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  5. General Information Manual

Audi A4 Cabriolet 2003 General Information Manual

Other manuals for A4 Cabriolet 2003: Repair Manual, Repair Manual

Summary of A4 Cabriolet 2003

  • Page 1

    91-1 radio system general information caution! Before beginning repairs on the electrical system: obtain anti-theft radio security code if necessary. Switch the ignition off. Disconnect battery ground (gnd) strap. On vehicles equipped with audi telematics by onstar , switch-off the emergency (back- ...

  • Page 2

    And/or owner's manual. After reconnecting vehicle battery on vehicles equipped with audi telematics by onstar , switch-on the emergency (back- up) battery for the telematic/telephone control module. Use vas 5051 vehicle diagnostic, testing and information system in mode "guided fault finding" page 9...

  • Page 3

    91-2 before troubleshooting or servicing, technicians must be familiar with the functions and operation specifics of the applicable standard or optional radio system. Always read the radio owner's manual and review all radio, tape player and cd player/changer functions. Notes: when retrofitting, rep...

  • Page 4

    All audi radio systems are encoded for the instrument cluster in the convenience coding. It is not necessary to enter the code when disconnecting and reconnecting the power supply, removing and installing the same radio or removing and installing the same instrument cluster. Contact corrosion to min...

  • Page 5

    91-3 on board diagnostic (obd) radio systems have extensive on board diagnostic (obd) capabilities. The radio unit has a diagnostic trouble code (dtc) memory. If a malfunction occurs in one of the components or wires which is monitored by the system, a record of the type of malfunction is stored in ...

  • Page 6

    Vehicle malfunctions may also occur if the vehicle speed sensor signal wire is connected to radios supplied by other manufacturers. When other radio units are installed it can have an effect on the antenna amplifier, since the original audi radio units have a remotely driven antenna (the voltage sup...

  • Page 7

    91-4 cd equipment, retrofitting the wiring set for the cd changer unit is in the vehicle during production. The connecting cable can only be used with original audi cd changers. Audi a4 sedan 2002-2004, audi a4 avant 2002-2004, audi a4 cabriolet 2003-2004 - communication.

  • Page 8

    91-5 transport mode, deactivating "symphony" radio systems are disabled (switched-off) when transport mode is activated. This is necessary when vehicles are transported over long distances or stored for longer periods of time. Audi a4 vehicles from 2002 are initially delivered to dealerships with ra...

  • Page 9

    91-6 "concert ii" and "symphony ii" radio systems (sedan), component overview 1 - cd changer unit -r41- optional in glove compartment removing and installing page 91-48 check wiring page 91-50 2 - center mid/high range loudspeaker - r158- in instrument panel removing and installing page 91-59 3 - ra...

  • Page 10

    91-7 4 - amplifier -r12- (for rear loudspeakers or bose power amplifier with "bose sound system") in right rear luggage compartment behind side trim removing and installing amplifier for rear loudspeakers page 91-63 removing and installing bose power amplifier page 91-65 5 - bass loudspeaker -r100- ...

  • Page 11

    91-8 7 - rear midrange speakers -r34- &-r35- in upper rear door trim removing and installing page 91-58 8 - rear bass speakers - r15- &-r17- in lower rear door trim removing and installing page 91-57 9 - front midrange speakers -r26- & -r27- in upper front door trim removing and installing page 91-5...

  • Page 12

    91-9 "concert ii" and "symphony ii" radio systems (avant), component overview 1 - cd changer unit -r41- optional in glove compartment removing and installing page 91-48 check wiring page 91-50 2 - center mid/high range loudspeaker - r158- in instrument panel removing and installing page 91-59 3 - ra...

  • Page 13

    91-10 4 - amplifier -r12- (for rear loudspeakers or bose power amplifier only with "bose sound system") in right rear luggage compartment behind side trim removing and installing amplifier for rear loudspeakers page 91-64 removing and installing bose power amplifier page 91-66 5 - right rear window ...

  • Page 14

    91-11 8 - left rear window antenna with am antenna and fm antenna 1 9 - left antenna module -r-108- in left rear luggage compartment behind side trim removing and installing page 91-68 10 - rear midrange speakers -r34- &-r35- in upper rear door trim removing and installing page 91-58 audi a4 sedan 2...

  • Page 15

    91-12 11 - rear bass speakers -r15- &-r17- in lower rear door trim removing and installing page 91-57 12 - front midrange speakers -r26- & -r27- in upper front door trim removing and installing page 91-55 13 - front bass speakers -r21- &-r23- in lower front door trim removing and installing page 91-...

  • Page 16

    91-13 radio systems with satellite digital audio radio service (sdars) (sedan), component overview 1 - cd changer unit -r41- optional in glove compartment removing and installing page 91-48 check wiring page 91-50 2 - center mid/high range loudspeaker - r158- in instrument panel removing and install...

  • Page 17

    91-14 4 - satellite tuner antenna -r-172- on roof also for telematics and navigation removing and installing page 91-69 5 - amplifier -r12- (for rear loudspeakers or bose power amplifier only with "bose sound system") in right rear luggage compartment behind side trim removing and installing amplifi...

  • Page 18

    91-15 7 - antenna selection control module -j515- under rear headliner trim removing and installing page 91-67 8 - satellite radio -r-146- in left rear luggage compartment behind side trim removing and installing page 91-52 9 - rear bass speakers -r-15- &-r17- in lower rear door trim removing and in...

  • Page 19

    91-16 11 - front bass speakers -r-21- &-r23- in lower front door trim removing and installing page 91-54 12 - front midrange speakers -r-26- & -r27- in upper front door trim removing and installing page 91-55 audi a4 sedan 2002-2004, audi a4 avant 2002-2004, audi a4 cabriolet 2003-2004 - communicati...

  • Page 20

    91-17 radio systems with satellite digital audio radio service (sdars) (avant), component overview 1 - cd changer unit -r41- optional in glove compartment removing and installing page 91-48 check wiring page 91-50 2 - center mid/high range loudspeaker -r- 158 in instrument panel removing and install...

  • Page 21

    91-18 4 - amplifier -r12- (for rear loudspeakers or bose power amplifier only with "bose sound system") in right rear luggage compartment behind side trim removing and installing amplifier for rear loudspeakers page 91-64 removing and installing bose power amplifier page 91-66 5 - right rear window ...

  • Page 22

    91-19 7 - satellite tuner antenna -r-172- on roof also for telematics and navigation removing and installing page 91-70 8 - rear window antenna with fm-antenna 2 9 - satellite radio -r146- in left rear luggage compartment behind side trim removing and installing page 91-53 10 - left antenna module -...

  • Page 23

    91-20 12 - rear bass speakers -r-15, -r-17 in lower rear door trim removing and installing page 91-57 13 - rear midrange speakers -r-34, -r-35 in upper rear door trim removing and installing page 91-58 14 - front bass speakers -r-21, -r-23 in lower front door trim removing and installing page 91-54 ...

  • Page 24

    91-21 radio systems, layout and terminal assignments "concert ii" and "symphony ii" radio system (sedan), layout 1 - rear window antennas 2 - antenna selection control module -j515- under rear headliner trim 3 - front bass speakers in lower front door trim 4 - front midrange speakers in upper front ...

  • Page 25

    91-22 6 - rear midrange speakers in upper rear door trim 7 - amplifier -r12- (for rear loudspeakers) in right rear luggage compartment behind side trim 8 - bass loudspeaker below rear shelf 9 - center mid/high range loudspeaker in instrument panel 10 - cd changer unit -r41- optional in glove compart...

  • Page 26

    91-23 "concert ii" and "symphony ii" radio systems (avant), layout 1 - antenna selection control module -j515- in left rear luggage compartment behind side trim 2 - left rear window antenna 3 - rear window antenna 4 - right rear window antenna 5 - front bass speakers in lower front door trim 6 - fro...

  • Page 27

    91-24 7 - rear bass speakers in lower rear door trim 8 - rear midrange speakers in upper rear door trim 9 - amplifier -r12- (for rear loudspeakers) in right rear luggage compartment behind side trim 10 - bass loudspeaker in right rear luggage compartment behind side trim 11 - center mid/high range l...

  • Page 28

    91-25 "concert ii" and "symphony ii", multi-pin connector terminal assignments note: terminals which are not listed are vacant/unassigned. Multi-pin connector i, 20-pin - black 1 - line output - left rear 2 - line output - right rear 3 - line output, ground (gnd) 4 - line output - left front 5 - lin...

  • Page 29

    17 - switched positive for cd changer 18 - ground (gnd) line output (cd changer) 19 - line output - left (cd changer) 20 - line output - right (cd changer) audi a4 sedan 2002-2004, audi a4 avant 2002-2004, audi a4 cabriolet 2003-2004 - communication.

  • Page 30

    91-26 multi-pin connector ii, 8-pin, brown 3 - loudspeaker +, right front 4 - loudspeaker -, right front 5 - loudspeaker + left front 6 - loudspeaker - left front multi-pin connector iii, 8-pin, black 2 - anti-theft signal 3 - data link connector (dlc) 7 - supply voltage b+ (terminal 30) 8 - ground ...

  • Page 31

    91-27 multi-pin connector iv, 10-pin, red 1 - telephone mute (low frequency mute) 3 - telephone (low frequency +) (not on vehicles with navigation system) 4 - telephone (low frequency -) (not on vehicles with navigation system) 5 - navigation system (low frequency+) 6 - navigation system (low freque...

  • Page 32

    91-28 "concert ii" and "symphony ii" radio systems with "bose sound system" (sedan), layout 1 - rear window antennas 2 - antenna selection control module -j515- under rear headliner trim 3 - bose power amplifier in right rear luggage compartment behind side trim 4 - front bass speakers in lower fron...

  • Page 33

    91-29 6 - rear bass speakers in lower rear door trim 7 - rear midrange speakers in upper rear door trim 8 - bass loudspeaker below rear shelf 9 - center mid/high range loudspeaker in instrument panel 10 - cd changer unit -r41- optional in glove compartment audi a4 sedan 2002-2004, audi a4 avant 2002...

  • Page 34

    91-30 "concert ii" and "symphony ii" radio systems with "bose sound system" (avant), layout 1 - left antenna module in left rear luggage compartment behind side trim 2 - left rear window antenna 3 - rear window antenna 4 - right rear window antenna 5 - bose power amplifier in right rear luggage comp...

  • Page 35

    91-31 7 - front midrange speakers in upper front door trim 8 - rear bass speakers in lower rear door trim 9 - rear midrange speakers in upper rear door trim 10 - bass loudspeaker below rear shelf 11 - center mid/high range loudspeaker in instrument panel 12 - cd changer unit -r41- optional in glove ...

  • Page 36

    91-32 "concert ii" and "symphony ii" radio systems with "bose sound system", multi-pin connector terminal assignments note: terminals which are not listed are vacant/unassigned. Multi-pin connector i, 20-pin - black 1 - line output - left rear 2 - line output - right rear 3 - line output, ground (gn...

  • Page 37

    17 - switched positive for cd changer 18 - ground (gnd) line output (cd changer) 19 - line output - left (cd changer) 20 - line output - right (cd changer) audi a4 sedan 2002-2004, audi a4 avant 2002-2004, audi a4 cabriolet 2003-2004 - communication.

  • Page 38

    91-33 multi-pin connector iii, 8-pin, black 1 - bose coding (ground (gnd)) 2 - anti-theft signal 3 - data link connector (dlc) 7 - supply voltage (terminal 30) 8 - ground (gnd) (terminal 31) multi-pin connector iv, 10-pin, red 1 - telephone mute (low frequency mute) 3 - telephone (low frequency+) (n...

  • Page 39

    91-34 bose amplifier, multi-pin connector assignments multi-pin connector, 25-pin 1 - center mid/high range loudspeaker (+) 2 - center mid/high range loudspeaker (-) 6 - line output - ground (gnd) (from radio) 7 - line output - right rear (from radio) 8 - line output - left rear (from radio) 9 - lin...

  • Page 40

    21 - loudspeaker (-) left rear 22 - loudspeaker (+) right rear 23 - loudspeaker (-) right rear 25 - switched positive audi a4 sedan 2002-2004, audi a4 avant 2002-2004, audi a4 cabriolet 2003-2004 - communication.

  • Page 41

    91-35 multi-pin connector, 32-pin 1 - battery b+ (terminal 30) 2 - ground (gnd) (terminal 31) 3 - bass loudspeaker (+) 4 - loudspeaker (-) left rear 5 - loudspeaker (+) right rear 6 - switched positive (from radio) 7 - line output - ground (gnd) (from radio) 13 - center mid/high range loudspeaker (+...

  • Page 42

    29 - microphone (+) not connected 30 - microphone (-) not connected 31 - loudspeaker (+) left front 32 - loudspeaker (-) left front audi a4 sedan 2002-2004, audi a4 avant 2002-2004, audi a4 cabriolet 2003-2004 - communication.

  • Page 43

    91-36 radio system sdars with bose sound system (sedan), layout 1 - rear window antennas 2 - antenna selection control module -j515- under rear headliner trim 3 - radio 4 - bose power amplifier in right rear luggage compartment behind side trim 5 - front midrange speakers in upper front door trim 6 ...

  • Page 44

    91-37 7 - rear midrange speakers in upper rear door trim 8 - rear bass speakers in lower rear door trim 9 - bass loudspeaker under rear parcel shelf 10 - center mid/high range loudspeaker in instrument panel 11 - cd changer unit in glove compartment 12 - satellite radio in left rear luggage compartm...

  • Page 45

    91-38 radio system sdars with bose sound system (avant), layout 1 - left antenna module in left rear luggage compartment behind trim 2 - left rear window antenna 3 - rear window antenna 4 - right rear window antenna 5 - radio 6 - bose power amplifier in right rear luggage compartment behind trim 7 -...

  • Page 46

    91-39 9 - rear midrange speakers in upper rear door trim 10 - rear bass speakers in lower rear door trim 11 - bass loudspeaker under rear parcel shelf 12 - center mid/high range loudspeaker in instrument panel 13 - cd changer unit in glove compartment 14 - satellite radio in left rear luggage compar...

  • Page 47

    91-40 communication system with sdars, layout 1 - satellite radio in left rear luggage compartment 2 - satellite tuner antenna on roof 3 - antenna splitter (gps) only avant in left rear luggage compartment behind trim 4 - antenna for navigation (gps) only sedan behind roof end trim 5 - control modul...

  • Page 48

    91-41 6 - radio system antenna 7 - antenna amplifier 8 - speakers 9 - radio 10 - can bus (infotainment) 11 - cd changer unit in glove compartment 12 - telephone/telematics control module under front passenger seat audi a4 sedan 2002-2004, audi a4 avant 2002-2004, audi a4 cabriolet 2003-2004 - commun...

  • Page 49

    91-42 multi-pin connector assignments on "symphony ii" radio 1 - multi-pin connector iv, 10-pin, red 2 - multi-pin connector i, 20-pin - black 3 - radio fuse 4 - multi-pin connector iii, 8-pin, black 5 - multi-pin connector ii, 8-pin, brown 6 - intermediate frequency wire 7 - antenna connection (hig...

  • Page 50

    91-43 multi-pin connector assignments on satellite radio -r146- note: terminals which are not listed are vacant/unassigned. A - multi-pin connector, 8-pin b - multi-pin connector, 8-pin c - connection - satellite tuner antenna (brown) 1 - can-bus high (infotainment) 2 - can-bus low (infotainment) 3 ...

  • Page 51

    D - connection - satellite tuner antenna (green) audi a4 sedan 2002-2004, audi a4 avant 2002-2004, audi a4 cabriolet 2003-2004 - communication.

  • Page 52

    91-44 "concert ii" radio unit, removing and installing special tools and workshop equipment required removing radio release tool t10057 - push clips of radio release tool t10057 into front of radio. Top l - top left top r - top right audi a4 sedan 2002-2004, audi a4 avant 2002-2004, audi a4 cabriole...

  • Page 53

    91-45 - pull radio out from instrument panel. - disconnect electrical connections and antenna wire. - pull out release tool from the radio - to do this, press in locking tabs on radio. Installing - reconnect electrical connections and antenna wire. - carefully insert radio into instrument panel and ...

  • Page 54

    91-46 "symphony ii" radio unit, removing and installing special tools and workshop equipment required removing radio release tool t10057 - push the four clips of radio release tool t10057 into the front. Top l - top left top r - top right audi a4 sedan 2002-2004, audi a4 avant 2002-2004, audi a4 cab...

  • Page 55

    91-47 - pull radio out from instrument panel. - disconnect electrical connections and antenna wire. - pull out release tool from the radio - to do this, press in the locking tabs at top and bottom on radio. Installing - reconnect electrical connections and antenna wire. - carefully insert radio into...

  • Page 56

    91-48 cd changer unit -r41-, removing and installing special tools and workshop equipment required removing radio release tool t10057 - open glove compartment. - push clips of radio release tool t10057 into front of cd changer as illustrated. Audi a4 sedan 2002-2004, audi a4 avant 2002-2004, audi a4...

  • Page 57

    91-49 - pull cd changer out of installation slot. - disconnect electrical connection. - pull out release tool from cd changer - to do this, press in locking tabs on cd changer. Installing - reconnect electrical connection. - slide cd changer into installation slot until it engages. - after installat...

  • Page 58

    91-50 checking wiring between radio and cd changer - switch off radio. "concert ii" radio: - press cd button on radio and switch radio on at the same time. "symphony ii" radio: - press button "4" on radio and switch radio on at the same time, keeping the on button pressed in. All models: 1. Wiring o...

  • Page 59

    91-51 2. Wiring not ok indicated on radio display: "no cdc" - check electrical connections at cd changer. - repeat wiring test and, if the wiring is not ok, use wiring diagrams to check wiring. Electrical wiring diagrams audi a4 sedan 2002-2004, audi a4 avant 2002-2004, audi a4 cabriolet 2003-2004 -...

  • Page 60

    91-52 satellite radio -r146-, removing and installing (sedan) removing - remove sub compartment in luggage compartment, left repair manual, body interior, repair group 70 satellite radio -1- slides/locks into adapter plate -2- mounted to rear of sub compartment -3-. Adapter plate does not need to be...

  • Page 61

    91-53 satellite radio -r146-, removing and installing (avant) removing - remove sub compartment in luggage compartment, left repair manual, body interior, repair group 70 satellite radio -1- slides/locks into adapter plate -2- mounted to rear of sub compartment -3-. Adapter plate does not need to be...

  • Page 62

    91-54 loudspeakers in doors, removing and installing front midrange speakers -r26- & -r27-, removing and installing page 91-55 rear bass speakers -r15- & -r17-, removing and installing page 91-57 rear midrange speakers -r34 & -r35-, removing and installing page 91-58 front bass speakers -r21 & -r23-...

  • Page 63

    - install in reverse order of removal. - hook retaining lugs on loudspeaker into installation opening. - tighten bolts on loudspeaker to 2 nm. Audi a4 sedan 2002-2004, audi a4 avant 2002-2004, audi a4 cabriolet 2003-2004 - communication.

  • Page 64

    91-55 front midrange speakers -r26- & -r27-, removing and installing special tools and workshop equipment required removing hook 3370 for front end - pull loudspeaker cover -1- at the top of the door trim upward and off using special tool 3370 (arrow). Audi a4 sedan 2002-2004, audi a4 avant 2002-200...

  • Page 65

    91-56 installing - disconnect electrical connection -2-. - release clasps -arrows- and remove loudspeaker -1-. - install in reverse order of removal. Audi a4 sedan 2002-2004, audi a4 avant 2002-2004, audi a4 cabriolet 2003-2004 - communication.

  • Page 66

    91-57 rear bass speakers -r15- & -r17-, removing and installing removing - remove rear door trim. Repair manual, body interior, repair group 70 installing - disconnect electrical connections -2- and -3-. - remove bolts -4- on loudspeaker -5- and remove loudspeaker. 1 - expanding nut - install in rev...

  • Page 67

    91-58 rear midrange speakers -r34 & -r35-, removing and installing removing - remove rear door trim. Repair manual, body interior, repair group 70 installing - disconnect electrical connection -1-. - release clasps -arrows- and remove loudspeaker -2-. - install in reverse order of removal. Audi a4 s...

  • Page 68

    91-59 center mid/high range loudspeaker - r158-, removing removing - carefully pry off the cover -a- for sunlight photo sensor. - remove screw -b-. - disconnect electrical connection. - remove screw -1-. - detach defroster vent. Audi a4 sedan 2002-2004, audi a4 avant 2002-2004, audi a4 cabriolet 200...

  • Page 69

    91-60 installing - remove bolts -1-. - swivel out loudspeaker and disconnect electrical connection. - install in reverse order of removal. - tighten bolts on loudspeaker to 2 nm. - tighten bolts for the defroster vent and photosensor to 0.8 nm. Audi a4 sedan 2002-2004, audi a4 avant 2002-2004, audi ...

  • Page 70

    91-61 bass loudspeaker -r100- (sedan), removing and installing removing - remove rear shelf. Repair manual, body interior, repair group 70 installing - working from the rear shelf, unscrew and remove two bolts -4-. - working from the luggage compartment, unscrew and remove single bolt -2-. - disconn...

  • Page 71

    91-62 bass loudspeaker -r100- (avant), removing and installing removing - open cover in side trim on right rear side of luggage compartment. Installing - disconnect electrical connections -1- and -2-. - unscrew bolts -arrows-. - remove bass loudspeaker -3- together with amplifier -4-. - install in r...

  • Page 72

    91-63 amplifier -r12- for rear loudspeakers (sedan), removing and installing removing - remove right luggage compartment trim. Repair manual, body interior, repair group 70 installing - disconnect electrical connection -2-. - unscrew connections and remove amplifier -1-. - install in reverse order o...

  • Page 73

    91-64 amplifier -r12- for rear loudspeakers (avant), removing and installing removing - open cover in side trim on right rear side of luggage compartment. Installing - disconnect electrical connection -1-. - unscrew connections -arrows- and remove amplifier -2-. - install in reverse order of removal...

  • Page 74

    91-65 amplifier -r12- bose power amplifier (sedan), removing and installing removing - remove right luggage compartment trim. Repair manual, body interior, repair group 70 installing - disconnect electrical connection -2-. - unscrew connections and remove amplifier -1-. - install in reverse order of...

  • Page 75

    91-66 amplifier -r12- bose power amplifier (avant), removing and installing removing - open cover in side trim on right side of luggage compartment. Installing - disconnect electrical connection -1-. - unscrew bolts -arrows- and remove amplifier -2-. - install in reverse order of removal. Audi a4 se...

  • Page 76

    91-67 antenna selection control module - j515- (sedan), removing and installing removing - remove rear headliner trim. Repair manual, body interior, repair group 70 note: illustration shows antenna selection control module on vehicle without radio remote control for auxiliary heater. Installing - di...

  • Page 77

    91-68 left antenna module -r108- (avant), removing and installing - remove side trim on left-hand luggage compartment storage. Repair manual, body interior, repair group 70 - disconnect electrical connections. Installing - remove bolts -arrows- and remove control module -1-. - install in reverse ord...

  • Page 78

    91-69 satellite tuner antenna -r172- (sedan), removing and installing removing - remove rear headliner trim repair manual, body interior, repair group 70 - remove left and right d-pillar trim repair manual, body interior, repair group 70 - remove rear interior lamps repair manual, electrical equipme...

  • Page 79

    Installing - remove nut -arrow- (7 nm). - remove antenna upwards from roof. - install in reverse order of removal. Audi a4 sedan 2002-2004, audi a4 avant 2002-2004, audi a4 cabriolet 2003-2004 - communication.

  • Page 80

    91-70 satellite tuner antenna -r172- (avant), removing and installing cables for roof antennas are routed differently. Gps antenna and satellite tuner antenna cables are routed to modules located on sub compartment in left rear luggage compartment. The telematic antenna is connected at the right d-p...

  • Page 81

    Repair manual, body interior, repair group 70 audi a4 sedan 2002-2004, audi a4 avant 2002-2004, audi a4 cabriolet 2003-2004 - communication.

  • Page 82

    91-71 - partially pull down rear headliner enough to access connections. - disconnect antenna cable connections at right d-pillar and at modules on sub compartment. - loosen antenna cables up to antenna. Installing - remove nut -arrow- (7 nm). - remove antenna upwards from roof. - install in reverse...