A | Battery |
B | Starter |
J519 | Onboard power supply control unit |
SA5 | Fuse -5- (30), in the E box |
SB3 | Fuse -3-, in the E box |
SB6 | Fuse -6-, in the E box |
SB12 | Fuse -12-, in the E box |
SB17 | Fuse -17-, in the E box |
SB19 | Fuse -19-, in the E box |
T40a | 40-pin connector, at the E box |
T52aa | 52-pin connector, on the onboard power supply control unit (black) |
T52ab | 52-pin connector, on the onboard power supply control unit (white) |
T52ac | 52-pin connector, on the onboard power supply control unit (brown) |
1 | Earth strap, battery body |
12 | Earth point, on left in engine compartment (at longitudinal member) |
14 | Earth point, on gearbox |
366 | Earth connection -1-, in interior wiring harness |
372 | Earth connection -7-, in interior wiring harness |
A164 | Positive connection -2- (30a), in dash panel wiring harness |
* | depending upon the engine identification characters |
G65 | High pressure sender |
G238 | Air quality sensor |
J104 | ABS control unit with TCS/ABS with EDL and TCS/ESP |
J162 | Heater control unit |
J234 | Airbag control unit, on the front of the tunnel |
J519 | Onboard power supply control unit |
J745 | Cornering light and headlight range control, control unit |
SC1 | Fuse -1-, in fuse holder |
SC2 | Fuse -2-, in fuse holder |
SC3 | Fuse -3-, in fuse holder |
SC4 | Fuse -4-, in fuse holder |
SC5 | Fuse -5-, in fuse holder |
SC6 | Fuse -6-, in fuse holder |
Y7 | Automatic anti-dazzle interior mirror |
A20 | Positive connection -1- (15a), in dash panel wiring harness |
A38 | Positive connection -2- (15a), in dash panel wiring harness |
B279 | Positive connection -3- (15a), in interior wiring harness |
B280 | Positive connection -4- (15a), in interior wiring harness |
*1 | only on vehicles with gas discharge lamps |
*2 | not valid for vehicles with gas discharge lamp |
E9 | Fresh air blower switch |
G70 | Air mass meter |
J217 | Automatic gearbox control unit, below the front left mud wing |
J519 | Onboard power supply control unit |
N79 | Heating resistor for crankcase ventilation |
SC29 | Fuse -29-, in fuse holder |
SC30 | Fuse -30-, in fuse holder |
SC31 | Fuse -31-, in fuse holder |
SC40 | Fuse -40-, in fuse holder |
SC41 | Fuse -41-, in fuse holder |
SC42 | Fuse -42-, in fuse holder |
SC49 | Fuse -49-, in fuse holder |
T10e | 10-pin connector, behind dash panel, right |
V192 | Vacuum pump for brakes |
A12 | Positive connection -1- (75a), in dash panel wiring harness |
A20 | Positive connection -1- (15a), in dash panel wiring harness |
*1 | only on vehicles with automatic gearbox |
*2 | only on vehicles with heating or climatic |
*3 | only on vehicles with rear window wiper |
J162 | Heater control unit |
J255 | Climatronic control unit |
J301 | Air conditioning system control unit |
J386 | Door control unit, driver side |
J387 | Door control unit, front passenger side |
J519 | Onboard power supply control unit |
SC12 | Fuse -12-, in fuse holder |
SC13 | Fuse -13-, in fuse holder |
SC14 | Fuse -14-, in fuse holder |
SC15 | Fuse -15-, in fuse holder |
SC16 | Fuse -16-, in fuse holder |
SC17 | Fuse -17-, in fuse holder |
B315 | Positive connection -1- (30a), in interior wiring harness |
B317 | Positive connection -3- (30a), in interior wiring harness |
B318 | Positive connection -4- (30a), in interior wiring harness |
* | only on vehicles with automatic gearbox |
J17 | Fuel pump relay, at additional relay holder above the onboard power supply control unit |
J126 | Fresh air blower control unit |
J386 | Door control unit, driver side |
J387 | Door control unit, front passenger side |
J519 | Onboard power supply control unit |
J538 | Fuel pump control unit |
J643 | Fuel supply relay, at additional relay holder above the onboard power supply control unit |
J749 | Fuel pump relay for additional heater, at additional relay holder above the onboard power supply control unit |
SC22 | Fuse -22-, in fuse holder |
SC23 | Fuse -23-, in fuse holder |
SC24 | Fuse -24-, in fuse holder |
SC25 | Fuse -25-, in fuse holder |
SC26 | Fuse -26-, in fuse holder |
SC27 | Fuse -27-, in fuse holder |
T10e | 10-pin connector, behind dash panel, right |
B315 | Positive connection -1- (30a), in interior wiring harness |
* | only for Combi |
*2 | only on vehicles with Climatronic |
*3 | on diesel engines, for engine identification characters BUD, BSE, BSF, CCSA, CHGA |
*4 | for engine identification characters BUD, BSE, BSF, CCSA, CHGA |
*5 | for engine identification characters CBZB, CAXA, CDAA, CCZA |
*6 | on vehicles without auxiliary heating |
*7 | on vehicles with auxiliary heating |
*8 | on vehicles with auxiliary heating with diesel engines |
G273 | Interior monitoring sensor |
H12 | Alarm horn |
J39 | Headlight washer system relay, at relay holder below the onboard power supply control unit |
J245 | Sliding sunroof adjustment control unit |
J388 | Door control unit, rear left |
J389 | Door control unit, rear right |
J519 | Onboard power supply control unit |
J774 | Heated front seat control unit, at passenger seat |
SC32 | Fuse -32-, in fuse holder |
SC33 | Fuse -33-, in fuse holder |
SC34 | Fuse -34-, in fuse holder |
SC35 | Fuse -35-, in fuse holder |
SC36 | Fuse -36-, in fuse holder |
SC37 | Fuse -37-, in fuse holder |
T52ab | 52-pin connector, on the onboard power supply control unit (white) |
B316 | Positive connection -2- (30a), in interior wiring harness |
B328 | Positive connection -14- (30a), in interior wiring harness |
* | for vehicles with rear electrical window regulators |
E22 | Intermittent wiper switch |
E34 | Rear wiper switch |
E38 | Intermittent wiper control |
J519 | Onboard power supply control unit |
J527 | Steering column electronics control unit |
T20a | 20-pin connector, at steering column electronics control unit |
43 | Earth point -1-, on lower part of right A-pillar |
366 | Earth connection -1-, in interior wiring harness |
367 | Earth connection -2-, in interior wiring harness |
368 | Earth connection -3-, in interior wiring harness |
381 | Earth connection -16-, in interior wiring harness |
605 | Earth point, on steering column |
B397 | Connection -1- (CAN H, convenience), in interior wiring harness |
B406 | Connection -1- (CAN L, convenience), in interior wiring harness |
D | Ignition starter switch |
E86 | Multi-function display call-up button |
E109 | Multi-function display, memory switch |
F319 | Selector lever locked in position P switch |
J519 | Onboard power supply control unit |
J527 | Steering column electronics control unit |
N376 | Ignition key withdrawal lock solenoid |
T20a | 20-pin connector, at steering column electronics control unit |
T52ac | 52-pin connector, on the onboard power supply control unit (brown) |
A2 | Positive connection (15), in dash panel wiring harness |
* | only on vehicles with multi-function display (MFD) |
** | only on vehicles with automatic gearbox |
E2 | Turn signal switch |
E4 | Headlight dipper/flasher switch |
E45 | Cruise control system switch |
E227 | Cruise control system (CCS) button (Set) |
F350 | Coil |
H | Horn activation |
J519 | Onboard power supply control unit |
J527 | Steering column electronics control unit |
J... | Engine control units |
T12h | 12-pin connector, at the coil, in the steering wheel |
T20a | 20-pin connector, at steering column electronics control unit |
* | only on vehicles with CCS |
** | not valid for vehicles with multi-function steering wheel |
G397 | Rain and light detector sensor |
J400 | Wiper motor control unit |
J519 | Onboard power supply control unit |
T3a | 3-pin connector, on rain and light detector sensor |
T4aa | 4-pin connector, at windscreen wiper motor driver's side |
T52ab | 52-pin connector, on the onboard power supply control unit (white) |
V216 | Windscreen wiper motor, driver side |
368 | Earth connection -3-, in interior wiring harness |
374 | Earth connection -9-, in interior wiring harness |
B317 | Positive connection -3- (30a), in interior wiring harness |
B528 | Connection -1- (LIN bus), in interior wiring harness |
*1 | only on vehicles with rain detector sensor and automatic driving lights activation |
*2 | not valid for vehicles with gas discharge lamp |
J519 | Onboard power supply control unit |
T2b | 2-pin connector, on the windscreen and rear window washer pump |
T4b | 4-pin connector, at rear window wiper motor |
T5a | 5-pin connector, on left C-pillar (pink) |
T5b | 5-pin connector, in the rear lid (black) |
T52aa | 52-pin connector, on the onboard power supply control unit (black) |
T52ab | 52-pin connector, on the onboard power supply control unit (white) |
V12 | Rear window wiper motor |
V59 | Windscreen and rear window washer pump |
98 | Earth connection, in rear lid wiring harness |
B183 | Connection -1- (windscreen washer pump), in interior wiring harness |
B184 | Connection -2- (windscreen washer pump), in interior wiring harness |
E1 | Light switch |
E7 | Fog light switch |
E18 | Rear fog light switch |
J519 | Onboard power supply control unit |
L9 | Lamp for light switch illumination |
T10b | 10-pin connector, at light switch |
T52aa | 52-pin connector, on the onboard power supply control unit (black) |
T52ab | 52-pin connector, on the onboard power supply control unit (white) |
368 | Earth connection -3-, in interior wiring harness |
A19 | Connection (58d), in dash panel wiring harness |
A116 | Connection -2- (58d), in dash panel wiring harness |
B317 | Positive connection -3- (30a), in interior wiring harness |
* | only on vehicles with fog lights |
** | only on vehicles with automatic driving lights activation |
J519 | Onboard power supply control unit |
M1 | Side light bulb, left |
M5 | Turn signal bulb, front left |
M29 | Dipped beam bulb, left |
M30 | Main beam bulb, left |
T10c | 10-pin connector, at left headlight |
T52aa | 52-pin connector, on the onboard power supply control unit (black) |
T52ac | 52-pin connector, on the onboard power supply control unit (brown) |
V48 | Headlight range control motor, left |
369 | Earth connection -4-, in interior wiring harness |
384 | Earth connection -19-, in interior wiring harness |
670 | Earth point -2-, on lower part of left A-pillar |
B277 | Positive connection -1- (15a), in interior wiring harness |
B455 | Connection (headlight range control), in interior wiring harness |
*1 | not valid for vehicles with LED day driving lights and side lights |
*2 | not valid for vehicles with gas discharge lamp |
E20 | Switches and instruments light regulator |
E102 | Headlight range control adjuster |
J519 | Onboard power supply control unit |
L54 | Headlight range control/adjuster light bulb |
M3 | Side light bulb, right |
M7 | Turn signal bulb, front right |
M31 | Dipped beam bulb, right |
M32 | Main beam bulb, right |
T8b | 8-pin connector, at illumination regulator and headlight range control adjuster |
T10d | 10-pin connector, at right headlight |
T52aa | 52-pin connector, on the onboard power supply control unit (black) |
T52ab | 52-pin connector, on the onboard power supply control unit (white) |
T52ac | 52-pin connector, on the onboard power supply control unit (brown) |
V49 | Headlight range control motor, right |
43 | Earth point -1-, on lower part of right A-pillar |
369 | Earth connection -4-, in interior wiring harness |
383 | Earth connection -18-, in interior wiring harness |
A19 | Connection (58d), in dash panel wiring harness |
B277 | Positive connection -1- (15a), in interior wiring harness |
B455 | Connection (headlight range control), in interior wiring harness |
*1 | not valid for vehicles with LED day driving lights and side lights |
*2 | not valid for vehicles with gas discharge lamp |
*3 | valid for vehicles with illumination regulator - switches and instruments |
J519 | Onboard power supply control unit |
M4 | Tail light bulb, left |
M6 | Turn signal bulb, rear left |
M16 | Reversing light bulb, left |
M21 | Tail and brake light bulb, left |
M41 | Tail and rear fog light bulb, left |
T6b | 6-pin connector, on left tail light |
T52aa | 52-pin connector, on the onboard power supply control unit (black) |
T52ac | 52-pin connector, on the onboard power supply control unit (brown) |
50 | Earth point, in luggage compartment, left |
370 | Earth connection -5-, in interior wiring harness |
A87 | Connection (reversing lights), in dash panel wiring harness |
J519 | Onboard power supply control unit |
M2 | Tail light bulb, right |
M8 | Turn signal bulb, rear right |
M17 | Reversing light bulb, right |
M22 | Tail and brake light bulb, right |
M42 | Tail and rear fog light bulb, right |
T6c | 6-pin connector, on right tail light |
T52aa | 52-pin connector, on the onboard power supply control unit (black) |
T52ac | 52-pin connector, on the onboard power supply control unit (brown) |
371 | Earth connection -6-, in interior wiring harness |
J519 | Onboard power supply control unit |
M4 | Tail light bulb, left |
M6 | Turn signal bulb, rear left |
M16 | Reversing light bulb, left |
M21 | Tail and brake light bulb, left |
M41 | Tail and rear fog light bulb, left |
T6b | 6-pin connector, on left tail light |
T52aa | 52-pin connector, on the onboard power supply control unit (black) |
T52ac | 52-pin connector, on the onboard power supply control unit (brown) |
50 | Earth point, in luggage compartment, left |
370 | Earth connection -5-, in interior wiring harness |
A87 | Connection (reversing lights), in dash panel wiring harness |
J519 | Onboard power supply control unit |
M2 | Tail light bulb, right |
M8 | Turn signal bulb, rear right |
M17 | Reversing light bulb, right |
M22 | Tail and brake light bulb, right |
M42 | Tail and rear fog light bulb, right |
T6c | 6-pin connector, on right tail light |
T52aa | 52-pin connector, on the onboard power supply control unit (black) |
T52ac | 52-pin connector, on the onboard power supply control unit (brown) |
371 | Earth connection -6-, in interior wiring harness |
E230 | Heated rear window button |
J9 | Heated rear window relay, at relay holder below the onboard power supply control unit |
J519 | Onboard power supply control unit |
M25 | High level brake light bulbs |
T5a | 5-pin connector, on left C-pillar (pink) |
T5b | 5-pin connector, in the rear lid (black) |
T5c | 5-pin connector, on left C-pillar (black) |
T5d | 5-pin connector, in the rear lid (brown) |
T20b | 20-pin connector, on the heating and fresh air control |
T52aa | 52-pin connector, on the onboard power supply control unit (black) |
T52ab | 52-pin connector, on the onboard power supply control unit (white) |
T52ac | 52-pin connector, on the onboard power supply control unit (brown) |
X | Number plate light |
Z1 | Heated rear window |
50 | Earth point, in luggage compartment, left |
98 | Earth connection, in rear lid wiring harness |
218 | Earth connection, in rear lid communication cord |
676 | Earth point -2-, in luggage compartment, left |
B327 | Positive connection -13- (30a), in interior wiring harness |
* | only on vehicles with heating |
** | not valid for tailgate vehicles with radio aerial 2 |
*** | only for tailgate vehicles |
**** | only for Combi vehicles |
E229 | Hazard warning lights button |
F | Brake light switch, at master brake cylinder |
F4 | Reversing light switch |
F47 | Brake pedal switch, at master brake cylinder |
J519 | Onboard power supply control unit |
J... | Engine control units |
K6 | Hazard warning light system warning lamp |
L76 | Bulb for button lighting |
T2e | 2-pin connector, at reversing light switch |
T4c | 4-pin connector, at brake pedal switch |
T6d | 6-pin connector, at hazard warning lights button |
T52aa | 52-pin connector, on the onboard power supply control unit (black) |
T52ab | 52-pin connector, on the onboard power supply control unit (white) |
T52ac | 52-pin connector, on the onboard power supply control unit (brown) |
368 | Earth connection -3-, in interior wiring harness |
374 | Earth connection -9-, in interior wiring harness |
A18 | Connection (54), in dash panel wiring harness |
B279 | Positive connection -3- (15a), in interior wiring harness |
* | not valid for vehicles with automatic gearbox |
J519 | Onboard power supply control unit |
T3b | 3-pin connector, on the bulb of the front interior light |
T3c | 3-pin connector, at the rear centre reading light |
T52ab | 52-pin connector, on the onboard power supply control unit (white) |
T52ac | 52-pin connector, on the onboard power supply control unit (brown) |
W1 | Front interior light |
W13 | Front passenger reading light |
W19 | Reading lamp, driver side |
W44 | Rear centre reading light |
367 | Earth connection -2-, in interior wiring harness |
368 | Earth connection -3-, in interior wiring harness |
370 | Earth connection -5-, in interior wiring harness |
B111 | Positive connection (30al), in interior wiring harness |
B129 | Connection (31, interior light/door contact switch), in interior wiring harness |
* | only on vehicles with optional equipment |
** | only on vehicles without optional equipment |
| only on vehicles without head airbag |
| only on vehicles with head airbag |
F5 | Luggage compartment light switch, in rear hinged lock |
F218 | Central locking switch, in rear hinged lock |
J519 | Onboard power supply control unit |
T4d | 4-pin connector, at rear hinged lock |
T5a | 5-pin connector, on left C-pillar (pink) |
T5c | 5-pin connector, on left C-pillar (black) |
T5d | 5-pin connector, in the rear lid (brown) |
T52aa | 52-pin connector, on the onboard power supply control unit (black) |
W6 | Glove box light |
W18 | Luggage compartment light, left |
W35 | Luggage compartment light, right |
98 | Earth connection, in rear lid wiring harness |
368 | Earth connection -3-, in interior wiring harness |
B111 | Positive connection (30al), in interior wiring harness |
B128 | Connection (31, luggage compartment light), in interior wiring harness |
* | only on vehicles with optional equipment |
J519 | Onboard power supply control unit |
L15 | Front ashtray light bulb |
L50 | Rear centre ashtray light bulb |
T2r | 2-pin connector, on the socket |
T3e | 3-pin connector, on the socket in luggage compartment, right |
U | Socket |
U1 | Cigarette lighter |
U5 | 12 V - Socket in luggage compartment, right |
366 | Earth connection -1-, in interior wiring harness |
381 | Earth connection -16-, in interior wiring harness |
A116 | Connection -2- (58d), in dash panel wiring harness |
* | only for Combi |
** | only on vehicles with optional equipment |
H2 | High tone horn |
H7 | Low tone horn |
J4 | Horn relay, at relay holder below the onboard power supply control unit |
J519 | Onboard power supply control unit |
T52ab | 52-pin connector, on the onboard power supply control unit (white) |
44 | Earth point -1-, on lower part of left A-pillar |
372 | Earth connection -7-, in interior wiring harness |
373 | Earth connection -8-, in interior wiring harness |
A90 | Connection (horn), in dash panel wiring harness |
* | only on vehicles with optional equipment |
D2 | Immobilizer reading coil (at ignition starter switch) |
F9 | Handbrake warning switch |
F34 | Brake fluid level warning contact |
J285 | Control unit in dash panel insert |
J362 | Immobilizer control unit |
J519 | Onboard power supply control unit |
K | Dash panel insert |
K7 | Brake fluid level warning lamp and handbrake |
T2f | 2-pin connector, at the immobilizer reading coil |
T32c | 32-pin connector, at dash panel insert |
372 | Earth connection -7-, in interior wiring harness |
374 | Earth connection -9-, in interior wiring harness |
381 | Earth connection -16-, in interior wiring harness |
B278 | Positive connection -2- (15a), in interior wiring harness |
G17 | Ambient temperature sensor, under the front bumper |
G32 | Coolant shortage indicator sender |
G33 | Windscreen washer fluid level sender |
J119 | Multi-function display |
J285 | Control unit in dash panel insert |
J519 | Onboard power supply control unit |
K | Dash panel insert |
K28 | Coolant temperature and coolant shortage indicator warning lamp |
K106 | Washer fluid low warning lamp |
T32c | 32-pin connector, at dash panel insert |
269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
* | only on vehicles with optional equipment |
** | only for vehicles with multi-function display (MFD) and or with Climatronic |
F266 | Bonnet contact switch |
G34 | Brake lining/pad wear sender, front left |
G266 | Oil level/oil temperature sender |
J285 | Control unit in dash panel insert |
J519 | Onboard power supply control unit |
K | Dash panel insert |
K32 | Brake pad/lining warning lamp |
K38 | Oil level warning lamp |
T2g | 2-pin connector, at brake lining/pad wear sender, front left |
T2h | 2-pin connector, at bonnet contact switch |
T6j | 6-pin connector, on front left in engine compartment (black) |
T32c | 32-pin connector, at dash panel insert |
T52aa | 52-pin connector, on the onboard power supply control unit (black) |
373 | Earth connection -8-, in interior wiring harness |
374 | Earth connection -9-, in interior wiring harness |
* | only on vehicles with extended servicing intervals (ESI) |
** | only on vehicles with optional equipment |
J285 | Control unit in dash panel insert |
J519 | Onboard power supply control unit |
K | Dash panel insert |
K19 | Seat belt warning system warning lamp |
K29 | Glow period warning lamp |
K83 | Exhaust emissions warning lamp |
K116 | Rear lid open warning lamp |
K132 | Electronic power control fault lamp |
K161 | Electro/mechanical power steering warning lamp |
K166 | Door open warning lamp |
K170 | Bulb failure warning lamp |
K171 | Bonnet open warning lamp |
K231 | Diesel particle filter warning light |
* | for petrol engines |
** | for diesel engines |
*** | for vehicles with diesel particle filter |
G5 | Rev. Counter |
G21 | Speedometer |
H3 | Buzzer/gong |
J245 | Sliding sunroof adjustment control unit |
J285 | Control unit in dash panel insert |
J519 | Onboard power supply control unit |
J533 | Data bus diagnostic interface, below dash panel, centre |
K | Dash panel insert |
K169 | Selector lever lock warning lamp |
K220 | Tyre pressure display warning lamp |
T20c | 20-pin connector, at data bus diagnostic interface |
T32c | 32-pin connector, at dash panel insert |
Y4 | Odometer display |
Y6 | Selector lever position indicator |
* | only on vehicles with automatic gearbox |
** | only for vehicles with electrical sliding roof |
J519 | Onboard power supply control unit |
J533 | Data bus diagnostic interface, below dash panel, centre |
T20c | 20-pin connector, at data bus diagnostic interface |
T52ac | 52-pin connector, on the onboard power supply control unit (brown) |
A178 | Connection (CAN H, infotainment), in dash panel insert wiring harness |
A179 | Connection (CAN L, infotainment), in dash panel insert wiring harness |
B383 | Connection -1- (CAN H, drive), in interior wiring harness |
B390 | Connection -1- (CAN L, drive), in interior wiring harness |
B397 | Connection -1- (CAN H, convenience), in interior wiring harness |
B406 | Connection -1- (CAN L, convenience), in interior wiring harness |
J519 | Onboard power supply control unit |
J533 | Data bus diagnostic interface, below dash panel, centre |
T16b | 16-pin connector, for diagnostic connection, below dash panel, left |
T20c | 20-pin connector, at data bus diagnostic interface |
367 | Earth connection -2-, in interior wiring harness |
372 | Earth connection -7-, in interior wiring harness |
A76 | Connection (diagnosis wire K), in dash panel wiring harness |
* | not valid for 1.8 ltr./112 kW, 1.8 ltr./118 kW, 2.0 ltr./147 kW, 1.6 ltr./77 kW TDI CR with mechanical gearbox |