Wiring Diagram AUDI A4 2003 - Voltage supply
A | Battery |
D | Ignition/starter switch |
J217 | Automatic gearbox control unit |
S88 | Strip fuse |
T10a | 10-pin connector, brown, connector point, electronics box, plenum chamber |
T17e | 17-pin connector, white, connector point, electronics box, plenum chamber |
11 | Earth point, in battery box |
12 | Earth point, in engine compartment, left |
83 | Earth connection -1-, in front right wiring harness |
500 | Screw connection -1- (30), on relay plate |
501 | Screw connection -2- (30), on relay plate |
A2 | Positive (+) connection (15), in dash panel wiring harness |
A32 | Positive (+) connection (30), in dash panel wiring harness |
A98 | Positive (+) connection -4- (30), in dash panel wiring harness |
D50 | Positive (+) connection (30), in engine compartment wiring harness |
F33 | Positive (+) connection (30), in diesel direct injection system wiring harness |
* | Only applies to models with diesel engine |
** | Only applies to models with petrol engine |
Wiring Diagram AUDI A4 2003 - Automatic gearbox control unit - Tiptronic switch
F189 | Tiptronic switch |
J217 | Automatic gearbox control unit |
J519 | Onboard power supply control unit |
N110 | Selector lever lock solenoid |
S5 | Fuse in fuse box/relay plate |
S231 | Fuse in fuse box |
T10j | 10-pin connector, black, on Tiptronic switch |
T17e | 17-pin connector, white, connector point, electronics box, plenum chamber |
T32b | 32-pin connector, grey, on onboard power supply control unit |
238 | Earth connection -1-, in interior wiring harness |
A19 | Connection (58d), in dash panel wiring harness |
A70 | Connection (15a, fuse 231), in dash panel wiring harness |
A74 | Connection (15a, fuse 5), in dash panel wiring harness |
B132 | Connection (number plate light), in interior wiring harness |
* | As of model year 2003 no longer fitted |
Wiring Diagram AUDI A4 2003 - Automatic gearbox control unit - solenoid valves
G93 | Gearbox oil temperature sender |
G182 | Gearbox input speed sender |
G195 | Gearbox output speed sender |
J217 | Automatic gearbox control unit |
N88 | Solenoid valve 1 |
N89 | Solenoid valve 2 |
N90 | Solenoid valve 3 |
N215 | Automatic gearbox pressure control valve -1- |
N216 | Automatic gearbox pressure control valve -2- |
N217 | Automatic gearbox pressure control valve -3- |
N218 | Automatic gearbox pressure control valve -4- |
T16g | 16-pin connector, black, on gearbox |
Wiring Diagram AUDI A4 2003 - Automatic gearbox control unit - multi-function switch
B | Starter |
F125 | Multi-function switch |
J60 | Automatic gearbox relay |
J217 | Automatic gearbox control unit |
M16 | Reversing light bulb, left |
M17 | Reversing light bulb, right |
T1 | Single connector, black, engine compartment, right |
T10a | 10-pin connector, brown, connector point, electronics box, plenum chamber |
T17d | 17-pin connector, red, connector point, electronics box, plenum chamber |
83 | Earth connection -1-, in front right wiring harness |
A87 | Connection (RF (reversing light)), in dash panel wiring harness |
D51 | Positive (+) connection -1- (15), in engine compartment wiring harness |
U2 | Connection -1- (15), in automatic gearbox wiring harness |
* | For 1.8 litre and 2.0 litre engine: connector T1d |
** | Only applies to models with petrol engine |
*** | Only applies to models with diesel engine |
**** | Phased-in modification |
Wiring Diagram AUDI A4 2003 - Automatic gearbox control unit - dash panel insert
J... | Engine control units |
J217 | Automatic gearbox control unit |
J285 | Control unit with display in dash panel insert |
J317 | Terminal 30 voltage supply relay |
T10a | 10-pin connector, brown, connector point, electronics box, plenum chamber |
T16 | 16-pin connector, black, diagnostic connector |
T17d | 17-pin connector, red, connector point, electronics box, plenum chamber |
T32a | 32-pin connector, green, on dash panel insert |
S102 | Engine control unit fuse |
V274 | Fan for control unit |
83 | Earth connection -1-, in front right wiring harness |
A76 | Connection (diagnosis wire K), in dash panel wiring harness |
A121 | Connection (high bus), in dash panel wiring harness |
A122 | Connection (low bus), in dash panel wiring harness |
D103 | Connection -3-, in engine compartment wiring harness |
D173 | Connection (87), in engine wiring harness |
D159 | Connection (high bus), in engine compartment wiring harness |
D160 | Connection (low bus), in engine compartment wiring harness |
* | Only applies to models with petrol engine |
** | Only applies to models with diesel engine (2.5 litre - TDI) |
• | Data bus wire (CAN bus) |
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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