J519 | Onboard supply control unit |
SB9 | Fuse 9 on fuse holder |
SB12 | Fuse 12 on fuse holder |
SB16 | Fuse 16 on fuse holder |
SB17 | Fuse 17 on fuse holder |
SB19 | Fuse 19 on fuse holder |
SB21 | Fuse 21 on fuse holder |
SB35 | Fuse 35 on fuse holder |
SB36 | Fuse 36 on fuse holder |
T4b | 4-pin connector, on onboard supply control unit |
T6a | 6-pin connector, on onboard supply control unit |
T6c | 6-pin connector, on onboard supply control unit |
T6d | 6-pin connector, on onboard supply control unit |
T6q | 6-pin connector, on onboard supply control unit |
T6r | 6-pin connector, on onboard supply control unit |
T16p | 16-pin connector, on onboard supply control unit |
J518 | Entry and start authorisation control unit |
J519 | Onboard supply control unit |
SC8 | Fuse 8 on fuse holder |
SC17 | Fuse 17 on fuse holder |
SC35 | Fuse 35 on fuse holder |
SD9 | Fuse 9 on fuse holder |
SD10 | Fuse 10 on fuse holder |
SD11 | Fuse 11 on fuse holder |
T2t | 2-pin connector, on onboard supply control unit |
T6d | 6-pin connector, on onboard supply control unit |
T16p | 16-pin connector, on onboard supply control unit |
T26a | 26-pin connector, on onboard supply control unit |
T81 | 81-pin connector, on entry and start authorisation control unit |
B316 | Positive connection 2 (30a), in main wiring harness |
* | Only models V10 TDI engine with engine code AYH |
J519 | Onboard supply control unit |
L22 | Left fog light bulb |
L23 | Right fog light bulb |
M1 | Left side light bulb |
M5 | Front left turn signal bulb |
M29 | Left headlight dipped beam bulb |
M30 | Left headlight main beam bulb |
T6a | 6-pin connector, on onboard supply control unit |
T6e | 6-pin connector, on onboard supply control unit |
T12sa | 12-pin connector, on left headlight |
T14 | 14-pin connector, black, right front end |
T14b | 14-pin connector, brown, on left headlight |
375 | Earth connection 10, in main wiring harness |
379 | Earth connection 14, in main wiring harness |
640 | Earth point, left in engine compartment |
B285 | Positive connection 9 (15a), in main wiring harness |
B471 | Connection 7 in main wiring harness |
B478 | Connection 14 in main wiring harness |
B480 | Connection 16 in main wiring harness |
B482 | Connection 18 in main wiring harness |
E20 | Switch and instrument illumination regulator |
E102 | Headlight range control regulator |
J519 | Onboard supply control unit |
M3 | Right side light bulb |
M7 | Front right turn signal bulb |
M31 | Right headlight dipped beam bulb |
M32 | Right headlight main beam bulb |
SB54 | Fuse 54 on fuse holder |
T6f | 6-pin connector, on onboard supply control unit |
T12sb | 12-pin connector, on right headlight |
T14a | 14-pin connector, brown, on right headlight |
T18 | 18-pin connector, on onboard supply control unit |
383 | Earth connection 18, in main wiring harness |
644 | Earth point, on right in engine compartment |
B285 | Positive connection 9 (15a), in main wiring harness |
B340 | Connection 1 (58d), in main wiring harness |
B471 | Connection 7 in main wiring harness |
B477 | Connection 13 in main wiring harness |
B480 | Connection 16 in main wiring harness |
E1 | Light switch |
E314 | Rear fog light switch |
E315 | Fog light switch |
J519 | Onboard supply control unit |
L9 | Light switch illumination bulb |
SB53 | Fuse 53 on left fuse holder |
T6c | 6-pin connector, on onboard supply control unit |
T10b | 10-pin connector |
T26a | 26-pin connector, on onboard supply control unit |
B284 | Positive connection 8 (15a), in main wiring harness |
B340 | Connection 1 (58d), in main wiring harness |
B343 | Connection 4 (58d), in main wiring harness |
E326 | Front interior light button |
E457 | Driver side reading light button |
E458 | Front passenger side reading light button |
J519 | Onboard supply control unit |
T6c | 6-pin connector, on onboard supply control unit |
T10l | 10-pin connector, red, coupling station for moulded headliner |
W1 | Front interior light |
W13 | Front passenger reading light |
W19 | Reading light/driver side |
Y7 | Automatic anti-dazzle interior mirror |
378 | Earth connection 13, in main wiring harness |
639 | Earth point, left A-pillar |
B320 | Positive connection 6 (30a), in main wiring harness |
B340 | Connection 1 (58d), in main wiring harness |
B481 | Connection 17 in main wiring harness |
R5 | Connection 2, in interior light wiring harness |
J519 | Onboard supply control unit |
T10l | 10-pin connector, red, coupling station for moulded headliner |
W11 | Rear left reading light |
W12 | Rear right reading light |
W14 | Illuminated vanity mirror (front passenger side) |
W20 | Illuminated vanity mirror (driver side) |
163 | Earth connection 2, in interior light wiring harness |
378 | Earth connection 13, in main wiring harness |
B320 | Positive connection 6 (30a), in main wiring harness |
B340 | Connection 1 (58d), in main wiring harness |
R5 | Connection 2, in interior light wiring harness |
R6 | Positive connection 1, in interior light wiring harness |
R68 | Connection (58d), in interior light wiring harness |
F335 | Switch for illumination of storage compartment |
E316 | Glove compartment button |
J144 | Interior light switch-off delay blocking diode |
J519 | Onboard supply control unit |
L120 | Storage compartment illumination bulb |
T4i | 4-pin connector |
T6r | 6-pin connector, on onboard supply control unit |
T26a | 26-pin connector, on onboard supply control unit |
W6 | Glove compartment light |
W27 | Engine compartment light |
390 | Earth connection 25, in main wiring harness |
B320 | Positive connection 6 (30a), in main wiring harness |
B472 | Connection 8 in main wiring harness |
J519 | Onboard supply control unit |
L67 | Dash panel left vent illumination bulb |
L68 | Centre dash panel vent illumination bulb |
L69 | Dash panel right vent illumination bulb |
L87 | Central rear vent illumination bulb |
L88 | Rear left vent illumination bulb |
L89 | Rear right vent illumination bulb |
T6c | 6-pin connector, on onboard supply control unit |
T16p | 16-pin connector, on onboard supply control unit |
32 | Earth point, on left behind dash panel |
33 | Earth point, on right behind dash panel |
366 | Earth connection 1, in main wiring harness |
373 | Earth connection 8, in main wiring harness |
374 | Earth connection 9, in main wiring harness |
382 | Earth connection 17, in main wiring harness |
387 | Earth connection 22, in main wiring harness |
388 | Earth connection 23, in main wiring harness |
631 | Earth point, rear right door |
632 | Earth point, rear left door |
B340 | Connection 1 (58d), in main wiring harness |
B341 | Connection 2 (58d), in main wiring harness |
B342 | Connection 3 (58d), in main wiring harness |
J519 | Onboard supply control unit |
L28 | Cigarette lighter illumination bulb |
L42 | Socket illumination bulb |
SB1 | Fuse 1 on fuse holder |
SB3 | Fuse 3 on fuse holder |
SB5 | Fuse 5 on fuse holder |
T6r | 6-pin connector, on onboard supply control unit |
U1 | Cigarette lighter |
U9 | Rear cigarette lighter |
U18 | 12 V socket 2, front of centre console |
U19 | 12 V socket 3 |
U20 | 12 V socket 4, rear of centre console |
32 | Earth point, on left behind dash panel |
33 | Earth point, on right behind dash panel |
51 | Earth point, on right in luggage compartment |
391 | Earth connection 26, in main wiring harness |
395 | Earth connection 30, in main wiring harness |
396 | Earth connection 31, in main wiring harness |
638 | Earth point, right A-pillar |
B326 | Positive connection 12 (30a), in main wiring harness |
B327 | Positive connection 13 (30a), in main wiring harness |
B342 | Connection 3 (58d), in main wiring harness |
E3 | Hazard warning light switch |
F4 | Reversing light switch |
J217 | Automatic gearbox control unit |
J519 | Onboard supply control unit |
K6 | Hazard warning light system warning lamp |
SC43 | Fuse 43 on fuse holder |
T5h | 5-pin connector |
T16p | 16-pin connector, on onboard supply control unit |
T18 | 18-pin connector, on onboard supply control unit |
T26a | 26-pin connector, on onboard supply control unit |
T52 | 52-pin connector, on automatic gearbox control unit |
Y7 | Automatic anti-dazzle interior mirror |
32 | Earth point, on left behind dash panel |
370 | Earth connection 5, in main wiring harness |
376 | Earth connection 11, in main wiring harness |
377 | Earth connection 12, in main wiring harness |
B342 | Connection 3 (58d), in main wiring harness |
B483 | Connection 19 in main wiring harness |
* | Only models with manual gearbox |
--- | Only models with automatic gearbox |
F120 | Anti-theft alarm and vermin repellent system contact switch |
H2 | Treble horn |
H7 | Bass horn |
J519 | Onboard supply control unit |
L106 | Rear left footwell illumination bulb |
L107 | Rear right footwell illumination bulb |
L151 | Front left footwell illumination bulb |
L152 | Front right footwell illumination bulb |
T4b | 4-pin connector, on onboard supply control unit |
T6c | 6-pin connector, on onboard supply control unit |
T10 | 10-pin connector, black, left front end coupling station |
T10n | 10-pin connector, black, front right seat |
T10p | 10-pin connector, black, front left seat |
35 | Earth point, under front passenger seat |
129 | Earth connection, in dual tone horn wiring harness |
376 | Earth connection 11, in main wiring harness |
380 | Earth connection 15, in main wiring harness |
381 | Earth connection 16, in main wiring harness |
384 | Earth connection 19, in main wiring harness |
632 | Earth point, rear left door |
638 | Earth point, right A-pillar |
640 | Earth point, left in engine compartment |
B479 | Connection 15 in main wiring harness |
C13 | Positive connection in dual tone horn wiring harness |
G397 | Rain and light detection sensor |
J39 | Headlight washer system relay |
J519 | Onboard supply control unit |
R | Radio |
SB8 | Fuse 8 on fuse holder |
SB18 | Fuse 18 on fuse holder |
T6c | 6-pin connector, on onboard supply control unit |
T6n | 6-pin connector, black |
T6q | 6-pin connector, on onboard supply control unit |
T6r | 6-pin connector, on onboard supply control unit |
T10a | 10-pin connector |
T16e | 16-pin connector |
T18 | 18-pin connector, on onboard supply control unit |
V | Windscreen wiper motor |
V11 | Headlight washer system pump |
V59 | Windscreen and rear window washer pump |
385 | Earth connection 20, in main wiring harness |
389 | Earth connection 24, in main wiring harness |
392 | Earth connection 27, in main wiring harness |
608 | Earth point, centre in plenum chamber |
639 | Earth point, left A-pillar |
644 | Earth point, on right in engine compartment |
B415 | Connection 1 (infotainment CAN bus, high), in main wiring harness |
B421 | Connection 1 (infotainment CAN bus, low), in main wiring harness |
* | From January 2003 |
C | Alternator |
F34 | Brake fluid level warning contact |
F321 | Parking brake contact switch |
G17 | Ambient temperature sensor |
G32 | Coolant shortage indicator sender |
G33 | Windscreen washer fluid level sender |
J285 | Control unit in dash panel insert |
J519 | Onboard supply control unit |
K | Dash panel insert |
SB26 | Fuse 26 on fuse holder B |
SB40 | Fuse 40 on fuse holder B |
T6n | 6-pin connector, black |
T10 | 10-pin connector, black, left front end |
T10f | 10-pin connector, red, E-box in engine compartment |
T32a | 32-pin connector, blue |
T32b | 32-pin connector, green |
410 | Earth connection 1 (sender earth), in main wiring harness |
B278 | Connection 2 (15a), in main wiring harness |
B280 | Connection 4 (15a), in main wiring harness |
B281 | Connection 5 (15a), in main wiring harness |
B432 | Connection (foot operated parking brake), in main wiring harness |
J285 | Control unit in dash panel insert |
J518 | Entry and start authorisation control unit |
J519 | Onboard supply control unit |
J533 | Data bus diagnostic interface |
K | Dash panel insert |
T16b | 16-pin connector, self-diagnosis connection in driver footwell |
T18 | 18-pin connector |
T26a | 26-pin connector |
T32a | 32-pin connector, blue |
T32b | 32-pin connector, green |
T81 | 81-pin connector, on entry and start authorisation control unit |
371 | Earth connection 6, in main wiring harness |
B397 | Connection 1 (convenience CAN bus, high), in main wiring harness |
B406 | Connection 1 (convenience CAN bus, low), in main wiring harness |
B444 | Connection 1 (diagnosis), in main wiring harness |
B449 | Connection (emergency running), in main wiring harness |
J393 | Convenience system central control unit |
J419 | Brake light additional relay |
SC31 | Fuse 31 on fuse holder C |
T12b | 12-pin connector |
T23 | 23-pin connector |
B397 | Connection 1 (convenience CAN bus, high), in main wiring harness |
B402 | Connection 6 (convenience CAN bus, high), in main wiring harness |
B403 | Connection 7 (convenience CAN bus, high), in main wiring harness |
B404 | Connection 8 (convenience CAN bus, high), in main wiring harness |
B405 | Connection 9 (convenience CAN bus, high), in main wiring harness |
B406 | Connection 1 (convenience CAN bus, low), in main wiring harness |
B411 | Connection 6 (convenience CAN bus, low), in main wiring harness |
B412 | Connection 7 (convenience CAN bus, low), in main wiring harness |
B413 | Connection 8 (convenience CAN bus, low), in main wiring harness |
B414 | Connection 9 (convenience CAN bus, low), in main wiring harness |
B444 | Connection 1 (diagnosis), in main wiring harness |
B445 | Connection 2 (diagnosis), in main wiring harness |
B485 | Connection 21, in main wiring harness |
J393 | Convenience system central control unit |
L46 | Rear left fog light bulb |
M6 | Rear left turn signal bulb |
M16 | Left reversing light bulb |
M21 | Left brake and tail light bulb |
M49 | Left tail light 2 bulb |
SC14 | Fuse 14 on fuse holder C |
T10ab | 10-pin connector, pink, left in rear lid |
T12b | 12-pin connector |
T12c | 12-pin connector |
T23 | 23-pin connector |
X4 | Left number plate light |
X5 | Right number plate light |
50 | Earth point, on left in luggage compartment |
219 | Earth connection 2, in rear lid wiring harness |
393 | Earth connection 28, in main wiring harness |
394 | Earth connection 29, in main wiring harness |
398 | Earth connection 33, in main wiring harness |
B475 | Connection 11, in main wiring harness |
W11 | Connection (58), in rear lid wiring harness |
J393 | Convenience system central control unit |
M8 | Rear right turn signal bulb |
M17 | Right reversing light bulb |
M22 | Right brake and tail light bulb |
M50 | Right tail light 2 bulb |
SB15 | Fuse 15 on fuse holder B |
T10g | 10-pin connector, blue, coupling station for right side of rear lid |
T12b | 12-pin connector |
T12c | 12-pin connector |
T23 | 23-pin connector |
51 | Earth point, on right in luggage compartment |
218 | Earth connection 1, in rear lid wiring harness |
372 | Earth connection 7, in main wiring harness |
398 | Earth connection 33, in main wiring harness |
B476 | Connection 12, in main wiring harness |
B484 | Connection 20, in main wiring harness |
C10 | Suppression filter |
J9 | Heated rear window relay |
J393 | Convenience system central control unit |
M25 | High level brake light bulb |
SB39 | Fuse 39 on fuse holder |
SC16 | Fuse 16 on fuse holder |
SC18 | Fuse 18 on fuse holder |
T6as | 6-pin connector, green, coupling station for right side of rear window |
T12b | 12-pin connector, on rear lid control unit |
T12c | 12-pin connector, on rear lid control unit |
W3 | Luggage compartment light |
Z1 | Heated rear window |
667 | Earth point, on rear left of roof |
B330 | Positive connection 16 (30a), in main wiring harness |
B447 | Connection (luggage compartment light), in main wiring harness |