Wiring Diagram AUDI A4 2003 - Ignition/starter switch - control unit for headlight range control - fuses
![AUDI A4 2003 — Headlight for gaseous discharge light and automatic headlight range control . Wiring diagrams, Pin Connector, Location Download PDF file](/images/pdf-80.jpg)
C | Alternator |
D | Ignition/starter switch |
E1 | Light switch |
J285 | Control unit with display in dash panel insert |
J431 | Headlight range control, control unit |
S10 | Fuse in relay plate fuse holder |
S20 | Fuse in relay plate fuse holder |
S21 | Fuse in relay plate fuse holder |
T2 | 2-pin connector, black, in right engine compartment |
T10 | 10-pin connector, black, coupling station on electronics box, plenum chamber |
T32a | 32-pin connector, green, on dash panel insert |
33 | Earth point, on right behind dash panel |
238 | Earth connection 1, in interior wiring harness |
501 | Screw connection 2 (30), on relay plate |
A2 | Positive connection (15), in dash panel wiring harness |
A17 | Connection (61), in dash panel wiring harness |
A32 | Positive connection (30), in dash panel wiring harness |
A51 | Connection (56), in dash panel wiring harness |
* | For lowline equipment only |
** | For highline equipment only |
Wiring Diagram AUDI A4 2003 - Control unit for headlight range control - vehicle inclination sender
G76 | Rear left vehicle level sender |
G78 | Front left vehicle level sender |
J104 | ABS control unit with EDL |
J431 | Headlight range control, control unit |
T4s | 4-pin connector, black, on rear left vehicle level sender |
T16 | 16-pin connector, black, diagnostic connector |
T17 | 17-pin connector, black, coupling station on left A-pillar |
T17a | 17-pin connector, red, coupling station on left A-pillar |
A133 | Connection (left ABS impulse), in dash panel wiring harness |
A159 | Connection (L), in dash panel wiring harness |
Z20 | Connection in adaptive suspension system wiring harness |
Z21 | Positive connection (x), in adaptive suspension system wiring harness |
Wiring Diagram AUDI A4 2003 - Headlight range control - control unit - left gas discharge (xenon) bulb - left headlight range control motor
J343 | Left gas discharge light control unit |
J431 | Headlight range control, control unit |
J519 | Onboard supply control unit |
L13 | Left gas discharge (xenon) bulb |
M1 | Left side light bulb |
M5 | Front left turn signal bulb |
M30 | Left main beam bulb |
T17a | 17-pin connector, red, coupling station on left A-pillar |
T23 | 23-pin connector, black, on onboard supply control unit |
T32b | 32-pin connector, grey, on onboard supply control unit |
V48 | Left headlight range control motor |
26 | Earth point, on front apron |
179 | Earth connection, in left headlight wiring harness |
A6 | Positive connection (left turn signal), in dash panel wiring harness |
A84 | Connection (58L), in dash panel wiring harness |
B167 | Connection (56b), in interior wiring harness |
E117 | Connection (56a, left), in dash panel wiring harness |
* | For lowline equipment only |
** | For highline equipment only |
*** | for models with automatic headlight switching / surround lighting only |
Wiring Diagram AUDI A4 2003 - Headlight range control - control unit - right gas discharge (xenon) bulb - right headlight range control motor
J344 | Right gas discharge light control unit |
J431 | Headlight range control, control unit |
J519 | Onboard supply control unit |
L14 | Right gas discharge (xenon) bulb |
M3 | Right side light bulb |
M7 | Front right turn signal bulb |
M32 | Right main beam bulb |
T17c | 17-pin connector, red, coupling station right A-pillar |
T23 | 23-pin connector, black, on onboard supply control unit |
T32b | 32-pin connector, grey, on onboard supply control unit |
V49 | Right headlight range control motor |
43 | Earth point, lower part of right A-pillar |
176 | Earth connection, in right headlight wiring harness |
A5 | Positive connection (right turn signal), in dash panel wiring harness |
A85 | Connection (58R), in dash panel wiring harness |
E116 | Connection (56a, right), in dash panel wiring harness |
* | For lowline equipment only |
** | For highline equipment only |
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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