Wiring Diagram AUDI A4 2003 - Sliding/tilting sunroof
| E139 | Sliding sunroof adjustment regulator |
| E325 | Sunroof button |
| J104 | ABS control unit with EDL |
| J393 | Convenience system central control unit |
| S230 | Fuse in fuse holder |
| T12h | 12-pin connector, black, on convenience system central control unit |
| T12i | 12-pin connector, black, on convenience system central control unit |
| T17b | 17-pin connector, green, coupling station on left of A-pillar |
| T17g | 17-pin connector, dark brown, coupling station on left A-pillar |
| V1 | Sliding sunroof motor |
| W | Front interior light |
| 44 | Earth point, lower part of left A-pillar |
| 347 | Earth connection, in roof wiring harness |
| 501 | Screw connection 2 (30), on relay plate |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A52 | Positive connection 2 (30), in dash panel wiring harness |
| B207 | Connection (convenience), in interior wiring harness |
AUDI A4 2003 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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| Audi A4 | Fitting Locations | No. 804 / 5 |
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| Audi A4 | Fitting Locations | No. 804 / 6 |
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| Audi A4 | Fitting Locations | No. 804 / 7 |
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| Audi A4 | Fitting Locations | No. 804 / 8 |
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| Audi A4 | Fitting Locations | No. 804 / 9 |
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| Audi A4 | Fitting Locations | No. 804 / 10 |
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| Audi A4 | Fitting Locations | No. 804 / 11 |
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| Audi A4 | Fitting Locations | No. 804 / 12 |
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| Audi A4 | Fitting Locations | No. 804 / 13 |
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| Audi A4 | Fitting Locations | No. 804 / 14 |
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| Audi A4 | Fitting Locations | No. 804 / 15 |
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| Audi A4 | Fitting Locations | No. 804 / 16 |
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