D | Ignition/starter switch |
F319 | Selector lever locked in position P switch |
J519 | Onboard supply control unit |
J527 | Steering column electronics control unit |
N376 | Ignition key withdrawal lock solenoid, on ignition/starter switch |
SC | Fuse holder C |
SC24 | Fuse 24 on fuse holder C |
SC25 | Fuse 25 on fuse holder C |
T6l | 6-pin connector |
T10s | 10-pin connector, under selector lever |
T12j | 12-pin connector |
T16f | 16-pin connector |
T20d | 20-pin connector |
T52b | 52-pin connector |
T52c | 52-pin connector |
B170 | Positive connection 2 (30), in interior wiring harness |
B276 | Positive connection (50), in main wiring harness |
B290 | Positive connection 14 (15a) in main wiring harness |
E26 | Connection (selector position P/N), in Motronic wiring harness |
* | Up to July 2010 |
*2 | Only models with automatic gearbox |
*3 | From August 2010 |
*4 | Only applicable to special vehicles |
*5 | Only models with stop/start system |
E2 | Turn signal switch |
E4 | Headlight dipper and flasher switch |
E22 | Intermittent wiper switch |
E34 | Rear wiper switch |
E38 | Intermittent wiper regulator |
E44 | Washer pump switch (automatic wash/wipe and headlight washer system) |
E45 | Cruise control system switch |
E86 | Multifunction display call-up button |
E109 | Multifunction display memory switch |
E227 | Cruise control system (CCS) SET button |
J519 | Onboard supply control unit |
J527 | Steering column electronics control unit |
J623 | Engine control unit |
T8y | 8-pin connector |
T10y | 10-pin connector |
T16f | 16-pin connector |
B441 | Connection (CCS), in main wiring harness |
* | Only models with multifunction display |
*2 | Only models with cruise control system |
*3 | From August 2010 |
*4 | Up to July 2010 |
J519 | Onboard supply control unit |
L22 | Left 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 |
T2bc | 2-pin connector |
T10i | 10-pin connector, on left headlight |
T52a | 52-pin connector |
T52c | 52-pin connector |
119 | Earth connection 1, in headlight wiring harness |
376 | Earth connection 11, in main wiring harness |
392 | Earth connection 27, in main wiring harness |
655 | Earth point, on left headlight |
B144 | Positive connection (58L), in interior wiring harness |
B581 | Positive connection (left indicator lamp), in interior wiring harness |
C69 | Front left connection (fog light),, in main wiring harness |
E20 | Switch and instrument illumination regulator |
E102 | Headlight range control regulator |
J519 | Onboard supply control unit |
L105 | Illumination regulator illumination bulb |
T8e | 8-pin connector |
T10i | 10-pin connector, on left headlight |
T52b | 52-pin connector |
T52c | 52-pin connector |
V48 | Left headlight range control motor |
119 | Earth connection 1, in headlight wiring harness |
376 | Earth connection 11, in main wiring harness |
B457 | Connection 1 (potentiometer), in main wiring harness |
* | Only models with headlight range control |
*2 | From February 2012 |
F266 | Bonnet contact switch |
H2 | Treble horn |
H7 | Bass horn |
J4 | Dual tone horn relay |
J519 | Onboard supply control unit |
T10j | 10-pin connector, on right headlight |
T52a | 52-pin connector |
T52b | 52-pin connector |
V49 | Right headlight range control motor |
376 | Earth connection 11, in main wiring harness |
378 | Earth connection 13, in main wiring harness |
A90 | Connection (dual tone horn), in dash panel wiring harness |
B457 | Connection 1 (potentiometer), in main wiring harness |
B521 | Connection (dual tone horn), in main wiring harness |
* | Only models with headlight range control |
*2 | According to equipment |
*3 | From January 2010 |
*4 | Up to January 2010 |
*5 | From February 2012 |
J519 | Onboard supply control unit |
L23 | Right fog light bulb |
M3 | Right side light bulb |
M7 | Front right turn signal bulb |
M31 | Right headlight dipped beam bulb |
M32 | Right headlight main beam bulb |
T2bd | 2-pin connector |
T10j | 10-pin connector, on right headlight |
T52a | 52-pin connector |
T52c | 52-pin connector |
120 | Earth connection 2, in headlight wiring harness |
378 | Earth connection 13, in main wiring harness |
393 | Earth connection 28, in main wiring harness |
656 | Earth point, on right headlight |
B143 | Positive connection (58R), in interior wiring harness |
B582 | Positive connection (right indicator lamp), interior wiring harness |
B643 | Connection 2 (56a), in main wiring harness |
B662 | Connection 2 (56b), in main wiring harness |
D59 | Connection (fog light), in engine compartment wiring harness |
J519 | Onboard supply control unit |
L46 | Rear left fog light bulb |
M2 | Right tail light bulb |
M4 | Left tail light bulb |
M6 | Rear left turn signal bulb |
M17 | Right reversing light bulb |
M21 | Left brake and tail light bulb |
T3au | 3-pin connector |
T3aw | 3-pin connector |
T3ax | 3-pin connector |
T5a | 5-pin connector, in rear left side panel |
T5c | 5-pin connector, in rear left side panel |
T5e | 5-pin connector, in rear left side panel |
T52a | 52-pin connector |
T52c | 52-pin connector |
98 | Earth connection, in rear lid wiring harness |
369 | Earth connection 4, in main wiring harness |
662 | Earth point, rear left side panel |
A87 | Connection (RL), in dash panel wiring harness |
J519 | Onboard supply control unit |
M8 | Rear right turn signal bulb |
M22 | Right brake and tail light bulb |
M25 | Additional brake light bulb |
T2aj | 2-pin connector, under rear bumper on right |
T3av | 3-pin connector |
T5a | 5-pin connector, in rear left side panel |
T8l | 8-pin connector |
T52a | 52-pin connector |
T52c | 52-pin connector |
X | Number plate light |
86 | Earth connection 1, in rear wiring harness |
98 | Earth connection, in rear lid wiring harness |
345 | Earth connection, in bumper wiring harness |
682 | Earth point 2, in rear right side panel |
W41 | Positive connection (58), in number plate lights wiring harness |
X149 | Connection (5V), rear bumper wiring harness |
* | Only models with rear parking aid |
*2 | From February 2012 |
F256 | Rear lid lock unit |
J386 | Driver door control unit |
J387 | Front passenger door control unit |
J519 | Onboard supply control unit |
L131 | Driver side turn signal repeater bulb |
L132 | Front passenger side turn signal repeater bulb |
T4ab | 4-pin connector |
T5c | 5-pin connector, in rear left side panel |
T16a | 16-pin connector |
T16g | 16-pin connector |
T20a | 20-pin connector |
T20b | 20-pin connector |
T28 | 28-pin connector, in left A-pillar coupling station |
T28a | 28-pin connector, in right A-pillar coupling station |
T52a | 52-pin connector |
W3 | Luggage compartment light |
195 | Earth connection, in rear door switch wiring harness |
205 | Earth connection, in driver door wiring harness |
206 | Earth connection, in front passenger door wiring harness |
* | From August 2011 |
E229 | Hazard warning lights button |
F4 | Reversing light switch |
J9 | Heated rear window relay |
J519 | Onboard supply control unit |
K6 | Indicator lamp for hazard warning light |
T5a | 5-pin connector |
T6 | 6-pin connector |
T52a | 52-pin connector |
T52b | 52-pin connector |
T52c | 52-pin connector |
47 | Earth point, in front right footwell |
366 | Earth connection 1, in main wiring harness |
387 | Earth connection 22, in main wiring harness |
388 | Earth connection 23, in main wiring harness |
* | According to equipment |
*2 | Only models with manual gearbox |
*3 | Up to January 2010 |
*4 | From January 2010 |
G397 | Rain and light sensor |
J400 | Wiper motor control unit |
J519 | Onboard supply control unit |
T3ae | 3-pin connector |
T4q | 4-pin connector |
T4u | 4-pin connector |
T5e | 5-pin connector, in rear left side panel |
T52a | 52-pin connector |
T52b | 52-pin connector |
V | Windscreen wiper motor |
V12 | Rear window wiper motor |
V59 | Windscreen and rear window washer pump |
387 | Earth connection 22, in main wiring harness |
B183 | Connection 1 (washer pump), in interior wiring harness |
B184 | Connection 2 (washer pump), in interior wiring harness |
B528 | Connection 1 (LIN bus) in main wiring harness |
* | According to equipment |
*2 | Only models with rain sensor |
E26 | Glove compartment light switch |
J519 | Onboard supply control unit |
T52b | 52-pin connector |
T52c | 52-pin connector |
W6 | Glove compartment light |
44 | Earth point, lower part of left A-pillar |
367 | Earth connection 2, in main wiring harness |
387 | Earth connection 22, in main wiring harness |
389 | Earth connection 24, in main wiring harness |
605 | Earth point, on top end of steering column |
B559 | Positive connection 1 (30g) in main wiring harness |
J519 | Onboard supply control unit |
L65 | Sliding sunroof switch illumination bulb |
L156 | Switch illumination bulb |
T2t | 2-pin connector |
T6a | 6-pin connector |
T6b | 6-pin connector |
T8d | 8-pin connector, near front interior light |
T52c | 52-pin connector |
W1 | Front interior light |
W13 | Front passenger reading light |
W19 | Driver side reading light |
Y7 | Automatic anti-dazzle interior mirror |
347 | Earth connection, in roof wiring harness |
380 | Earth connection 15, in main wiring harness |
389 | Earth connection 24, in main wiring harness |
B154 | Connection 1 (DCt), in interior wiring harness |
B250 | Positive connection, in roof wiring harness |
B559 | Positive connection 1 (30g) in main wiring harness |
B603 | Positive connection 2 (30g) in main wiring harness |
* | Only models with sliding/tilting sunroof |
*2 | Only models with automatic anti-dazzle interior mirror |
*3 | Flat conductor |
*4 | Only models with rain sensor |
*5 | Only models with warning function for brake pad wear |
F147 | Driver vanity mirror contact switch |
F148 | Front passenger vanity mirror contact switch |
J29 | Blocking diode |
J519 | Onboard supply control unit |
L28 | Cigarette lighter illumination bulb |
T5y | 5-pin connector |
U1 | Cigarette lighter |
W11 | Rear left reading light |
W12 | Rear right reading light |
W14 | Front passenger side illuminated vanity mirror |
W20 | Driver side illuminated vanity mirror |
W43 | Rear interior light |
47 | Earth point, in front right footwell |
347 | Earth connection, in roof wiring harness |
390 | Earth connection 25, in main wiring harness |
B250 | Positive connection, in roof wiring harness |
B348 | Connection 1 (75a), in main wiring harness |
* | Flat conductor |
J519 | Onboard supply control unit |
J533 | Data bus diagnostic interface, in left footwell, near centre console |
J623 | Engine control unit |
T16 | 16-pin connector, on left under dash panel |
T20 | 20-pin connector |
T52c | 52-pin connector |
U31 | Diagnostic connection |
A76 | Connection (K-diagnosis wire), in dash panel wiring harness |
B383 | Connection 1 (powertrain CAN bus, high), in main wiring harness |
B390 | Connection 1 (powertrain CAN bus, low), in main wiring harness |
B397 | Connection 1 (convenience CAN bus, high), in main wiring harness |
B398 | Connection 2 (convenience CAN bus, high), in main wiring harness |
B406 | Connection 1 (convenience CAN bus, low), in main wiring harness |
B407 | Connection 2 (convenience CAN bus, low), in main wiring harness |
H3 | Buzzer and gong |
J285 | Control unit in dash panel insert |
J533 | Data bus diagnostic interface, in left footwell, near centre console |
K31 | Cruise control system warning lamp |
K166 | Door open warning lamp |
K170 | Bulb failure warning lamp |
T20 | 20-pin connector |
T32 | 32-pin connector |
A178 | Connection (infotainment CAN bus, high), in dash panel wiring harness |
A179 | Connection (infotainment CAN bus, low), in dash panel wiring harness |
A225 | Connection 2 (infotainment CAN bus, high) in dash panel wiring harness |
A226 | Connection 2 (infotainment CAN bus, low) in dash panel wiring harness |
D2 | Immobiliser reader coil |
F1 | Oil pressure switch |
F9 | Handbrake warning switch |
F34 | Brake fluid level warning contact |
G34 | Front left brake pad wear sender |
J285 | Control unit in dash panel insert |
J362 | Immobiliser control unit |
K2 | Alternator warning lamp |
K3 | Oil pressure warning lamp |
K14 | Handbrake warning lamp |
K32 | Brake pad warning lamp |
K65 | Left turn signal warning lamp |
K94 | Right turn signal warning lamp |
K116 | Rear lid open warning lamp |
K118 | Brake system warning lamp |
T14a | 14-pin connector, near battery |
T32 | 32-pin connector |
381 | Earth connection 16, in main wiring harness |
B379 | Connection 1 (brake pad wear indicator), in main wiring harness |
B380 | Connection 2 (brake pad wear indicator), in main wiring harness |
G | Fuel gauge sender |
G1 | Fuel gauge |
G3 | Coolant temperature gauge |
G17 | Ambient temperature sensor |
G32 | Coolant shortage indicator sender |
G33 | Windscreen washer fluid level sender |
J119 | Multifunction indicator |
J285 | Control unit in dash panel insert |
J538 | Fuel pump control unit |
K28 | Coolant temperature and coolant shortage warning lamp |
K37 | Washer fluid level warning lamp |
K105 | Reserve fuel warning lamp |
T2z | 2-pin connector |
T5b | 5-pin connector |
T10n | 10-pin connector |
T32 | 32-pin connector |
410 | Earth connection 1 (sender earth) in main wiring harness |
* | see applicable current flow diagram for engine |