Wiring Diagram AUDI A4 2003 - Parking aid control unit - fuses
D | Ignition/starter switch |
F4 | Reversing light switch |
F216 | Rear fog light cut-out, contact switch |
J446 | Parking aid control unit |
S5 | Fuse in fuse box/relay plate |
S17 | Fuse in fuse box/relay plate |
S231 | Fuse in fuse box |
T10a | 10-pin connector, brown, connector point, electronics box, plenum chamber |
T16f | 16-pin connector, brown, on parking aid control unit |
T17d | 17-pin connector, red, connector point, electronics box, plenum chamber |
86 | Earth connection -1-, in rear wiring harness |
501 | Screw connection -2- (30), on relay plate |
A1 | Positive (+) connection (30a), in dash panel wiring harness |
A2 | Positive (+) connection (15), in dash panel wiring harness |
A32 | Positive (+) connection (30), in dash panel wiring harness |
A52 | Positive (+) connection -2- (30), 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 |
A87 | Connection (RF (reversing light)), in dash panel wiring harness |
* | Only applies to models with trailer socket |
Wiring Diagram AUDI A4 2003 - Parking aid control unit - front parking aid senders
G252 | Parking aid sender, front right |
G253 | Parking aid sender, front right, centre |
G254 | Parking aid sender, front left, centre |
G255 | Parking aid sender, front left |
H22 | Front parking aid warning buzzer |
J446 | Parking aid control unit |
T10i | 10-pin connector, blue, connector point, A pillar, left |
T10x | 10-pin connector, black, near front bumper |
T12e | 12-pin connector, brown, on parking aid control unit |
348 | Earth connection (parking aid), in front bumper wiring harness |
X65 | Connection (parking aid), in front bumper wiring harness |
* | Only applies to models with parking aid, front and rear |
Wiring Diagram AUDI A4 2003 - Parking aid control unit - rear parking aid senders
G203 | Rear left parking aid sender |
G204 | Centre rear left parking aid sender |
G205 | Centre rear right parking aid sender |
G206 | Rear right parking aid sender |
H15 | Parking aid warning buzzer |
J446 | Parking aid control unit |
T12i | 12-pin connector, on parking aid control unit |
T16f | 16-pin connector, brown, on parking aid control unit |
Wiring Diagram AUDI A4 2003 - Parking aid control unit - parking aid button
E266 | Parking aid button |
J104 | ABS with EDL control unit |
J285 | Control unit with display in dash panel insert |
J446 | Parking aid control unit |
K136 | Parking aid warning lamp |
L117 | Parking aid switch illumination |
T16 | 16-pin connector, black, diagnostic connector |
T16f | 16-pin connector, brown, on parking aid control unit |
T17b | 17-pin connector, green, connector point, A pillar, left |
T32 | 32-pin connector, blue, on dash panel insert |
T32a | 32-pin connector, green, on dash panel insert |
238 | Earth connection -1-, in interior wiring harness |
A27 | Connection (speed signal), in dash panel wiring harness |
A146 | Connection (convenience CAN bus, high), in dash panel wiring harness |
A147 | Connection (convenience CAN bus, low), in dash panel wiring harness |
A159 | Connection (L), in dash panel wiring harness |
A175 | Connection (58s), in dash panel wiring harness |
* | As of model year 2003 no longer fitted |
** | Applicable from model year 2003 |
AUDI A4 2003 Control units overview
1 - | Rear right door control unit -J389- |
q | Location → page 805/3 |
2 - | Trailer detector control unit -J345- |
q | Location → page 805/2 |
3 - | Parking aid control unit -J446- |
q | Location → page 805/2 |
4 - | Rear left door control unit -J388- |
q | Location ⇒ page → 805/3 |
Audi A4 | Fitting Locations | No. 805 / 2 |
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Audi A4 | Fitting Locations | No. 805 / 3 |
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