A | Battery |
B | Starter |
J47 | Heated windscreen relay |
J519 | Vehicle voltage control unit |
SA5 | Fuse 5 on fuse holder A |
SB3 | Fuse 3 on fuse holder B |
SB6 | Fuse 6 on fuse holder B |
SB7 | Fuse 7 on fuse holder B |
SB12 | Fuse 12 on fuse holder B |
SB17 | Fuse 17 on fuse holder B |
SB19 | Fuse 19 on fuse holder B |
T40a | 40-pin connector, at the E box |
T52a | 52-pin connector, at onboard supply control unit (black) |
T52b | 52-pin connector, at onboard supply control unit (white) |
T52c | 52-pin connector, at onboard supply control unit (brown) |
1 | Earth strap, battery body |
12 | Earth point on left in engine compartment |
14 | Earth point on gearbox |
366 | Earth connection 1 in main wiring harness |
371 | Earth connection 6 in main wiring harness |
B317 | Positive connection 3 (30a) in main wiring harness |
*1 | depending upon the engine identification characters |
G70 | Air mass meter |
J13 | Fresh air blower relay |
J345 | Trailer detector control unit |
J519 | Vehicle voltage control unit |
J667 | Power output module for left headlight |
J668 | Power output module for right headlight |
N79 | Heating resistor for crankcase ventilation |
SC7 | Fuse 7 on fuse holder C |
SC8 | Fuse 8 on fuse holder C |
SC9 | Fuse 9 on fuse holder C |
SC10 | Fuse 10 on fuse holder C |
SC11 | Fuse 11 on fuse holder C |
T14c | 14-pin connector, at left headlight |
T14d | 14-pin connector, at right headlight |
B273 | Positive connection (15) in main wiring harness |
E9 | Fresh air blower switch |
J519 | Vehicle voltage control unit |
J786 | Heated rear seat control unit |
SC29 | Fuse 29 on fuse holder C |
SC30 | Fuse 30 on fuse holder C |
SC31 | Fuse 31 on fuse holder C |
SC40 | Fuse 40 on fuse holder C |
SC41 | Fuse 41 on fuse holder C |
SC42 | Fuse 42 on fuse holder C |
SC46 | Fuse 46 on fuse holder C |
T8m | 8-pin connector, at radio (black) |
Z20 | Heater element, left washer jet |
Z21 | Heater element, right washer jet |
B273 | Positive connection (15) in main wiring harness |
B346 | Connection 1 (75) in main wiring harness |
B348 | Connection 1 (75a), in main wiring harness |
*1 | on vehicles with radio pre-installation - Aftermarket |
J255 | Climatronic control unit |
J301 | Air conditioning system control unit |
J386 | Door control unit, driver side |
J387 | Door control unit, front passenger side |
J388 | Door control unit, rear left |
J389 | Door control unit, rear right |
J519 | Vehicle voltage control unit |
R64 | Auxiliary heating radio controlled receiver |
SC12 | Fuse 12 on fuse holder C |
SC13 | Fuse 13 on fuse holder C |
SC14 | Fuse 14 on fuse holder C |
SC15 | Fuse 15 on fuse holder C |
SC16 | Fuse 16 on fuse holder C |
SC17 | Fuse 17 on fuse holder C |
T52b | 52-pin connector, at onboard supply control unit (white) |
B316 | Positive connection 2 (30a) in main wiring harness |
B321 | Positive connection 7 (30a) in main wiring harness |
B323 | Positive connection 9 (30a) in main wiring harness |
B325 | Positive connection 11 (30a) in main wiring harness |
B333 | Positive connection 19 (30a) in main wiring harness |
E313 | Selector lever |
J17 | Fuel pump relay |
J126 | Fresh air blower control unit |
J386 | Door control unit, driver side |
J387 | Door control unit, front passenger side |
J519 | Vehicle voltage control unit |
J538 | Fuel pump control unit |
J749 | Additional heater fuel pump relay |
J832 | Additional fuel pump relay |
SC22 | Fuse 22 on fuse holder C |
SC23 | Fuse 23 on fuse holder C |
SC24 | Fuse 24 on fuse holder C |
SC25 | Fuse 25 on fuse holder C |
SC26 | Fuse 26 on fuse holder C |
SC27 | Fuse 27 on fuse holder C |
T10j | 10-pin connector, behind right dash panel |
B315 | Positive connection 1 (30a) in main wiring harness |
B320 | Positive connection 6 (30a) in main wiring harness |
B325 | Positive connection 11 (30a) in main wiring harness |
*1 | not valid for engine identification characters CFFB, CLJA, CBBB |
*2 | for engine identification characters CFFB, CLJA, CBBB |
G273 | Interior monitoring sensor |
H12 | Alarm horn |
J39 | Headlight washer system relay |
J245 | Sliding sunroof control unit |
J388 | Door control unit, rear left |
J389 | Door control unit, rear right |
J394 | Control unit for roof roller blind |
J519 | Vehicle voltage control unit |
J774 | Heated front seat control unit |
SC32 | Fuse 32 on fuse holder C |
SC33 | Fuse 33 on fuse holder C |
SC34 | Fuse 34 on fuse holder C |
SC35 | Fuse 35 on fuse holder C |
SC36 | Fuse 36 on fuse holder C |
SC37 | Fuse 37 on fuse holder C |
B322 | Positive connection 8 (30a) in main wiring harness |
B324 | Positive connection 10 (30a) in main wiring harness |
E22 | Intermittent wiper switch |
E34 | Rear wiper switch |
E38 | Intermittent wiper control |
J519 | Vehicle voltage control unit |
J527 | Steering column electronics control unit |
T20a | 20-pin connector, at steering column electronics control unit |
366 | Earth connection 1 in main wiring harness |
371 | Earth connection 6 in main wiring harness |
605 | Earth point on top end of steering column |
639 | Earth point on left A-pillar |
B397 | Connection 1 (convenience CAN bus, High) in main wiring harness |
B406 | Connection 1 (convenience CAN bus, Low) in main 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 | Vehicle voltage control unit |
J527 | Steering column electronics control unit |
N376 | Ignition key withdrawal lock solenoid |
T20a | 20-pin connector, at steering column electronics control unit |
T52c | 52-pin connector, at onboard supply control unit (brown) |
B626 | Positive connection 2 (15) in main wiring harness |
*1 | not valid for vehicles with multi-function steering wheel |
*2 | for vehicles with automatic gearbox |
G397 | Rain and light detector sensor |
J400 | Wiper motor control unit |
J519 | Vehicle voltage control unit |
T3e | 3-pin connector, on rain and light detector sensor |
T4d | 4-pin connector, at windscreen wiper motor, driver side |
T52b | 52-pin connector, at onboard supply control unit (white) |
V216 | Windscreen wiper motor, driver side |
368 | Earth connection 3 in main wiring harness |
375 | Earth connection 10 in main wiring harness |
B316 | Positive connection 2 (30a) in main wiring harness |
B528 | Connection 1 (LIN-Bus) in main wiring harness |
J519 | Vehicle voltage control unit |
T4br | 4-pin connector, in rear lid |
T4bs | 4-pin connector, at rear window wiper motor |
T5k | 5-pin connector, in luggage compartment, left (black) |
T52a | 52-pin connector, at onboard supply control unit (black) |
T52b | 52-pin connector, at onboard 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 | Vehicle voltage control unit |
L9 | Lamp for light switch illumination |
T10b | 10-pin connector, at light switch |
T52a | 52-pin connector, at onboard supply control unit (black) |
T52b | 52-pin connector, at onboard supply control unit (white) |
368 | Earth connection 3 in main wiring harness |
B316 | Positive connection 2 (30a) in main wiring harness |
B340 | Connection 1 (58d) in main wiring harness |
B341 | Connection 2 (58d) in main wiring harness |
*1 | on vehicles with fog lights |
J519 | Vehicle voltage 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 |
T52a | 52-pin connector, at onboard supply control unit (black) |
T52c | 52-pin connector, at onboard supply control unit (brown) |
V48 | Headlight range control motor, left |
367 | Earth connection 2 in main wiring harness |
375 | Earth connection 10 in main wiring harness |
671 | Earth point 1 at front left longitudinal member |
B279 | Positive connection 3 (15a) in main wiring harness |
B455 | Connection (HRC) in main wiring harness |
*2 | not valid for vehicles with headlights with gas discharge lamps |
E20 | Switch and instrument lighting rheostat |
E102 | Headlight range control adjuster |
J519 | Vehicle voltage control unit |
L54 | Bulb for lighting of headlight range control adjuster |
M3 | Side light bulb, right |
M7 | Turn signal bulb, front right |
M31 | Dipped beam bulb, right |
M32 | Main beam bulb, right |
T8a | 8-pin connector, at switch and instrument lighting rheostat |
T10d | 10-pin connector, at right headlight |
T52a | 52-pin connector, at onboard supply control unit (black) |
T52b | 52-pin connector, at onboard supply control unit (white) |
T52c | 52-pin connector, at onboard supply control unit (brown) |
V49 | Headlight range control motor, right |
13 | Earth point, on right in engine compartment |
367 | Earth connection 2 in main wiring harness |
376 | Earth connection 11 in main wiring harness |
639 | Earth point on left A-pillar |
B279 | Positive connection 3 (15a) in main wiring harness |
B340 | Connection 1 (58d) in main wiring harness |
B455 | Connection (HRC) in main wiring harness |
*2 | not valid for vehicles with headlights with gas discharge lamps |
J519 | Vehicle voltage control unit |
M4 | Tail light bulb, left |
M6 | Turn signal bulb, rear left |
M16 | Reversing light bulb, left |
M21 | Brake and tail light bulb, left |
M41 | Tail and rear fog light bulb, left |
T5m | 5-pin connector, in luggage compartment, left (pink) |
T8v | 8-pin connector, on left tail light |
T52a | 52-pin connector, at onboard supply control unit (black) |
T52c | 52-pin connector, at onboard supply control unit (brown) |
Y7 | Automatic anti-dazzle interior mirror |
50 | Earth point in luggage compartment, left |
370 | Earth connection 5 in main wiring harness |
B520 | Connection (RF) in main wiring harness |
*1 | on vehicles with automatic anti-dazzle mirrors |
J519 | Vehicle voltage control unit |
M2 | Tail light bulb, right |
M8 | Turn signal bulb, rear right |
M17 | Reversing light bulb, right |
M22 | Brake and tail light bulb, right |
M42 | Tail and rear fog light bulb, right |
T8w | 8-pin connector, on right tail light |
T52a | 52-pin connector, at onboard supply control unit (black) |
T52c | 52-pin connector, at onboard supply control unit (brown) |
51 | Earth point in luggage compartment, right |
369 | Earth connection 4 in main wiring harness |
J9 | Heated rear window relay |
J519 | Vehicle voltage control unit |
M25 | Bulb for high level brake light |
T5k | 5-pin connector, in luggage compartment, left (black) |
T5l | 5-pin connector, in luggage compartment, left (brown) |
T52a | 52-pin connector, at onboard supply control unit (black) |
T52b | 52-pin connector, at onboard supply control unit (white) |
T52c | 52-pin connector, at onboard supply control unit (brown) |
X | Number plate light |
Z1 | Heated rear window |
98 | Earth connection in rear lid wiring harness |
654 | Earth point on right D-pillar |
B316 | Positive connection 2 (30a) in main wiring harness |
W11 | Connection (58) in rear lid wiring harness |
E229 | Hazard warning lights button |
F | Brake light switch |
F4 | Reversing light switch |
F47 | Brake pedal switch |
J519 | Vehicle voltage control unit |
J623 | Engine control unit |
K6 | Hazard warning light system warning lamp |
L76 | Bulb for button lighting |
T4c | 4-pin connector, at brake pedal switch |
T6a | 6-pin connector, at hazard warning lights button |
T52a | 52-pin connector, at onboard supply control unit (black) |
T52b | 52-pin connector, at onboard supply control unit (white) |
T52c | 52-pin connector, at onboard supply control unit (brown) |
367 | Earth connection 2 in main wiring harness |
368 | Earth connection 3 in main wiring harness |
373 | Earth connection 8 in main wiring harness |
B280 | Positive connection 4 (15a) in main wiring harness |
B335 | Connection 1 (54) in main wiring harness |
*1 | not valid for vehicles with automatic gearbox |
*2 | see current flow diagram engine |
E139 | Sliding sunroof adjustment regulator |
E616 | Deactivation button of interior monitoring and vehicle inclination |
J519 | Vehicle voltage control unit |
L76 | Bulb for button lighting |
L150 | Centre console illumination bulb |
T6b | 6-pin connector, on the front interior light |
T52b | 52-pin connector, at onboard supply control unit (white) |
T52c | 52-pin connector, at onboard supply control unit (brown) |
W1 | Front interior light |
W13 | Front passenger reading light |
W19 | Reading lamp, driver side |
Y7 | Automatic anti-dazzle interior mirror |
368 | Earth connection 3 in main wiring harness |
B341 | Connection 2 (58d) in main wiring harness |
B559 | Positive connection 1 (30g) in main wiring harness |
B632 | Connection (interior light, 31) in main wiring harness |
*1 | for vehicles with anti-theft alarm system |
*2 | for vehicles with electrical sliding roof |
*3 | on vehicles with automatic anti-dazzle mirrors |
*4 | for vehicles without panoramic sliding roof |
F147 | Vanity mirror contact switch, driver side |
F148 | Vanity mirror contact switch, front passenger side |
J519 | Vehicle voltage control unit |
T5a | 5-pin connector, on the rear interior light |
W14 | illuminated vanity mirror, front passenger side |
W20 | illuminated vanity mirror, driver side |
W43 | Rear interior light |
W44 | Rear centre reading light |
368 | Earth connection 3 in main wiring harness |
B559 | Positive connection 1 (30g) in main wiring harness |
*4 | for vehicles without panoramic sliding roof |
F256 | Rear lid lock unit |
J519 | Vehicle voltage control unit |
T4e | 4-pin connector, rear lid lock unit |
T5l | 5-pin connector, in luggage compartment, left (brown) |
T5m | 5-pin connector, in luggage compartment, left (pink) |
T52a | 52-pin connector, at onboard supply control unit (black) |
T52b | 52-pin connector, at onboard supply control unit (white) |
V53 | Central locking motor in rear lid |
W6 | Glove box light |
W51 | Rear lid light |
98 | Earth connection in rear lid wiring harness |
373 | Earth connection 8 in main wiring harness |
B447 | Connection (luggage compartment light) in main wiring harness |
B559 | Positive connection 1 (30g) in main wiring harness |
W84 | Positive connection (30g) in rear lid wiring harness |
W85 | Connection (luggage compartment light) in rear lid wiring harness |
J519 | Vehicle voltage control unit |
T10e | 10-pin connector, under driver seat |
T10f | 10-pin connector, under front passenger seat |
T52b | 52-pin connector, at onboard supply control unit (white) |
W9 | Left footwell light |
W10 | Right footwell light |
W45 | Rear left footwell light |
W46 | Rear right footwell light |
367 | Earth connection 2 in main wiring harness |
368 | Earth connection 3 in main wiring harness |
373 | Earth connection 8 in main wiring harness |
B433 | Connection (footwell light) in main wiring harness |
*1 | Optional equipement |
J519 | Vehicle voltage control unit |
L50 | Rear centre ashtray light bulb |
L159 | Storage compartment illumination bulb in rear centre console |
T4f | 4-pin connector, on the digital clock |
Y2 | Digital clock |
372 | Earth connection 7 in main wiring harness |
374 | Earth connection 9 in main wiring harness |
638 | Earth point on right A-pillar |
B316 | Positive connection 2 (30a) in main wiring harness |
B341 | Connection 2 (58d) 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 |
D2 | Immobilizer reading coil |
F9 | Handbrake warning switch |
F34 | Brake fluid level warning contact |
J285 | Control unit in dash panel insert |
J362 | Immobilizer control unit |
J519 | Vehicle voltage control unit |
K | Dash panel insert |
K7 | Dual circuit and hand brake system warning light |
T32a | 32-pin connector, at dash panel insert |
371 | Earth connection 6 in main wiring harness |
374 | Earth connection 9 in main wiring harness |
377 | Earth connection 12 in main wiring harness |
B278 | Positive connection 2 (15a) in main wiring harness |
G17 | Ambient temperature sensor |
G32 | Coolant shortage indicator sender |
G33 | Windscreen washer fluid level sender |
J119 | Multi-function display |
J285 | Control unit in dash panel insert |
J519 | Vehicle voltage control unit |
K | Dash panel insert |
K28 | Coolant temperature and coolant shortage indicator warning light |
K106 | Washer fluid low warning lamp |
T32a | 32-pin connector, at dash panel insert |
410 | Earth connection 1 (sender earth) in main wiring harness |
*1 | Optional equipement |
*2 | on vehicles with multi-function display (MFD) |
F266 | Bonnet contact switch |
G34 | Brake lining/pad wear sender, front left |
G266 | Oil level and oil temperature sender |
J285 | Control unit in dash panel insert |
J519 | Vehicle voltage control unit |
K | Dash panel insert |
K32 | Brake pad/lining warning light |
K38 | Oil level warning light |
T6j | 6-pin connector, on front left in engine compartment (black) |
T32a | 32-pin connector, at dash panel insert |
T52a | 52-pin connector, at onboard supply control unit (black) |
367 | Earth connection 2 in main wiring harness |
376 | Earth connection 11 in main wiring harness |
J285 | Control unit in dash panel insert |
J519 | Vehicle voltage control unit |
K | Dash panel insert |
K19 | Seat belt warning light |
K29 | Glow period warning light |
K83 | Exhaust emissions warning lamp |
K116 | Rear lid open warning light |
K132 | Electronic power control fault lamp |
K161 | Electro/mechanical power steering warning light |
K166 | Door open warning light |
K170 | Bulb failure warning light |
K171 | Bonnet open warning light |
K231 | Diesel particle filter warning light |
*1 | for petrol engines |
*2 | for diesel engines |
*3 | for vehicles with diesel particle filter |
G5 | Rev. Counter |
G21 | Speedometer |
H3 | Buzzer and gong |
J245 | Sliding sunroof control unit |
J285 | Control unit in dash panel insert |
J519 | Vehicle voltage control unit |
J533 | Data bus diagnostic interface |
K | Dash panel insert |
K169 | Selector lever lock warning light |
K220 | Warning light for tyre pressure display |
T8m | 8-pin connector, at radio (black) |
T20c | 20-pin connector, at data bus diagnostic interface |
T32a | 32-pin connector, at dash panel insert |
Y4 | Odometer display |
Y6 | Selector lever position indicator |
B464 | Connection (speed signal) in main wiring harness |
B708 | Connection 1 (CAN bus dash panel insert High) in main wiring harness |
B709 | Connection 1 (CAN bus dash panel insert Low) in main wiring harness |
*1 | for vehicles with automatic gearbox |
*2 | on vehicles with electrical sliding roof or with radio pre-installation - Aftermarket |
*3 | for vehicles with electrical sliding roof |
*4 | on vehicles with radio pre-installation - Aftermarket |
J519 | Vehicle voltage control unit |
J533 | Data bus diagnostic interface |
T20c | 20-pin connector, at data bus diagnostic interface |
T52c | 52-pin connector, at onboard supply control unit (brown) |
B383 | Connection 1 (drive train CAN bus High) in main wiring harness |
B390 | Connection 1 (drive train CAN bus Low) 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 |
B415 | Connection 1 (Infotainment CAN bus, High) in main wiring harness |
B421 | Connection 1 (Infotainment CAN bus, Low) in main wiring harness |
J234 | Airbag control unit |
J245 | Sliding sunroof control unit |
J394 | Control unit for roof roller blind |
J519 | Vehicle voltage control unit |
J533 | Data bus diagnostic interface |
T16b | 16-pin connector, for diagnostic connection, below the left dash panel |
T20c | 20-pin connector, at data bus diagnostic interface |
371 | Earth connection 6 in main wiring harness |
B625 | Connection (diagnosis wire K), in main wiring harness |
*1 | on some vehicles, depending upon the engine identification character |
*2 | for vehicles with panoramic sliding roof |