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Wiring Diagram AUDI A8 2010 - CAN separating connector left
| J104 | ABS control unit |
| J234 | Airbag control unit |
| J431 | Headlight range control, control unit |
| J527 | Steering column electronics control unit |
| T16a | 16-pin connector, on steering column electronics control unit |
| T46a | 46-pin connector, black, CAN separating connector left |
| * | up to model year 2004 |
| ** | from model year 2005 |
Wiring Diagram AUDI A8 2010 - CAN separating connector left
| E265 | Operating and display unit for rear Climatronic |
| J136 | Seat and steering column adjustment control unit with memory function |
| J345 | Trailer detector control unit |
| J386 | Driver door control unit |
| J388 | Rear left door control unit |
| J446 | Parking aid control unit |
| J502 | Tyre pressure monitor control unit |
| J518 | Entry and start authorisation control unit |
| J519 | Onboard supply control unit |
| J527 | Steering column electronics control unit |
| J608 | Special vehicle control unit |
| J772 | Reversing camera system control unit |
| J843 | Interface control unit for vehicle location system |
| T12x | 12-pin connector, brown, on interface control unit for vehicle location system |
| T16a | 16-pin connector, on steering column electronics control unit |
| T17s | 17-pin connector, brown, under driver seat |
| T20a | 20-pin connector, black, left A-pillar |
| T20c | 20-pin connector, black, left B-pillar |
| T46a | 46-pin connector, black, CAN separating connector left |
| T54b | 54-pin connector, black, on reversing camera system control unit |
| T88 | 88-pin connector, on special vehicle control unit |
| * | models with trailer towing attachment |
| ** | models with tyre pressure monitor |
| *** | models with reversing camera system |
Wiring Diagram AUDI A8 2010 - CAN separating connector left
| E265 | Operating and display unit for rear Climatronic |
| J136 | Seat and steering column adjustment control unit with memory function |
| J345 | Trailer detector control unit |
| J386 | Driver door control unit |
| J388 | Rear left door control unit |
| J446 | Parking aid control unit |
| J502 | Tyre pressure monitor control unit |
| J518 | Entry and start authorisation control unit |
| J519 | Onboard supply control unit |
| J527 | Steering column electronics control unit |
| J608 | Special vehicle control unit |
| J772 | Reversing camera system control unit |
| J843 | Interface control unit for vehicle location system |
| T12x | 12-pin connector, brown, on interface control unit for vehicle location system |
| T16a | 16-pin connector, on steering column electronics control unit |
| T17s | 17-pin connector, brown, under driver seat |
| T20a | 20-pin connector, black, left A-pillar |
| T20c | 20-pin connector, black, left B-pillar |
| T46a | 46-pin connector, black, CAN separating connector left |
| T54b | 54-pin connector, black, on reversing camera system control unit |
| T88 | 88-pin connector, on special vehicle control unit |
| * | models with trailer towing attachment |
| ** | models with tyre pressure monitor |
| *** | models with reversing camera system |
Wiring Diagram AUDI A8 2010 - CAN separating connector right
| J197 | Adaptive suspension control unit |
| J217 | Automatic gearbox control unit |
| J248 | Diesel direct injection system control unit |
| J533 | Data bus diagnostic interface |
| J540 | Electric park and handbrake control unit |
| J623 | Engine control unit |
| T16c | 16-pin connector, black, on automatic gearbox control unit |
| T17a | 17-pin connector, black, in electronics box in plenum chamber |
| T17b | 17-pin connector, green, in electronics box in plenum chamber |
| T17d | 17-pin connector, blue, in electronics box in plenum chamber |
| T20e | 20-pin connector, black, on gearbox |
| T46b | 46-pin connector, black, CAN separating connector right |
| T81 | 81-pin connector, black, on engine control unit |
| T94b | 94-pin connector, black, connector B, on diesel direct injection system control unit |
| * | models with petrol engine |
| ** | models with diesel engine |
| # | automatic gearbox 01J, 01T |
| ## | Automatic gearbox 09E, 09L |
| ♦ | up to August 2007 |
| ♦♦ | from September 2007 |
Wiring Diagram AUDI A8 2010 - CAN separating connector right
| E408 | Start/stop motor button |
| J255 | Climatronic control unit |
| J364 | Auxiliary heater control unit |
| J387 | Front passenger door control unit |
| J389 | Rear right door control unit |
| J393 | Convenience system central control unit |
| J520 | Onboard supply control unit 2 |
| J521 | Front passenger seat adjustment with memory control unit |
| J522 | Rear seat adjustment with memory control unit |
| J528 | Roof electronics control unit |
| J533 | Data bus diagnostic interface |
| J644 | Energy management control unit |
| T6d | 6-pin connector, black, on auxiliary heater control unit |
| T8f | 8-pin connector, black, near front interior light |
| T17t | 17-pin connector, brown, under front passenger seat |
| T20b | 20-pin connector, black, right A-pillar |
| T20d | 20-pin connector, black, right B-pillar |
| T46b | 46-pin connector, black, CAN separating connector right |
| * | models with auxiliary heater |
Wiring Diagram AUDI A8 2010 - CAN separating connector right
| E408 | Start/stop motor button |
| J255 | Climatronic control unit |
| J364 | Auxiliary heater control unit |
| J387 | Front passenger door control unit |
| J389 | Rear right door control unit |
| J393 | Convenience system central control unit |
| J520 | Onboard supply control unit 2 |
| J521 | Front passenger seat adjustment with memory control unit |
| J522 | Rear seat adjustment with memory control unit |
| J528 | Roof electronics control unit |
| J533 | Data bus diagnostic interface |
| J644 | Energy management control unit |
| T6d | 6-pin connector, black, on auxiliary heater control unit |
| T8f | 8-pin connector, black, near front interior light |
| T17t | 17-pin connector, brown, under front passenger seat |
| T20b | 20-pin connector, black, right A-pillar |
| T20d | 20-pin connector, black, right B-pillar |
| T46b | 46-pin connector, black, CAN separating connector right |
| * | models with auxiliary heater |
AUDI A8 2010 Control units overview
| 1 - | Front information display and operating unit control unit -J523- |
| q | Location → chapter |
| 2 - | Display unit for front information display and operating unit control unit -J685- |
| q | Location → chapter |
| 3 - | Steering column electronics control unit -J527- |
| q | Location → chapter |
| 4 - | Front passenger side door control unit -J387- |
| q | Location → chapter |
| q | Connector assignment → chapter |
| 4 - | Power latching control unit for front passenger door -J761- |
| q | Connector assignment → chapter |
| 5 - | Onboard supply control unit 2 -J520- |
| q | Location → chapter |
| q | Connector assignment → chapter |
| 6 - | Roof electronics control unit -J528- |
| q | In front roof module |
| q | Location → chapter |
| Audi A8 | Fitting Locations | No. 804 / 2 |
| 7 - | Airbag control unit -J234- |
| q | Location → chapter |
| q | Connector assignment → chapter |
| 8 - | Seat and steering column adjustment control unit with memory -J136- |
| q | Location → chapter |
| q | Connector assignment → chapter |
| 9 - | Entry and start authorisation control unit -J518- |
| q | Location → chapter |
| q | Connector assignment → chapter |
| 10 - | Driver door control unit -J386- |
| q | Location → chapter |
| q | Connector assignment → chapter |
| 10 - | Power latching control unit for driver door -J760- |
| q | Connector assignment → chapter |
| 11 - | Onboard power supply control unit -J519- |
| q | Location → chapter |
| q | Connector assignment → chapter |
| 12 - | Headlight range control, control unit -J431- |
| q | Location → chapter |
| q | Connector assignment → chapter |
| 13 - | ABS control unit -J104- |
| q | Connector assignment → chapter |
| Audi A8 | Fitting Locations | No. 804 / 3 |
| 14 - | Control unit in dash panel insert -J285- |
| q | Connector assignment → chapter |
| 15 - | Wiper motor control unit -J400- |
| q | Location → chapter |
| 16 - | Automatic gearbox control unit -J217- |
| q | Connector assignment, 16-pin connector -T16c- → chapter |
| q | Connector assignment, 20-pin connector -T20e- → chapter |
| 17 - | Data bus diagnostic interface -J533- |
| q | Behind the glove box |
| q | Location → chapter |
| 17 - | Adaptive suspension control unit -J197- |
| q | Behind the glove box |
| q | Location → chapter |
| q | Connector assignment → chapter |
| 18 - | Adaptive cruise control unit -J428- |
| q | Location → chapter |
| q | Connector assignment → chapter |
| 19 - | Engine control unit -J623-, engine control unit 2 -J624- |
| q | Location → chapter |
| - | Garage door operation control unit -J530- |
| q | Location → chapter |
| Audi A8 | Fitting Locations | No. 804 / 4 |
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| Audi A8 | Fitting Locations | No. 804 / 5 |
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| Audi A8 | Fitting Locations | No. 804 / 6 |
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| Pin connector front door: |
| A - | 32-pin connector (connector A), white |
| B - | 16-pin connector (connector B), brown |
| C - | 12-pin connector (connector C), black |
| D - | 10-pin connector, black (connector D), black |
| Pin connector rear door: |
| A - | Vacant |
| B - | 16-pin connector (connector A), brown |
| C - | 12-pin connector (connector B), black |
| D - | 10-pin connector (connector C), black |
| Audi A8 | Fitting Locations | No. 804 / 7 |
| Power latching control unit for driver door -J760-, power latching control unit for front passenger door -J761- |
| 6-pin connector, black |
| Audi A8 | Fitting Locations | No. 804 / 8 |
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| Audi A8 | Fitting Locations | No. 804 / 9 |
| Connector assignment: |
| A - | 40-pin connector, on control unit |
| B - | 40-pin connector, black, on wiring harness |
| Audi A8 | Fitting Locations | No. 804 / 10 |
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| Audi A8 | Fitting Locations | No. 804 / 11 |
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| Audi A8 | Fitting Locations | No. 804 / 12 |
| Connector assignment: |
| - | Airbag control unit -J234- |
| Connector: |
| A - | 84-pin connector, yellow |
| q | up to model year 2004 |
| - | 75-pin connector, yellow |
| q | up to model year 2005 |
| Audi A8 | Fitting Locations | No. 804 / 13 |
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| Audi A8 | Fitting Locations | No. 804 / 14 |
| Connector assignment: |
| A - | 12-pin connector -connector ST5-, black |
| B - | 12-pin connector -connector ST4-, black |
| C - | 32-pin connector -connector ST6-, blue |
| D - | 32-pin connector -connector ST7-, green |
| Audi A8 | Fitting Locations | No. 804 / 15 |
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| Audi A8 | Fitting Locations | No. 804 / 16 |
| Connector assignment: |
| A - | 81-pin connector -connector A-, black |
| B - | 6-pin connector -connector B-, black |
| Audi A8 | Fitting Locations | No. 804 / 17 |
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| Audi A8 | Fitting Locations | No. 804 / 18 |
| Connector assignment: |
| A - | 32-pin connector, -T32a- (connector C), grey |
| B - | 23-pin connector -T23- (connector B), black |
| C - | 10-pin connector, -T10p- (connector A), black |
| Audi A8 | Fitting Locations | No. 804 / 19 |
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| Audi A8 | Fitting Locations | No. 804 / 20 |
| Connector assignment: |
| A - | 26-pin connector, yellow |
| Audi A8 | Fitting Locations | No. 804 / 21 |
| ABS control unit -J104- |
| Connector assignment: |
| A - | 42-pin connector, black |
| Audi A8 | Fitting Locations | No. 804 / 22 |
| Control unit in dash panel insert -J285- |
| Connector assignment: |
| A - | 32 pin connector -T32-, blue |
| Audi A8 | Fitting Locations | No. 804 / 23 |
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| Audi A8 | Fitting Locations | No. 804 / 24 |
| Automatic gearbox control unit -J217-, gearbox 09E/09L |
| Connector assignment: |
| A - | 16-pin connector -T16c-, black |
| Audi A8 | Fitting Locations | No. 804 / 25 |
| Automatic gearbox control unit -J217-, gearbox 01J/01T |
| Connector assignment: |
| A - | 20-pin connector -T20e-, black |
| Audi A8 | Fitting Locations | No. 804 / 26 |
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| Audi A8 | Fitting Locations | No. 804 / 27 |
| Connector assignment: |
| A - | 81-pin connector (connector A), black |
| B - | 40-pin connector (connector B), black |
| Audi A8 | Fitting Locations | No. 804 / 28 |
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