Wiring Diagram AUDI A4 2005 - CAN bus wiring (drive train)
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Automotive Electricians Portal FZCO
| J... | Engine control units |
| J104 | ABS control unit with EDL |
| J217 | Automatic gearbox control unit |
| J234 | Airbag control unit |
| T17 | 17-pin connector, black, coupling station on left A-pillar |
| T17d | 17-pin connector, red, coupling station on electronics box, plenum chamber |
| A121 | Connection (high bus), in dash panel wiring harness |
| A122 | Connection (low bus), in dash panel wiring harness |
| D159 | Connection (high bus), in engine compartment wiring harness |
| D160 | Connection (low bus), in engine compartment wiring harness |
| * | See applicable engine Current Flow Diagram |
| ** | See applicable Current Flow Diagram: automatic gearbox |
Wiring Diagram AUDI A4 2005 - CAN bus wiring - control unit with display in dash panel insert
| J285 | Control unit with display in dash panel insert |
| J527 | Steering column electronics control unit |
| T16a | 16-pin connector, black, on steering column electronics control unit |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| A121 | Connection (high bus), in dash panel wiring harness |
| A122 | Connection (low bus), in dash panel wiring harness |
| A146 | Connection (convenience CAN bus, high), in dash panel wiring harness |
| A147 | Connection (convenience CAN bus, low), 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 |
Wiring Diagram AUDI A4 2005 - CAN bus wiring (convenience)
| J345 | Trailer detector control unit |
| J446 | Parking aid control unit |
| J519 | Onboard supply control unit |
| T16f | 16-pin connector, brown, on parking aid control unit |
| T32b | 32-pin connector, grey, on onboard supply control unit |
| A146 | Connection (convenience CAN bus, high), in dash panel wiring harness |
| A147 | Connection (convenience CAN bus, low), 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 |
Wiring Diagram AUDI A4 2005 - CAN bus wiring (convenience)
| E87 | operating and display unit for air conditioning system/Climatronic |
| J... | Door control units |
| J136 | Seat adjustment with memory control unit |
| J364 | Auxiliary heater control unit |
| J393 | Convenience system central control unit |
| T10k | 10-pin connector, white, coupling station left of A-pillar |
| T10o | 10-pin connector, red, coupling station seat wiring, driver seat |
| T32e | 32-pin connector, on seat adjustment with memory control unit |
| A146 | Connection (convenience CAN bus, high), in dash panel wiring harness |
| A147 | Connection (convenience CAN bus, low), 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 |
Wiring Diagram AUDI A4 2005 - CAN bus wiring (navigation system and infotainment)
| J402 | Navigation operating electronics control unit |
| J415 | Navigation system tuner for TV |
| R94 | Navigation system interface |
| R99 | Chip card reader unit |
| T12d | 12-pin connector, brown, near glove compartment |
| T26 | 26-pin connector, black, on navigation operating electronics control unit |
| A148 | Connection (navigation CAN bus, high), in dash panel wiring harness |
| A149 | Connection (navigation CAN bus, low), 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 |
| * | for models with radio navigation system only |
| ** | for models with radio/navigation system and TV tuner |
| *** | option navigation system |
Wiring Diagram AUDI A4 2005 - Navigation system with CD drive control unit
| J401 | Navigation system with CD drive control unit |
| J412 | Mobile telephone operating electronics control unit |
| J507 | Language input control unit |
| J526 | Telephone and telematics control unit |
| T16j | 16-pin connector, black, on navigation operating electronics control unit, connector D |
| T20e | 20-pin connector, black, on navigation system with CD drive control unit |
| T42 | 42-pin connector, black, on telephone / telematics control unit |
| T46 | 46-pin connector, on telephone / telematics control unit |
| A178 | Connection (infotainment CAN bus, high), in dash panel wiring harness |
| A179 | Connection (infotainment CAN bus, low), in dash panel wiring harness |
| * | for models with telephone / telematics only (USA) |
| ** | for models with navigation system NS-LOW only |
| *** | for models with radio navigation system RNS-E only |
Wiring Diagram AUDI A4 2005 - CAN bus wiring (infotainment)
| J402 | Navigation operating electronics control unit |
| R | Radio |
| T20d | 20-pin connector, black, radio connector I |
| A178 | Connection (infotainment CAN bus, high), in dash panel wiring harness |
| A179 | Connection (infotainment CAN bus, low), in dash panel wiring harness |
| * | only models with radio navigation system (Japan) |
AUDI A4 2005 Control units overview
Control units overview | | | | Audi A4 | Fitting Locations | No. 804 / 2 |
|
| q | Location for navigation system RNS-E |
| Audi A4 | Fitting Locations | No. 804 / 3 |
|
| Diesel direct injection system control unit -J248- |
| 17 - | Automatic gearbox control unit -J217- |
| q | for models with multitronic® only |
AUDI A4 2005 Motronic control unit -J220-, diesel direct injection system control unit -J248-, Simos control unit -J361-
Motronic control unit -J220-, diesel direct injection system control unit -J248-, Simos control unit -J361- | | | | On electronics box in plenum chamber | | | |
AUDI A4 2005 Automatic gearbox control unit -J217-
Automatic gearbox control unit -J217- | | not for models with multitronic® |
| | | In electronics box in plenum chamber | | for models with multitronic® only | | | |
AUDI A4 2005 ABS control unit -J104-
AUDI A4 2005 Radiator fan control unit -J293- | Radiator fan control unit -J293- | | | AUDI A4 2005 Fresh air blower control unit -J126-
AUDI A4 2005 Headlight range control, control unit -J431- | Headlight range control, control unit -J431- | | | AUDI A4 2005 Steering column electronics control unit -J527-
AUDI A4 2005 Display control unit in dash panel insert -J285- | Display control unit in dash panel insert -J285- | | | | In the dash panel behind the display unit | | | |
AUDI A4 2005 Airbag control unit -J234-
AUDI A4 2005 Onboard power supply control unit -J519- | Onboard power supply control unit -J519- | | | | Behind driver's storage compartment | | | |
AUDI A4 2005 Trailer detector control unit -J345-
AUDI A4 2005 Parking aid control unit -J446- | Parking aid control unit -J446- | | | | In left luggage compartment, behind side trim, on apron | | | |
AUDI A4 2005 Navigation operating electronics control unit -J402-
Navigation operating electronics control unit -J402- | | for navigation system RNS-D only |
| |
AUDI A4 2005 Radio -R-Radio -R- |
| not for navigation system | | | |
AUDI A4 2005 Navigation system with CD drive control unit -J401-
Navigation system with CD drive control unit -J401- | | For navigation system NS-Low only |
| | | For navigation system RNS-E only | | | |
AUDI A4 2005 Control unit with display for radio and navigation system -J503-
Control unit with display for radio and navigation system -J503- | | for navigation system RNS-Low only |
AUDI A4 2005 CD changer -R41-
CD changer -R41- |
| | AUDI A4 2005 Telephone and telematics control unit, telematics -J526-
Telephone and telematics control unit, telematics -J526- | | For models with telematics only |
| in electronics box under front passenger seat |
| |
AUDI A4 2005 Language input control unit -J507-Language input control unit -J507- |
| For models with telematics only | | in electronics box under front passenger seat | | | |
AUDI A4 2005 Convenience system central control unit -J393-
Convenience system central control unit -J393- | | | AUDI A4 2005 Driver door control unit -J386-
AUDI A4 2005 Front passenger side door control unit -J387- | Front passenger side door control unit -J387- | | | | In window regulator motor integrated | | | |
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