Wiring Diagram AUDI A4 2003 - 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 2003 - 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 2003 - 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 2003 - 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 2003 - 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 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 / 6 |
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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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