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Volkswagen 2004 Golf Service Training

Summary of 2004 Golf

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    The golf 2004 electrical system design and function self-study programme 319 service training.

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    2 new important note this self-study programme shows the design and function of new developments! The contents will not be updated. For the latest testing, setting and repair instructions, please refer to the relevant workshop literature. S319_063 the most striking change compared with the previous ...

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    3 contents introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 lin data bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 onboard power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 tyre pressure monitor . . . . . ...

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    4 introduction fitting locations the onboard electrical system of the golf 2004 is similar to that of the touran. Golf 2004 and touran vehicles are based on the same platform. The onboard electrical system of the golf 2004 is of the decentral design. Distribution of the fuse boxes and relay sockets ...

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    5 fuse box, on left in dash panel s319_001 relay carrier of onboard power supply control unit on left under dash panel relay carrier, on left beneath dash panel, above onboard power supply control unit.

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    6 the networking concept overview of networked control units in order that data can be transferred without conflict or interference between the individual control units, these are connected together in a network via various data bus systems. The data bus diagnostic interface j533 (gateway) provides ...

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    7 key d ignition/starter switch e221 operating unit in steering wheel g85 steering angle sender g273 interior monitoring sensor g384 vehicle inclination sender g397 rain and light detector sensor g419 esp sensor unit h8 anti-theft alarm system horn j104 abs with edl control unit j136 seat and steeri...

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    8 control units and fitting locations the adjacent illustration shows the control units of the drivetrain can data bus and associated fitting locations. The data is transferred at a rate of 500 kbit/s. Transfer is made via the orange/black can high wire and orange/brown can low wire. To guarantee da...

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    9 s319_002 headlight range control, control unit j431, on right of glove compartment data bus diagnostic interface j533, beneath dash panel, above accelerator pedal automatic gearbox control unit j217, on left in wheel housing steering column electronics control unit j527, beneath steering column sw...

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    10 control units and fitting locations the adjacent illustration shows the control units of the convenience can data bus and associated fitting locations. The speed of data transfer is 100 kbit/s. The data is transferred via the orange/green can high wire and orange/brown can low wire. To guarantee ...

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    11 s319_004 data bus diagnostic interface j533, beneath dash panel, above accelerator pedal onboard supply control unit j519, under dash panel on relay carrier door control units j386, j387, j388, j389, installed in doors trailer detection control unit j345, in rear right side panel parking aid cont...

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    12 control units and fitting locations the adjacent illustration shows the control units of the infotainment can data bus and associated fitting locations. The infotainment can data bus transfers data at a rate of 100 kbit/s. The can high wire is orange/purple and the can low wire is orange/brown. T...

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    13 s319_005 control unit with display for radio and navigation j503 or radio r, in centre console cd changer r41, in centre console, beneath front armrest.

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    14 dash panel insert can data bus information is exchanged via the dash panel insert can data bus between the dash panel insert control unit and the data bus diagnostic interface. These are the only control units in this data bus system. Diagnosis can data bus the transfer of data between the diagno...

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    15 s319_006 data bus diagnostic interface j533, beneath dash panel, above accelerator pedal 16-pin connector, diagnosis interface t16, on left beneath dash panel.

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    16 j400 g273 g384 h8 j519 g397 j527 e221 j393 local interconnect network (lin) defines a local system in which all associated components within a specific area are located. ● the local sub-system is a cost effective version of can data bus. ● the defined consumer interface makes simple exchange of t...

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    17 master control unit the control unit connected to the can data bus takes on the master functions of the lin data bus system. Tasks ● conversion of local data bus messages to data format of can data bus ● monitoring of data bus conversion and rate of data transfer ● control of data transfer cycle ...

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    18 housed in the electrics box are the fuses for components of the engine compartment and the interior. The connection between electrics box and battery is very short (approx. 500 mm), which enables use of the battery as a high frequency filter between the consumers mounted directly on the box. Due ...

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    19 the electrics box and pre-fuse box are located in a housing in the engine compartment. Electrics box in addition to the fuses, the following relays can also be found in the electrics box: ● terminal 15 voltage supply relay j329 ● terminal 30 voltage supply relay j317 ● terminal 50 voltage supply ...

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    20 fitting location on the left under the dash panel is a relay carrier and the onboard supply control unit. Relay carrier additional relays may be included on the relay carrier depending on the equipment level. On vehicles with electric seat adjustment, the automatic safety device (thermal safety) ...

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    21 fitting location the fuse box can be found on the left of the dash panel behind a cover. Fuses included in the fuse box are fuses for the electrical components in the vehicle. S319_013 the fuse box please refer to the electronic service information system (elsa) for current assignment details of ...

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    22 due to the vast range of functions in the vehicle, large amounts of data must be transferred. To guarantee optimal exchange of data, several data bus systems are required. The function previously integrated in the dash panel insert or onboard supply control unit is now assumed by the separate dat...

  • Page 23

    23 transport mode for transportation of the vehicles to the dealerships, power consumption should be kept to a minimum to protect the battery from possible discharge. To do this, the following systems are isolated when transport mode is activated: ● radio ● radio remote control ● interior monitoring...

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    24 onboard supply control unit relay carrier on onboard supply control unit s307_017 fitting location the onboard supply control unit can be found on the left underneath the dash panel where it forms a unit with the relay carrier. Versions the onboard supply control unit is available in two versions...

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    25 - exterior light control with bulb monitoring in the event of bulb failure, the relevant warning lamp will ligh up or a text message is displayed in the dash panel insert. - convenience light: coming home leaving home dimmable instrument backlights - coulisse lighting - windscreen wipers conveyan...

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    26 main headlights the twin headlights with dipped and main beam reflectors are equipped with h7 bulbs on the medium version. To improve visibility for other road users, the turn signals are located linearly beneath the dipped and main beam lights, i.E. A well balanced distribution of light can be o...

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    27 tail lights installed for the first time in the golf 2004 are the split rear lights with round elements, which are comprised of several elements. The light unit integrated in the side panel is responsible for the tail, brake and turn signal light functions. Installed in the tailgate is a fog ligh...

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    28 coming home when occupants alight from the vehicle and close the doors, including the tailgate, the vehicle surround lighting is activated for a short period. Leaving home after the vehicle has been unlocked using the radio remote control, the area around the vehicle is lit up for a brief period....

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    29 the following lights are switched on by the coming home and leaving home function: ● front side lights ● dipped beam headlights ● tail lights ● number plate light s319_070 s319_003 activation or deactivation of the coming home and leaving home function and the lighting period are set in the dash ...

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    30 onboard power supply the windscreen wiper system wiper actuation the wiper system comprises of a single motor with mechanical connection between the wiper arms. The switch positions of wiper switch e are sent directly to the steering column electronics control unit j527 and then via the convenien...

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    31 d f266 j533 j527 j519 e j104 g397 j400 overview of wiper system s319_016 key d ignition/starter switch e windscreen wiper switch f266 bonnet contact switch g397 rain and light detector sensor j104 abs with edl control unit j400 wiper motor control unit j519 onboard supply control unit j527 steeri...

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    32 if, within 10 seconds of switching off the ignition, the windscreen wiper switch is switched to the tip wiping position, the wipers will move to the upper end position of the wiped arc. When the wiper arms are in the service/winter position, the wiper blades can be renewed without restriction or ...

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    33 - easy removal/assembly - improved longevity - improved anti-crimp and frost protection - corrugated-type tubes included in the new features of the new golf 2004 is also the quick lock system for the windscreen washer system. With this system, the windscreen washer hoses are replaced with corruga...

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    34 the control unit with display in the dash panel insert receives its information via the data bus diagnostic interface j533 and the dash panel insert can data bus. Further external sensor signals are sent to the dash panel insert via separate wiring: ● f1 oil pressure switch ● f34 front left brake...

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    35 immobiliser iv the immobiliser control unit j362 is integrated in the dash panel insert control unit. With the ignition switched on, it enables or disables vehicle-specific functions. The control unit can only be adapted using the "guided fault finding" function in the diagnosis tester vas 5051. ...

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    36 the dash panel insert of the diesel engine symbol control lamp lowline midline highline warning message or warning airbag x x x airbag fault! Airbag belt tensioner deactivated! Anti-lock braking system (abs) x x x abs brake pad wear indicator (bwi) x x pictogram check brake lining! 1 x audible wa...

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    37 symbol warning lamp lowline midline highline warning message or warning left turn signal x x x acoustic check right turn signal x x x acoustic check main beam headlights x x x cruise control system (ccs) x x x bulb blown / driving light defective x x x e.G. Front right dipped beam light defective...

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    38 fitting location the convenience system central control unit can be found beneath the dash panel, on the right behind the glove compartment. Tasks ● control of central locking function ● actuation of rear doors ● actuation of tank flap release ● actuation of tailgate lock release ● actuation of a...

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    39 fitting location the trailer detection control unit can be found on the left behind the luggage compartment trim in the side panel. Task the trailer detection control unit has the task of detecting whether a trailer is connected, it controls the trailer lights and also checks the function of the ...

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    40 j285 j533 j104 the tyre pressure monitoring system is a software module in the abs control unit, which detects slow and gradual loss of air from the tyres. From current abs and esp data (wheel speed, current vehicle status), it filters out fine changes and compares the information with reference ...

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    41 calibration since the tyre characteristics can change, a calibration procedure must be performed each time the tyre pressure is altered, or when a wheel is changed, to allow new reference data to be calculated. Calibration procedure to start the calibration procedure, the tyre pressure monitor di...

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    42 in the golf 2004, electrically folding exterior mirrors are available as an option. Operation of the mirrors is via a mirror setting switch in the driver's door. If the switch is turned to the "fold in" position, the exterior mirrors will fold in automatically. If the exterior mirrors are in the ...

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    43 for the telephone system in the golf 2004, a nokia 6310i is offered as an option. Equipment ● nokia 6310i ● telephone interface ● telephone mounting ● buttons for information and breakdown assistance ● microphone installed in bulb module ● dual band "shark-fin" roof aerial gsm 900/1800) additiona...

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    44 j527 j285 j533 j519 j393 j364 the user based settings for different unit functions in the convenience and infotainment system are made via an operating unit and a display. Operation is via control levers on the steering column switch and selection is made from the menu via the display in the dash...

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    45 example of menu guide light & vision coming home leaving home footwell light convenience signalling wipers factory default convenience signalling off on off back convenience signalling on on off back convenience signalling off on off back convenience signalling on on off back convenience signalli...

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    46 radio r 100 the r100 radio is available to key account holders, e.G. Fleet operators. It is a radio system with the following functions: - two loudspeaker channels (front only, each 20 w) - rds fm/am europe radio (am without lw) - without integrated disc drive - controls for external 6 disc cd ch...

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    47 radio rcd 500 the top radio in the 2004 golf is the rcd 500 with the following functions: - four loudspeaker channels (each 20 w) - rds fm/am europe radio (am without lw) - display of stored stations with rds names - fm 2 diversity tuner - operation via multi-function steering wheel and multi-fun...

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    48 + - the aerials in the golf 2004, various aerial systems are installed depending on the equipment level. No provision has been made to allow retrofitting of a rear window aerial. Radio r 100 the aerial system for the r 100 radio consists of a rear window aerial and a radio connection. Radio rcd 3...

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    49 + - mfd 2 radio navigation system the mfd 2 radio navigation system does not feature an internal diversity tuner. It has an external tuner, to which two rear window aerials are connected. On the mfd 2 radio navigation system, a shark-fin type roof aerial is installed. For reasons of safety, a spe...

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    50 j412 j503 r j285 j527 j533 r54 r66 15 30 e221 system overview data is exchanged between the multi-function steering wheel and the steering column switch module via a lin data bus. Communication of the signals from the steering column electronics control unit to the data bus diagnostic interface i...

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    51 multi-function buttons button illumination is controlled by terminal 58d. There is only one symbol code, which communicates information from the button via the steering column switch module to the can data bus. For this reason, button functions can only be carried out individually. If no telephon...

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    52 by the use of printed circuit wires, an increase in headroom has been achieved. Routing between the headliner and roof is uncomplicated due to the fact that the printed circuit wiring can be attached to the headliner. This means that additional cable clips in the roof area are no longer required....

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    53 in the golf 2004, a special guard is installed for the first time to protect the engine control unit. The tuning guard prevents engine control unit data from being accessed by unauthorised persons. Any attempt to alter the permanently stored data will be detected by the engine control unit. If an...

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    54 rear wiper renewal to remove the rear wiper blade from the wiper arm, the mounting must be moved to the right in the direction of the arrow. After the wiper blade has been released, the wiper arm must be lifted away from the rear window to allow the wiper blade to be removed from the mounting. Se...

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    55.

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    56 1. Where can the data bus diagnostic interface j533 be found? A) on the right beneath the dash panel, behind the glove compartment b) in the dash panel insert c) beneath the dash panel, above the accelerator pedal 2. What are the advantages of the powerless semi-conductor rotary light switch? A) ...

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    57 4. Which control units are responsible for tyre pressure monitoring? A) control unit in dash panel insert j285, data bus diagnostic interface j534 and abs with edl control unit j104 b) abs with edl control unit, data bus diagnostic interface, dash panel insert control unit and tyre pressure monit...

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    58 test yourself answ ers : 1. C 2. C, d 3. A4 . C 5. B, c, d.

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    For internal use only © ag, wolfsburg vk 36, service training all rights and the right to make technical alterations reserved 000.2811.40.20 technical status 10/03 ❀ this paper was manufactured from pulp that was bleached without the use of chlorine. 319.