Wiring Diagram AUDI A4 CABRIOLET 2003 - Navigation operating electronics control unit - voltage supply
D | Ignition/starter switch |
J402 | Operating electronics control unit, navigation |
S239 | Fuse in fuse box |
T8 | 8-pin connector, black, radio connector III |
T26 | 26-pin connector, black, on operating electronics control unit, navigation |
346 | Earth connection (audio), in dash panel wiring harness |
501 | Screw connection -2- (30), on relay plate |
610 | Earth point (audio), front below centre console |
A2 | Positive (+) connection (15), in dash panel wiring harness |
A21 | Connection (86s), in dash panel wiring harness |
A32 | Positive (+) connection (30), in dash panel wiring harness |
A46 | Positive (+) connection (30 - from radio), in dash panel wiring harness |
A57 | Positive (+) connection -3- (30), in dash panel wiring harness |
Wiring Diagram AUDI A4 CABRIOLET 2003 - Navigation operating electronics control unit - muting
F4 | Reversing light switch |
J393 | Convenience system central control unit |
J402 | Operating electronics control unit, navigation |
T8 | 8-pin connector, black, radio connector III |
T17d | 17-pin connector, red, connector point, electronics box, plenum chamber |
T20d | 20-pin connector, black, radio connector I |
T26 | 26-pin connector, black, on operating electronics control unit, navigation |
A87 | Connection (RF (reversing light)), in dash panel wiring harness |
A129 | Connection (muting), in dash panel wiring harness |
V49 | Connection (low frequency, NF +), in communication wiring harness |
V50 | Connection (low frequency, NF -), in communication wiring harness |
* | See applicable Current Flow Diagram: Telephone |
Wiring Diagram AUDI A4 CABRIOLET 2003 - Navigation operating electronics control unit - amplifier - bass loudspeakers
J402 | Operating electronics control unit, navigation |
R12 | Amplifier |
R21 | Bass loudspeaker, front left |
R23 | Bass loudspeaker, front right |
T20 | 20-pin connector, black, door, A pillar, left |
T20a | 20-pin connector, black, door, A pillar, right |
T20d | 20-pin connector, black, radio connector I |
133 | Earth connection, in loudspeaker wiring harness |
346 | Earth connection (audio), in dash panel wiring harness |
B465 | Connection -1-, in main wiring harness |
B466 | Connection -2-, in main wiring harness |
Wiring Diagram AUDI A4 CABRIOLET 2003 - Navigation operating electronics control unit - amplifier - front loudspeakers
J402 | Operating electronics control unit, navigation |
R12 | Amplifier |
R20 | Treble loudspeaker, front left |
R22 | Treble loudspeaker, front right |
R70 | Internal loudspeaker (centre loudspeaker) |
R103 | Mid-range loudspeaker, front left |
R104 | Mid-range loudspeaker, front right |
T20 | 20-pin connector, black, door, A pillar, left |
T20a | 20-pin connector, black, door, A pillar, right |
B189 | Connection (positive (+), loudspeaker, front right), in interior wiring harness |
B190 | Connection (negative (-), loudspeaker, front right), in interior wiring harness |
B191 | Connection (positive (+), loudspeaker, front left), in interior wiring harness |
B192 | Connection (negative (-), loudspeaker, front left), in interior wiring harness |
Wiring Diagram AUDI A4 CABRIOLET 2003 - Navigation operating electronics control unit - amplifier - rear loudspeakers
J402 | Operating electronics control unit, navigation |
R4 | Loudspeaker, rear left |
R5 | Loudspeaker, rear right |
R12 | Amplifier |
Wiring Diagram AUDI A4 CABRIOLET 2003 - Navigation operating electronics control unit - CD changer
J402 | Operating electronics control unit, navigation |
R41 | CD changer |
T20d | 20-pin connector, black, radio connector I |
309 | Earth connection -1-, screening, in CD changer wiring harness |
310 | Earth connection -2-, screening, in CD changer wiring harness |
V14 | Connection (screening), in CD changer wiring harness |
Wiring Diagram AUDI A4 CABRIOLET 2003 - Navigation operating electronics control unit - navigation/TV tuner
J402 | Operating electronics control unit, navigation |
J415 | Navigation/TV tuner |
T11 | 11-pin connector, on navigation/TV tuner |
T54 | 54-pin connector, black, on navigation/TV tuner |
Wiring Diagram AUDI A4 CABRIOLET 2003 - Navigation operating electronics control unit - left and right aerial module - navigation interface - navigation/TV tuner
J402 | Operating electronics control unit, navigation |
J415 | Navigation/TV tuner |
R1 | Aerial connection |
R94 | Navigation interface |
R108 | Aerial module, left |
R109 | Aerial module, right |
T26 | 26-pin connector, black, on operating electronics control unit, navigation |
T54 | 54-pin connector, black, on navigation/TV tuner |
346 | Earth connection (audio), in dash panel wiring harness |
A148 | Connection (navigation CAN bus, high), in dash panel wiring harness |
A149 | Connection (navigation CAN bus, low), in dash panel wiring harness |
Wiring Diagram AUDI A4 CABRIOLET 2003 - Navigation operating electronics control unit - navigation interface - navigation aerial (GPS)
J104 | ABS with EDL control unit |
J402 | Operating electronics control unit, navigation |
J415 | Navigation/TV tuner |
R50 | Navigation aerial (GPS) |
R94 | Navigation interface |
T8 | 8-pin connector, black, radio connector III |
T16 | 16-pin connector, black, diagnostic connector |
T17 | 17-pin connector, black, connector point, A pillar, left |
T17b | 17-pin connector, green, connector point, A pillar, left |
T26 | 26-pin connector, black, on operating electronics control unit, navigation |
T54 | 54-pin connector, black, on navigation/TV tuner |
A27 | Connection (speed signal), in dash panel wiring harness |
A127 | Connection (rear left speed sensor), in dash panel wiring harness |
A159 | Connection (L), in dash panel wiring harness |
* | As of July 2002 no longer fitted |
** | From July 2002 onwards |
*** | See applicable Current Flow Diagram: ABS |
Wiring Diagram AUDI A4 CABRIOLET 2003 - Control unit with display in dash panel insert
J285 | Control unit with display in dash panel insert |
J402 | Operating electronics control unit, navigation |
R94 | Navigation interface |
T8 | 8-pin connector, black, radio connector III |
T32 | 32-pin connector, blue, on dash panel insert |
T32a | 32-pin connector, green, on dash panel insert |
346 | Earth connection (audio), in dash panel wiring harness |
A175 | Connection (58s), in dash panel wiring harness |
A178 | Connection (infotainment CAN bus, high), in dash panel wiring harness |
A179 | Connection (infotainment CAN bus, low), in dash panel wiring harness |
* | As of July 2002 no longer fitted |
AUDI A4 CABRIOLET 2003 Control units overview
1 - | Heated windscreen control unit -J505- |
q | Location → page 804/4 |
2 - | CD changer -R41- |
q | Location → page 804/12 |
3 - | Fresh air blower control unit -J126- |
q | Location → page 804/7 |
4 - | Headlight range control, control unit -J431- |
q | Location → page 804/7 |
5 - | Radio -R- |
q | not for navigation system |
q | Location → page 804/10 |
5 - | Navigation operating electronics control unit -J402- |
q | for navigation system RNS-D only |
q | Location → page 804/10 |
5 - | Control unit with display for radio and navigation system -J503- |
q | for navigation system RNS-Low only |
q | Location → page 804/12 |
Audi Cabriolet | Fitting Locations | No. 804 / 2 |
5 - | Navigation system with CD drive control unit -J401- |
q | Location for navigation system NS-Low → page 804/11 |
q | Location for navigation system RNS-E → page 804/11 |
6 - | Front passenger side door control unit -J387- |
q | Location → page 804/14 |
7 - | Steering column electronics control unit -J527- |
q | Location → page 804/8 |
8 - | Control unit in dash panel insert -J285- |
q | Location → page 804/8 |
9 - | Telephone and telematics control unit, telematics -J526- |
q | Location → page 804/13 |
10 - | Airbag control unit -J234- |
q | Location → page 804/9 |
11 - | Driver door control unit -J386- |
q | Location → page 804/14 |
12 - | Convenience system central control unit -J393- |
q | Location → page 804/13 |
Audi Cabriolet | Fitting Locations | No. 804 / 3 |
13 - | Onboard power supply control unit -J519- |
q | Location → page 804/9 |
14 - | Motronic control unit -J220- |
14 - | Diesel direct injection system control unit -J248- |
q | Location → page 804/4 |
15 - | Automatic gearbox control unit -J217- |
q | not for models with multitronic® |
q | Location → page 804/5 |
16 - | ABS control unit -J104- |
q | Location → page 804/6 |
17 - | Automatic gearbox control unit -J217- |
q | for models with multitronic® only |
q | Location → page 804/5 |
18 - | Radiator fan control unit -J293- |
q | Location → page 804/6 |
Audi Cabriolet | Fitting Locations | No. 804 / 4 |
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Audi Cabriolet | Fitting Locations | No. 804 / 5 |
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Audi Cabriolet | Fitting Locations | No. 804 / 6 |
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Audi Cabriolet | Fitting Locations | No. 804 / 7 |
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Audi Cabriolet | Fitting Locations | No. 804 / 8 |
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Audi Cabriolet | Fitting Locations | No. 804 / 9 |
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Audi Cabriolet | Fitting Locations | No. 804 / 10 |
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Audi Cabriolet | Fitting Locations | No. 804 / 11 |
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Audi Cabriolet | Fitting Locations | No. 804 / 12 |
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Audi Cabriolet | Fitting Locations | No. 804 / 13 |
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Audi Cabriolet | Fitting Locations | No. 804 / 14 |
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