q. Read measured value block 2 1 2 3 4 - there are always 4 display zones - arrows- in the measured value block. Decoding the individual values in display zones 1 to 4 can be read-off from the fol...

  • Page 256

    01-248 note: for display group number 002 remember: the reading of measured value blocks in display group number 002 must be undertaken when driving off slowly. Then the abs control module (w/edl) -j104- will store the first usable voltage signals provided by the speed sensors and display these as a...

  • Page 257

    01-249 checking brake light switch, brake system warning lamp, abs warning lamp and asr/esp warning lamp display group number 003 - press keys 0, 0 and 3 - confirm entry with key q. Read measured value block 3 1 2 3 4 - there are always 4 display zones - arrows- in the measured value block. Decoding...

  • Page 258

    01-250 read measured value block 3 display group number: 003 not oper. Off off off indicated on display asr/esp warning light off on abs warning light 1) off on brake system warning light 1) off on brake light switch: if "not oper." is indicated on the v.A.G 1551 display despite foot brake being dep...

  • Page 259

    01-251 checking steering angle sensor, sensor for transverse acceleration and sender for rotation rate 1) display group number 004 - press keys 0, 0 and 4 - confirm entry with key q. Read measured value block 4 1 2 3 - there are always 3 display zones - arrows- in the measured value block. Decoding ...

  • Page 260

    01-252 read measured value block 4 display group number: 004 0.0 0.0m/s 2 - 1.26 /s indicated on display (example) vacant sender for rotation rate: specification when vehicle is stationary:+/- 2.5 /s perform electrical check from page 01-288 sensor for transverse acceleration: specification when veh...

  • Page 261

    01-253 checking sensor for transverse acceleration - g200- 1) - remove sensor for transverse acceleration - g200-. When doing this, do not pull connector off sensor for transverse acceleration -g200-. Repair manual, brake system, repair group 45; removing and installing parts of esp system note: all...

  • Page 262

    01-254 a negative result equates to the forces during a right turn. - turn 90 to right of installation position (see illustration). - display in display zone 2 (with vehicle stationary) e.G. -9.8 1 m/s 2 . A positive result equates to the forces during a left turn. - turn 90 to left of installation ...

  • Page 263

    01-255 checking brake pressure sensor 1) display group number 005 - press keys 0, 0 and 5 - confirm entry with key q. Read measured value block 5 1 2 3 4 - there are always 4 display zones - arrows- in the measured value block. Decoding the individual values in display zones 1 to 4 can be read-off f...

  • Page 264

    01-256 read measured value block 5 display group number: 005 -1.06 bar indicated on display (example) vacant vacant vacant brake pressure sensor specification when brake pedal is not depressed: 7 bar perform electrical check from page 01-288 Стр. 98 из 129 on board diagnostic (obd), performing.

  • Page 265

    01-257 checking longitudinal acceleration sensor -g251- 1) display group number 006 - press keys 0, 0 and 6 - confirm entry with key q. Read measured value block 6 1 2 3 4 - there are always 4 display zones - arrows- in the measured value block. Decoding the individual values in display zones 1 to 4...

  • Page 266

    01-258 read measured value block 6 display group number: 006 0.0m/s 2 indicated on display (example) vacant vacant vacant longitudinal acceleration sensor: 1) specification when vehicle is stationary:+/- 1.5m/s 2 specification when accelerating forwards: the values increase steadily. Specification w...

  • Page 267

    01-259 checking longitudinal acceleration sensor - g251- 1) - remove longitudinal acceleration sensor -g251- without pulling off connector. Repair manual, brake system, repair group 45 note: all functions that have so far been carried out with v.A.G 1551 can now also be carried out with the tester v...

  • Page 268

    01-260 a positive sign corresponds to the force when driving forward. - turn 90 to right of installation position (see illustration). - display in display zone 1 (with vehicle stationary) e.G. +9.8 1 m/s 2 . A negative sign corresponds to the force when driving backward. - turn 90 to left of install...

  • Page 269

    01-261 checking data bus wiring display group number 125 - press keys 1, 2 and 5 - confirm entry with key q. Read measured value block 125 1 2 3 4 - there are always 4 display zones - arrows- in the measured value block. Decoding the individual values in display zones 1 to 4 can be read-off from the...

  • Page 270

    01-262 read measured value block 125 display group number: 125 engine 1 st.Ang. 1 4wd 1 gear. 1 indicated on display (example) data bus for transmission 1) 1 data bus connection is available. 0 data bus connection is not available. 3) data bus for all-wheel drive 2) 1 data bus connection is availabl...

  • Page 271

    01-263 output diagnosic test mode (dtm) page 01-74 Стр. 105 из 129 on board diagnostic (obd), performing.

  • Page 272

    01-264 basic setting, initiating function 04 "initiate basic setting" performs several functions with abs mark 60: display group number 001 is required only to bleed the hydraulic system page 01-266 note: the basic setting is only necessary to bleed the hydraulic unit if at least one chamber of the ...

  • Page 273

    01-265 display group number 069 1) is required to perform a zero compensation of longitudinal acceleration sensor -g251- page 01-281 . Display group number 093 2) is required to perform a driving test page 01-284 . It serves to check the plausibility of the signals from the steering angle sensor -g8...

  • Page 274

    01-266 display group number 01: bleeding hydraulic unit special tools and equipment note: all functions which could previously be performed with v.A.G 1551 can now also be carried out with the tester vas 5051. Repair manual, brake system, repair group 47; bleeding brake system, vehicles with and wit...

  • Page 275

    01-267 rapid data transfer q 04 - basic setting indicated on display: - confirm entry with key q. Basic setting help enter display group number xxx indicated on display: the following cycle of steps must be repeated 8 times according to the basic setting prescribed by v.A.G 1551 or tester vas 5051. ...

  • Page 276

    01-268 basic setting 2 depr. Pedal 10x; bleed screw closed indicated on display: - press key 3 on v.A.G 1551 or arrow up key on vas 5051 system in basic setting 17 part. Bleeding ended... When all 8 cycles have been performed, this message appears on the display: - press key. Rapid data transfer hel...

  • Page 277

    01-269 display group number 40: switching off longitudinal acceleration sensor -g251- all functions which could previously be performed with v.A.G 1551 can now also be carried out with the tester vas 5051. Display group 040 is necessary for shutting off longitudinal acceleration sensor -g251- in ord...

  • Page 278

    01-270 rapid data transfer help enter address word xx indicated on display: - press keys 0 and 4. (the function "initiating basic setting" is selected with 04). Rapid data transfer q 04 - basic setting indicated on display: - confirm entry with key q. Basic setting help enter display group number xx...

  • Page 279

    01-271 display group number 60: zero compensation of steering angle sensor -g85- note: all functions which could previously be performed with v.A.G 1551 can now also be carried out with the tester vas 5051. - connect v.A.G 1551 scan tool and select (address word 03) brake electronics control module ...

  • Page 280

    01-272 if the steering wheel is in the straight ahead position during the test drive, stop the vehicle while still driving straight ahead. - check specifications with help of function 08 "read measured value block" page 01-240 , display group number 004. Make sure steering wheel does not moved. Do n...

  • Page 281

    01-273 basic setting help enter display group number xxx indicated on display: - press keys 0, 6 and 0 - confirm entry with key q. Abs warning light flashes. Basic setting 60 off compens. Ok. 0.0 and then the display shows e.G.: function is unknown or cannot be - performed at moment if this display ...

  • Page 282

    01-274 - or: basic setting 60 off compens. Not poss. 12. If this appears in the display, the measured values for the zero compensation are not within the allowed tolerance. 1. Check dtc memory (function 02) 2. Erase dtc memory (function 05) 3. End output (function 06) 4. Switch off ignition. 5. Swit...

  • Page 283

    01-275 display group number 63: zero compensation of sensor for transverse acceleration -g200- note: all functions which could previously be performed with v.A.G 1551 can now also be carried out with the tester vas 5051. Position vehicle on a flat level surface. - connect v.A.G 1551 scan tool and se...

  • Page 284

    01-276 rapid data transfer q 04 - basic setting indicated on display: - confirm entry with key q. Basic setting help enter display group number xxx indicated on display: - press keys 0, 6 and 3 - confirm entry with key q. Abs warning light flashes. Basic setting 63 off compens. Ok. 0.6m/s2 and then ...

  • Page 285

    01-277 1. Check dtc memory (function 02) 2. Erase dtc memory (function 05) 3. End output (function 06) 4. Switch off ignition. 5. Switch on ignition. 6. Perform zero compensation again. - press key. Rapid data transfer help enter address word xx indicated on display: - press keys 0 and 6, this ends ...

  • Page 286

    01-278 display group number 66: zero compensation for sender 1 for brake booster -g201- note: all functions which could previously be performed with v.A.G 1551 can now also be carried out with the tester vas 5051. Brake pedal not depressed. - connect v.A.G 1551 scan tool and select (address word 03)...

  • Page 287

    01-279 rapid data transfer q 04 - basic setting indicated on display: - confirm entry with key q. Basic setting help enter display group number xxx indicated on display: - press keys 0, 6 and 6 - confirm entry with key q. Abs warning light flashes. Basic setting 66 off compens. Ok. - 0.85bar and the...

  • Page 288

    01-280 1. Check dtc memory (function 02) 2. Erase dtc memory (function 05) 3. End output (function 06) 4. Switch off ignition. 5. Switch on ignition. 6. Perform zero compensation again. - press key. Rapid data transfer help enter address word xx indicated on display: - press keys 0 and 6, this ends ...

  • Page 289

    01-281 display group number 69: zero compensation of longitudinal acceleration sensor -g251- note: all functions which could previously be performed with v.A.G 1551 can now also be carried out with the tester vas 5051. Position vehicle on a flat level surface. - connect v.A.G 1551 scan tool and sele...

  • Page 290

    01-282 rapid data transfer q 04 - basic setting indicated on display: - confirm entry with key q. Basic setting help enter display group number xxx indicated on display: - press keys 0, 6 and 9 - confirm entry with key q. Abs warning light flashes. Basic setting 69 off compens. Ok 0.3m/s2 indicated ...

  • Page 291

    01-283 1. Check dtc memory (function 02) 2. Erase dtc memory (function 05) 3. End output (function 06) 4. Switch off ignition. 5. Switch on ignition. 6. Perform zero compensation again. - press key. Rapid data transfer help enter address word xx indicated on display: - press keys 0 and 6, this ends ...

  • Page 292

    01-284 display group number 93: activation of esp driving test the esp driving test is used to check the plausibility of the signals from sensor for transverse acceleration -g200-, sender for rotation rate -g202- and sender 1 for brake booster -g201-. The esp driving test should be performed each ti...

  • Page 293

    01-285 - confirm entry with key q. Basic setting 93 on system test activated ok indicated on display: the esp driving test is activated. Abs warning light -k47- lights up. - press key. Rapid data transfer help select function xx indicated on display: this completes the stationary comparison test. - ...

  • Page 294

    01-286 - now perform test drive for maximum 50 seconds at a speed of 15km/h...30km/h: it must be driven so that no abs, edl, asr or esp regulation is performed. Make a turn with steering wheel turned at least 90 . When the abs warning lamp -k47- and esp warning lamp -k155- go out, the esp driving te...

  • Page 295

    01-287 login procedure all functions that have so far been carried out with v.A.G 1551 can now also be carried out with the tester vas 5051. The login procedure can only be performed once per calibration. Coding is only possible after the workshop code (wsc) has been introduced into v.A.G 1551 or th...

  • Page 296: Electrical

    01-288 electrical check of mark 60 special tools and equipment v.A.G 1598/36 adapter v.A.G 1594 a adapter set v.A.G 1526 a hand multimeter v.A.G 1921 pliers v.A.G 1598 a test box Стр. 1 из 38 electrical check of mark 60

  • Page 297

    01-289 the test steps page 01-297 apply only to vehicles with abs/edl/asr/esp for vehicles on which the on board diagnostic (obd) does not give any indication of the source of the malfunction. Work through the complete electrical check. For vehicles on which the obd provides a direct indication of t...

  • Page 298

    01-290 test prerequisites switch ignition and electrical consumers off before commencing the check (headlights, lighting, fans ...). Fuses must be ok (remove fuses from fuse holder to check). Electrical wiring diagrams, troubleshooting & component locationsbinder - pull fuse holder out of cable chan...

  • Page 299

    01-291 the specified values are matched to the v.A.G 1526 and are not necessarily applicable for other test modules. - connect test box v.A.G 1598/36 -1- to multi-pin connector of abs control module (w/edl) -j104- -2-. Стр. 4 из 38 electrical check of mark 60

  • Page 300

    01-292 multi-pin connector with contact assignments note: all contacts not listed are currently not assigned and must never be connected to other components! Contact assignment of connectors for voltage supply and self-diagnosis with the v.A.G 1551 scan tool contact 4 = ground (terminal 31) contact ...

  • Page 301

    01-293 contact wiring connection to component ... 1 voltage supply from battery + 2 connector t16/7, k wire 3 longitudinal acceleration sensor -g251- sensor wire(4motion vehicles only) vacant (4motion vehicles with esp-sensor unit -g419, vehicles from 11.01) 4 voltage supply from ignition/starter sw...

  • Page 302

    01-294 contact wiring connection to component ... 13 asr/esp button -e256- 14 coding bridge to contact 38 (vehicles with abs and abs/edl/asr front wheel drive only) 15 data bus wire wiring diagrams 16 ground point on left-hand longitudinal member 17 vacant 18 sender 1 for brake booster -g201- voltag...

  • Page 303

    01-295 contact wiring connection to component ... 27 vacant 28 vacant 29 vacant data bus wire for esp-sensor unit -g419- 30 vacant 31 vacant 32 voltage supply from battery + 33 right front abs wheel speed sensor -g45- 34 right front abs wheel speed sensor -g45- 35 vacant 36 left rear abs wheel speed...

  • Page 304

    01-296 contact wiring connection to component ... 39 vacant 40 sender for rotation rate -g202- signal wire 41 brake light switch -f- 42 right rear abs wheel speed sensor -g44- 43 right rear abs wheel speed sensor -g44- 44 vacant 45 left front abs wheel speed sensor -g47- 46 left front abs wheel spee...

  • Page 305

    01-297 test step overview component to be tested voltage supply for abs hydraulic pump -v64- to abs control module (w/edl) -j104- - perform test step 1 voltage supply for valves in abs hydraulic unit -n55- to abs control module (w/edl) -j104- - perform test step 2 voltage supply (ignition/starter sw...

  • Page 306

    01-298 component to be tested voltage signal of left rear abs wheel speed sensor -g46- - perform test step 12 warning lamp function for abs warning light -k47- - perform test step 13 warning lamp function for warning light for brake system -k118- - perform test step 14 warning lamp function for esp ...

  • Page 307

    01-299 test table (test steps 1 - 16) test steps 17 - 23 see page 01-313 note on test table the socket designations of adapter v.A.G 1598/33 are identical to the abs control module (w/edl) -j104- contact designations in wiring diagram. Electrical wiring diagrams, troubleshooting & component location...

  • Page 308

    01-300 switch to measuring range: voltage measurement (20 v =) test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 1 1 + 47 voltage supply for abs hydraulic pump -v64- to abs control module (w/edl) - j104- ignition...

  • Page 309

    01-301 switch to measuring range: voltage measurement (20 v =) test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 3 4 + 47 voltage supply (ignition/starter switch) to abs control module (w/edl) -j104- ignition swi...

  • Page 310

    01-302 switch to measuring range: resistance measurement (2 k ) test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 5 33 + 34 resistance of right front abs wheel speed sensor -g45- ignition switched off 1.0 - 1.3 k...

  • Page 311

    01-303 switch to measuring range: resistance measurement (2 k ) test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 6 45 + 46 resistance of left front abs wheel speed sensor -g47- ignition switched off 1.0 - 1.3 k ...

  • Page 312

    01-304 switch to measuring range: resistance measurement (2 k ) test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 7 42 + 43 resistance of right rear abs wheel speed sensor -g44- ignition switched off 1.0 - 1.3 k ...

  • Page 313

    01-305 switch to measuring range: resistance measurement (2 k ) test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 8 37 + 36 resistance of left rear abs wheel speed sensor -g46- ignition switched off 1.0 - 1.3 k e...

  • Page 314

    01-306 switch to measuring range: voltage measurement (2 v ) test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 9 33 + 34 right front abs wheel speed sensor - g45- voltage signal vehicle raised - check installatio...

  • Page 315

    01-307 switch to measuring range: voltage measurement (2 v ) test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 11 42 + 43 right rear abs wheel speed sensor - g44- voltage signal vehicle raised - check installatio...

  • Page 316

    01-308 functional check: abs warning light -k47- test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 13 - function of abs warning light -k47- ignition switched on - switch on ignition the abs warning light -k47- li...

  • Page 317

    01-309 functional check: warning light for brake system -k118- test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 14 - function of warning light for brake system - k118- parking brake not applied brake fluid level...

  • Page 318

    01-310 functional check: esp control lamp -k155- test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 15 - function of esp control lamp - k155- ignition switched on - switch ignition on esp control lamp - k155- ligh...

  • Page 319

    01-311 functional check: warning lamp for asr/esp button -e256- test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 16 - function of asr/esp button - e256- ignition switched on the function of the esp control lamp ...

  • Page 320

    01-312 continuation of test step 16 test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification electrical wiring diagrams, troubleshooting & component locations binder - check wiring using wiring diagram asr/esp button -e...

  • Page 321

    01-313 test table (test steps 17 - 23) switch to measuring range: voltage measurement (20 v =) in test step 17, resistance measurement (200 )/(20 m ) in test step 17a test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specifica...

  • Page 322

    01-314 continuation of test step 17 test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 17 - voltage supply for steering angle sensor - g85- - ignition switched on - check wiring between contact t6a/5 and connector...

  • Page 323

    01-315 continuation of test step 17a switch to measuring range: resistance measurement (200 /20 m ) test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 17a - wiring for steering angle sensor - g85- measuring range ...

  • Page 324

    01-316 continuation of test step 17a test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 17a wiring for steering angle sensor - g85- - set measuring range to 20 m - remove fuse s9 - check wiring for short circuit t...

  • Page 325

    01-317 switch to measuring range: resistance measurement (200 /20 m ) test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 18 - wiring for sensor for transverse acceleration - g200- and sender for rotation rate - g2...

  • Page 326

    01-318 continuation of test step 18 test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification - set measuring range to 20 m - remove fuse s9 - check wiring for short circuit to positive or ground electrical wiring diagra...

  • Page 327

    01-319 switch to measuring range: resistance measurement (200 /20 m ) test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 19 - wiring for sender 1 for brake booster - g201- ignition switched off measuring range set...

  • Page 328

    01-320 continuation of test step 19 test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification - set measuring range to 20 m - remove fuse s9 - check wiring for short circuit to positive or ground electrical wiring diagra...

  • Page 329

    01-321 switch to measuring range: resistance measurement (200 /20 m ) test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 20 11 or 15 data bus wiring ignition switched off measuring set range to 200 - disconnect mu...

  • Page 330

    01-322 continuation of test step 20 test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification - set measuring range to 20 m - remove fuse s9 - check wiring for short circuit to positive or ground electrical wiring diagra...

  • Page 331

    01-323 switch to measuring range: voltage measurement (20 v =) test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 21 - voltage supply for v.A.G 1551, connector t16 1) ignition switched off - connect hand multimete...

  • Page 332

    01-324 switch to measuring range: resistance measurement 200 test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 22 - resistance of k wire for v.A.G 1551, connector t16 1) ignition switched off - disconnect multi-p...

  • Page 333

    01-325 switch to measuring range: resistance measurement (200 ) test step v.A.G 1598 sockets item tested test conditions - additional operations specification measures for deviations from specification 23 14 + 38 coding bridge for abs and abs/edl/asr front wheel drive ignition switched off 0.0 -1.0 ...

  • Page 334: Definitions

    01-326 definitions these explanations refer only to this assembly group: abs on board diagnostic (obd). These definitions are not necessarily generally valid. Abs anti-locking brake system. Further information on the abs can be found in the relevant self- study programs. Display group number read me...

  • Page 335

    01-327 ebd electronic brake pressure distribution edl electronic differential lock on board diagnostic (obd) the capability of the control module: recognize diagnostic trouble codes (dtcs) react to dtcs store dtcs and make them available in the measured value block. Further information on this can b...

  • Page 336

    01-328 esp electronic stabilization program esp-sensor unit -g419-, vehicles from 02.02 the sensor for transverse acceleration -g200-, the sender for rotation rate -g202- and the sensor for longitudinal acceleration sensor - g251- (4motion vehicles) are assembled together in a housing. No communicat...

  • Page 337

    01-329 short to positive current flows incorrectly to a live component without supplying a consumer. Brake pressure release solenoid -f84- the trip switch is installed in the brake booster and is required by the control module to recognize the braking desired by the driver. Magnetic coil for brake p...

  • Page 338

    01-330 sensor for transverse acceleration -g200- the lateral acceleration sensor is used to register the speed through curves/bends on the road and decides which side of the vehicle the esp is to brake. Sender 1 for brake booster/sensor -2- for brake pressure -g201-/-g214- recognizes the pressure ex...

  • Page 339

    01-331 infinity the resistance is infinite, open circuit. = ohm forget-malfunction counter when a fault gets in the memory fault counter, after 50 vehicle starts, and this fault is not repeated again, the memory counter erases the fault. Стр. 6 из 6 definitions.