Wiring Diagram AUDI A4 2007 - Taximeter - fuses - connector for printer/card reader
| D | Ignition/starter switch |
| G41 | Taximeter |
| J104 | ABS with EDL control unit |
| J285 | Control unit with display in dash panel insert |
| S55 | Two-way radio fuse |
| S57 | Alarm system fuse |
| S182 | Taximeter fuse |
| S183 | Taximeter and alarm system fuse |
| S184 | Socket I fuse |
| T5 | 5-pin connector, black, for printer/card reader |
| T17b | 17-pin connector, green, connector point, A pillar, left |
| T32a | 32-pin connector, green, on dash panel insert |
| 238 | Earth connection -1-, in interior wiring harness |
| 501 | Screw connection -2- (30), on relay plate |
| A21 | Connection (86s), in dash panel wiring harness |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A52 | Positive (+) connection -2- (30), in dash panel wiring harness |
| A98 | Positive (+) connection -4- (30), in dash panel wiring harness |
| * | Up to model year 2002 |
| ** | From model year 2003 onwards |
Wiring Diagram AUDI A4 2007 - Taxi alarm system II switch - alarm system off switch - alarm system control unit - taxi alarm system II control unit - taxi roof sign light bulb
| E216 | Taxi alarm system II switch |
| E217 | Alarm system off switch |
| J29 | Diode |
| J85 | Alarm system control unit |
| J430 | Taxi alarm system II control unit |
| L36 | Taxi roof sign light bulb |
| T4r | 4-pin connector, grey, for taxi roof sign |
| 81 | Earth connection -1-, in dash panel wiring harness |
| 238 | Earth connection -1-, in interior wiring harness |
| Q51 | Positive (+) connection (30), in alarm system wiring harness |
| * | Taxi roof sign - new version |
| ** | Taxi roof sign - old version |
Wiring Diagram AUDI A4 2007 - Taxi sign switch - alarm system control unit - alarm system relay 2 (main beam) - special vehicle control unit
| E1 | Lighting switch |
| E138 | Taxi sign switch |
| H2 | High tone horn |
| H7 | Low tone horn |
| J85 | Alarm system control unit |
| J285 | Control unit with display in dash panel insert |
| J461 | Alarm system relay 2, main beam |
| J519 | Onboard power supply control unit |
| J608 | Special vehicle control unit |
| M30 | Main beam bulb, left |
| M32 | Main beam bulb, right |
| T1e | Single connector, near lighting switch |
| T32a | 32-pin connector, green, on dash panel insert |
| T32b | 32-pin connector, grey, on onboard power supply control unit |
| 81 | Earth connection -1-, in dash panel wiring harness |
| 238 | Earth connection -1-, in interior wiring harness |
| A51 | Connection (56), in dash panel wiring harness |
| A175 | Connection (58s), in dash panel wiring harness |
| E112 | Connection (horn-87h), in dash panel wiring harness |
| E116 | Connection (56a, right), in dash panel wiring harness |
| E117 | Connection (56a, left), in dash panel wiring harness |
| * | Applies to Lowline equipment |
| ** | Applies to Highline equipment |
Wiring Diagram AUDI A4 2007 - Alarm system control unit - turn signal bulbs
| J29 | Diode |
| J85 | Alarm system control unit |
| J462 | Alarm system relay 3, left turn signal |
| J463 | Alarm system relay 4, right turn signal |
| M5 | Turn signal bulb, front left |
| M6 | Turn signal bulb, rear left |
| M7 | Turn signal bulb, front right |
| M8 | Turn signal bulb, rear right |
| M18 | Side turn signal bulb, left |
| M19 | Side turn signal bulb, right |
| 81 | Earth connection -1-, in dash panel wiring harness |
| A5 | Positive (+) connection (right turn signal), in dash panel wiring harness |
| A6 | Positive (+) connection (left turn signal), in dash panel wiring harness |
| A180 | Positive (+) connection -2- (right turn signal), in dash panel wiring harness |
| A181 | Positive (+) connection -2- (left turn signal), in dash panel wiring harness |
| B186 | Connection -2- (BL (turn signal, left)), in interior wiring harness |
| B187 | Connection -2- (BR (turn signal, right)), in interior wiring harness |
| * | Applies to Lowline equipment |
| ** | Applies to Highline equipment |
| # | As of model year 2004 no longer fitted |
| ## | Applicable from model year 2004 |
Wiring Diagram AUDI A4 2007 - Alarm control unit (on and hands-free) - two-way radio - 12 V socket
| E2 | Turn signal switch |
| E75 | Alarm system switch |
| J527 | Steering column electronics control unit |
| J610 | Alarm control unit (on and hands-free) |
| R | Radio |
| R8 | Two-way radio |
| R25 | Two-way radio loudspeaker |
| T16a | 16-pin connector, black, on steering column electronics control unit |
| U5 | 12 V socket |
| 81 | Earth connection -1-, in dash panel wiring harness |
| 238 | Earth connection -1-, in interior wiring harness |
AUDI A4 2007 Control units overview
| 1 - | Heated windscreen control unit -J505- |
| q | Location → page 804/4 |
| 2 - | CD changer -R41- |
| q | Location → page 804/13 |
| 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 804/11 |
| 5 - | Navigation operating electronics control unit -J402- |
| q | for navigation system RNS-D only |
| q | Location → page 804/11 |
| 5 - | Control unit with display for radio and navigation system -J503- |
| q | for navigation system RNS-Low only |
| q | Location → page 804/13 |
| Audi A4 | Fitting Locations | No. 804 / 2 |
| 5 - | Navigation system with CD drive control unit -J401- |
| q | Location for navigation system NS-Low → page 804/12 |
| q | Location for navigation system RNS-E → page 804/12 |
| 6 - | Telephone and telematics control unit, telematics -J526- |
| q | Location → page 804/14 |
| 6 - | Language input control unit -J507- |
| q | Location → page 804/14 |
| 7 - | Steering column electronics control unit -J527- |
| q | Location → page 804/8 |
| 8 - | Front passenger side door control unit -J387- |
| q | Location → page 804/16 |
| 9 - | Display control unit in dash panel insert -J285- |
| q | Location → page 804/8 |
| 10 - | Airbag control unit -J234- |
| q | Location → page 804/9 |
| 11 - | Driver door control unit -J386- |
| q | Location → page 804/16 |
| Audi A4 | Fitting Locations | No. 804 / 3 |
| 12 - | Convenience system central control unit -J393- |
| q | Location → page 804/15 |
| 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- |
| 14 - | Simos control unit -J361- |
| 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 A4 | Fitting Locations | No. 804 / 4 |
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