B | Starter |
D | Ignition/starter switch |
J519 | Onboard supply control unit |
J682 | Terminal 50 voltage supply relay |
J935 | Converter box |
T9c | 9-pin connector |
T10 | 10-pin connector |
T10i | 10-pin connector |
T73a | 73-pin connector |
T73b | 73-pin connector |
A15 | Positive connection (15), in instrument wiring harness |
A33 | Connection (75), in dash panel wiring harness |
A41 | Positive connection (50), in dash panel wiring harness |
B218 | Positive connection 6 (30), in interior wiring harness |
B239 | Positive connection 1 (50), in interior wiring harness |
B346 | Connection 1 (75), in main wiring harness |
* | Up to May 2013 |
*2 | From June 2013 |
*3 | Wiring colour depends on equipment |
J329 | Terminal 15 voltage supply relay |
J519 | Onboard supply control unit |
J681 | Terminal 15 voltage supply relay 2 |
SC | Fuse holder C |
SC1 | Fuse 1 on fuse holder C |
SC10 | Fuse 10 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 |
SC27 | Fuse 27 on fuse holder C |
T9f | 9-pin connector |
T9g | 9-pin connector |
A201 | Positive connection 6 (15a) in dash panel wiring harness |
B149 | Positive connection 2 (15a), in interior wiring harness |
B163 | Positive connection 1 (15), in interior wiring harness |
B218 | Positive connection 6 (30), in interior wiring harness |
B346 | Connection 1 (75), in main wiring harness |
* | From June 2013 |
*2 | Cross section depends on equipment |
*3 | Only models with manual gearbox |
*4 | Up to May 2013 |
J519 | Onboard supply control unit |
SC | Fuse holder C |
SC3 | Fuse 3 on fuse holder C |
SC6 | Fuse 6 on fuse holder C |
SC7 | Fuse 7 on fuse holder C |
SC8 | Fuse 8 on fuse holder C |
SC21 | Fuse 21 on fuse holder C |
SC22 | Fuse 22 on fuse holder C |
SC23 | Fuse 23 on fuse holder C |
SC24 | Fuse 24 on fuse holder C |
SC36 | Fuse 36 on fuse holder C |
SC39 | Fuse 39 on fuse holder C |
SC44 | Fuse 44 on fuse holder C |
SC55 | Fuse 55 on fuse holder C |
T73a | 73-pin connector |
A1 | Positive connection (30a), in dash panel wiring harness |
A32 | Positive connection (30), in dash panel wiring harness |
A167 | Positive connection 3 (30a) in dash panel wiring harness |
B169 | Positive connection 1 (30), in interior wiring harness |
B170 | Positive connection 2 (30), in interior wiring harness |
B171 | Positive connection 3 (30), in interior wiring harness |
B172 | Positive connection 4 (30), in interior wiring harness |
B219 | Positive connection 4 (30a), in interior wiring harness |
* | From June 2013 |
*2 | Cross section depends on equipment |
*3 | Wiring colour depends on equipment |
J519 | Onboard supply control unit |
J680 | Terminal 75 voltage supply relay 1 |
SC | Fuse holder C |
SC5 | Fuse 5 on fuse holder C |
SC18 | Fuse 18 on fuse holder C |
SC19 | Fuse 19 on fuse holder C |
SC30 | Fuse 30 on fuse holder C |
SC31 | Fuse 31 on fuse holder C |
SC32 | Fuse 32 on fuse holder C |
SC33 | Fuse 33 on fuse holder C |
SC34 | Fuse 34 on fuse holder C |
SC37 | Fuse 37 on fuse holder C |
SC38 | Fuse 38 on fuse holder C |
SC54 | Fuse 54 on fuse holder C |
T9x | 9-pin connector |
A83 | Connection (daytime running lights), in dash panel wiring harness |
B167 | Connection (56b), in interior wiring harness |
* | Up to June 2012 |
*2 | Only models with daytime running lights |
*3 | Wiring colour depends on equipment |
*4 | According to equipment |
*5 | Only for American markets |
*6 | Cross section depends on equipment |
*7 | Only models with rear fog light |
*8 | From July 2012 |
J519 | Onboard supply control unit |
L22 | Left fog light bulb |
L23 | Right fog light bulb |
L174 | Left daytime running light bulb |
M1 | Left side light bulb |
MX1 | Front left headlight |
M5 | Front left turn signal bulb |
M29 | Left headlight dipped beam bulb |
M30 | Left headlight main beam bulb |
T2dg | 2-pin connector |
T2dh | 2-pin connector |
T10l | 10-pin connector |
121 | Earth connection 2, in front right wiring harness |
179 | Earth connection, in left headlight wiring harness |
376 | Earth connection 11, in main wiring harness |
655 | Earth point, on left headlight |
B142 | Positive connection 2 (56a), in interior wiring harness |
B522 | Connection (FL), in main wiring harness |
* | According to equipment |
*2 | Cross section depends on equipment |
*3 | Only models with daytime running lights |
*4 | Wiring colour depends on equipment |
*5 | Only for American markets |
E20 | Switch and instrument illumination regulator |
J519 | Onboard supply control unit |
L76 | Button illumination bulb |
L175 | Right daytime running light bulb |
MX2 | Front right headlight |
M3 | Right side light bulb |
M7 | Front right turn signal bulb |
M31 | Right headlight dipped beam bulb |
M32 | Right headlight main beam bulb |
T3i | 3-pin connector |
T10r | 10-pin connector |
A3 | Positive connection (58), in dash panel wiring harness |
* | Cross section depends on equipment |
*2 | Only models with daytime running lights |
*3 | Only for American markets |
E1 | Light switch |
E7 | Fog light switch |
E18 | Rear fog light switch |
J519 | Onboard supply control unit |
K17 | Fog light warning lamp |
K209 | Automatic control of lights warning lamp |
L9 | Light switch illumination bulb |
T17 | 17-pin connector |
T73a | 73-pin connector |
T73b | 73-pin connector |
388 | Earth connection 23, in main wiring harness |
A170 | Connection 2 (58R), in dash panel wiring harness |
B10 | Positive connection (30), in light switch wiring harness |
B340 | Connection 1 (58d), in main wiring harness |
* | If fitted |
*2 | According to equipment |
*3 | Cross section depends on equipment |
*4 | Only models with rear fog light |
J519 | Onboard supply control unit |
L46 | Rear left fog light bulb |
M2 | Right tail light bulb |
MX3 | Left tail light |
M4 | Left tail light bulb |
MX5 | Left tail light 2 |
M6 | Rear left turn signal bulb |
MX6 | Right tail light 2 |
M9 | Left brake light bulb |
M16 | Left reversing light bulb |
M17 | Right reversing light bulb |
T4a | 4-pin connector |
T4c | 4-pin connector |
T4d | 4-pin connector |
T73a | 73-pin connector |
T73b | 73-pin connector |
86 | Earth connection 1, in rear wiring harness |
A6 | Positive connection (left turn signal), in dash panel wiring harness |
A84 | Connection (58L), in dash panel wiring harness |
A88 | Connection (RFL), in dash panel wiring harness |
* | Only models with rear fog light |
*2 | Only models with no US equipment |
E234 | Rear lid handle release button |
F256 | Rear lid lock unit |
J519 | Onboard supply control unit |
T2dx | 2-pin connector |
T2dy | 2-pin connector |
T2t | 2-pin connector |
T4u | 4-pin connector |
T73a | 73-pin connector |
V53 | Rear lid central locking motor |
X | Number plate light |
86 | Earth connection 1, in rear wiring harness |
437 | Earth connection, in number plate wiring harness |
662 | Earth point, rear left side panel |
A126 | Connection (rear lid contact switch), in dash panel wiring harness |
B128 | Connection (luggage compartment light), in interior wiring harness |
W41 | Positive connection (58), in number plate lights wiring harness |
J519 | Onboard supply control unit |
M2 | Right tail light bulb |
MX4 | Right tail light |
M8 | Rear right turn signal bulb |
M10 | Right brake light bulb |
M25 | Additional brake light bulb |
T2dn | 2-pin connector |
T2x | 2-pin connector |
T4b | 4-pin connector |
T8f | 8-pin connector |
T28 | 28-pin connector, lower part of A-pillar, driver side |
T32 | 32-pin connector |
T73a | 73-pin connector |
T73b | 73-pin connector |
V56 | Driver door central locking motor |
V155 | Tank filler flap locking motor |
87 | Earth connection 2, in rear wiring harness |
682 | Earth point 2, in rear right side panel |
A5 | Positive connection (right turn signal), in dash panel wiring harness |
A85 | Connection (58R), in dash panel wiring harness |
A89 | Connection 2 (54) in dash panel wiring harness |
B214 | Connection 1 (central locking), in interior wiring harness |
B216 | Connection 3 (central locking), in interior wiring harness |
* | According to equipment |
F4 | Reversing light switch |
J519 | Onboard supply control unit |
L131 | Driver side turn signal repeater bulb |
L132 | Front passenger side turn signal repeater bulb |
T2fi | 2-pin connector |
T2sl | 2-pin connector, in driver side exterior mirror housing |
T2sr | 2-pin connector |
T12b | 12-pin connector, in driver door |
T12c | 12-pin connector, in front passenger door |
T28 | 28-pin connector, lower part of A-pillar, driver side |
T28a | 28-pin connector, lower part of A-pillar, front passenger side |
T32 | 32-pin connector |
T73b | 73-pin connector |
107 | Earth connection, in external mirror wiring harness |
205 | Earth connection, in driver door wiring harness |
206 | Earth connection, in front passenger door wiring harness |
801 | Earth connection 2, in external mirror wiring harness |
A217 | Positive connection 8 (15a) in dash panel wiring harness |
B182 | Connection (RL), in interior wiring harness |
* | According to equipment |
*2 | Only models with manual gearbox |
*3 | Up to May 2013 |
*4 | Only models with automatic gearbox |
*5 | Wiring colour depends on equipment |
E2 | Turn signal switch |
E4 | Headlight dipper and flasher switch |
EX19 | Left steering column switch |
E45 | Cruise control system switch |
E227 | Cruise control system (CCS) SET button |
J5 | Fog light relay |
J331 | Dipped beam relay |
J519 | Onboard supply control unit |
J623 | Engine control unit |
T9h | 9-pin connector |
T9n | 9-pin connector |
T16ls | 16-pin connector |
T73a | 73-pin connector |
T73b | 73-pin connector |
A9 | Positive connection (56b), in instruments wiring harness |
A51 | Connection (56), in dash panel wiring harness |
B441 | Connection (CCS), in main wiring harness |
* | Only models with cruise control system (CCS) |
*2 | Only for American markets |
*3 | According to equipment |
*4 | Cross section depends on equipment |
EX20 | Right steering column switch |
E22 | Intermittent wiper switch |
E38 | Intermittent wiper regulator |
E44 | Washer pump switch (automatic wash/wipe and headlight washer system) |
F138 | Airbag coil connector and return ring with slip ring |
H | Horn plate |
J234 | Airbag control unit |
J519 | Onboard supply control unit |
N95 | Driver side airbag igniter |
T2bv | 2-pin connector |
T4k | 4-pin connector |
T10ls | 10-pin connector |
T12k | 12-pin connector |
T16k | 16-pin connector |
T73a | 73-pin connector |
T73b | 73-pin connector |
V5 | Washer pump |
A156 | Connection (53c), in dash panel wiring harness |
* | According to equipment |
*2 | Cross section depends on equipment |
F138 | Airbag coil connector and return ring with slip ring |
G85 | Steering angle sender |
J519 | Onboard supply control unit |
T16k | 16-pin connector |
T73a | 73-pin connector |
T73b | 73-pin connector |
44 | Earth point, lower part of left A-pillar |
367 | Earth connection 2, in main wiring harness |
368 | Earth connection 3, in main wiring harness |
386 | Earth connection 21, in main wiring harness |
605 | Earth point, on top end of steering column |
B528 | Connection 1 (LIN bus) in main wiring harness |
* | According to equipment |
*2 | Up to May 2013 |
*3 | From June 2013 |
E229 | Hazard warning lights button |
J519 | Onboard supply control unit |
K6 | Indicator lamp for hazard warning light |
T2bt | 2-pin connector |
T2bu | 2-pin connector |
T4p | 4-pin connector |
T6c | 6-pin connector |
T73a | 73-pin connector |
T73b | 73-pin connector |
V | Windscreen wiper motor |
Z20 | Left washer jet heater element |
Z21 | Right washer jet heater element |
43 | Earth point, lower part of right A-pillar |
80 | Earth connection 1, in dash panel wiring harness |
124 | Earth connection, in right side engine compartment wiring harness |
366 | Earth connection 1, in main wiring harness |
C53 | Positive connection (x), in heated washer jets wiring harness |
* | Cross section depends on equipment |
*2 | Up to May 2013 |
*3 | From June 2013 |
F266 | Bonnet contact switch |
H1 | Horn or dual tone horn |
J519 | Onboard supply control unit |
R178 | Frequency modulation (FM) frequency filter in negative wire |
R179 | Frequency modulation (FM) frequency filter in positive wire |
T2di | 2-pin connector |
T2dj | 2-pin connector |
T2n | 2-pin connector, near headlight |
T73a | 73-pin connector |
T73b | 73-pin connector |
Z1 | Heated rear window |
12 | Earth point, on left in engine compartment |
13 | Earth point, on right in engine compartment |
108 | Earth connection 2, in front left wiring harness |
124 | Earth connection, in right side engine compartment wiring harness |
681 | Earth point 1, in rear right side panel |
A184 | Connection (bonnet contact switch), in dash panel wiring harness |
B180 | Connection (heated rear window), in interior wiring harness |
C13 | Positive connection in dual tone horn wiring harness |
* | Only models with dual tone horn |
*2 | Up to May 2013 |
*3 | Cross section depends on equipment |
J519 | Onboard supply control unit |
T2aq | 2-pin connector |
T3am | 3-pin connector |
T6b | 6-pin connector |
T73a | 73-pin connector |
W1 | Front interior light |
W3 | Luggage compartment light |
W13 | Front passenger reading light |
W15 | Interior light with switch-off delay |
W19 | Driver side reading light |
W39 | Left centre reading light |
W40 | Right centre reading light |
347 | Earth connection, in roof wiring harness |
B154 | Connection 1 (DCt), in interior wiring harness |
B250 | Positive connection, in roof wiring harness |
B552 | Positive connection 2, in roof wiring harness |
* | According to equipment |
E26 | Glove compartment light switch |
F147 | Driver vanity mirror contact switch |
F148 | Front passenger vanity mirror contact switch |
J519 | Onboard supply control unit |
T2bi | 2-pin connector |
T2bj | 2-pin connector |
T2bk | 2-pin connector |
T2bl | 2-pin connector |
T2bp | 2-pin connector |
T2br | 2-pin connector |
T3an | 3-pin connector |
W6 | Glove compartment light |
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 |
43 | Earth point, lower part of right A-pillar |
81 | Earth connection 1, in dash panel wiring harness |
347 | Earth connection, in roof wiring harness |
B250 | Positive connection, in roof wiring harness |
B552 | Positive connection 2, in roof wiring harness |
* | Cross section depends on equipment |
F | Brake light switch |
J29 | Blocking diode, in interior wiring harness |
J519 | Onboard supply control unit |
L28 | Cigarette lighter illumination bulb |
T3g | 3-pin connector |
T3h | 3-pin connector |
T3j | 3-pin connector |
T4al | 4-pin connector |
T73a | 73-pin connector |
U1 | Cigarette lighter |
U5 | 12 V socket |
U18 | 12 V socket 2 |
43 | Earth point, lower part of right A-pillar |
374 | Earth connection 9, in main wiring harness |
B131 | Connection (54), in interior wiring harness |
B348 | Connection 1 (75a), in main wiring harness |
D196 | Connection 2 (87a) in engine prewiring harness |
* | According to equipment |
*2 | Only models with dual clutch gearbox (DSG) |
*3 | Only models with manual gearbox |
*4 | Up to May 2013 |
E9 | Fresh air blower switch |
E16 | Heater/heat output switch |
E230 | Heated rear window button |
G143 | Potentiometer for air recirculation flap control motor |
J162 | Heater control unit |
J485 | Auxiliary heater operation relay |
J519 | Onboard supply control unit |
K10 | Heated rear window warning lamp |
K114 | Fresh air and air recirculation warning lamp |
L16 | Fresh air regulator illumination bulb |
N24 | Fresh air blower series resistor with overheating fuse |
T2v | 2-pin connector |
T4f | 4-pin connector |
T5aa | 5-pin connector |
T6s | 6-pin connector |
T10a | 10-pin connector, on heater and air conditioner unit |
T20c | 20-pin connector |
T73a | 73-pin connector |
T73b | 73-pin connector |
V2 | Fresh air blower |
V154 | Fresh air and air recirculation flap control motor |
602 | Earth point, in front left footwell |
L77 | Connection, in fresh air blower wiring harness |
L78 | Connection 1, in fresh air blower wiring harness |
* | Only models with auxiliary coolant heater |
*2 | According to equipment |
*3 | From June 2013 |
*4 | Up to May 2013 |
G1 | Fuel gauge |
G6 | Fuel system pressurisation pump |
G34 | Front left brake pad wear sender |
J285 | Control unit in dash panel insert |
J519 | Onboard supply control unit |
J538 | Fuel pump control unit |
K | Dash panel insert |
K2 | Alternator warning lamp |
K13 | Rear fog light warning lamp |
K47 | ABS warning lamp |
K149 | Engine electronics warning lamp |
T2bb | 2-pin connector |
T5b | 5-pin connector |
T10n | 10-pin connector |
T32 | 32-pin connector |
389 | Earth connection 24, 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 |
* | see applicable current flow diagram for engine |
*2 | According to equipment |
*3 | Only models with no US equipment |
F1 | Oil pressure 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 |
K31 | Cruise control system warning lamp |
K65 | Left turn signal warning lamp |
K94 | Right turn signal warning lamp |
K161 | Electromechanical power steering warning lamp |
T2bw | 2-pin connector |
T2cw | 2-pin connector |
T2dk | 2-pin connector |
T14 | 14-pin connector |
T32 | 32-pin connector |
269 | Earth connection (sender earth) 1, in dash panel wiring harness |
* | Cross section depends on equipment |
EX20 | Right steering column switch |
E86 | Multifunction display call-up button |
E109 | Multifunction display memory switch |
J285 | Control unit in dash panel insert |
J519 | Onboard supply control unit |
K | Dash panel insert |
K3 | Oil pressure warning lamp |
K19 | Seat belt warning system warning lamp |
K28 | Coolant temperature and coolant shortage warning lamp |
K29 | Glow period warning lamp |
K32 | Brake pad warning lamp |
K37 | Washer fluid level warning lamp |
K38 | Oil level warning lamp |
K105 | Reserve fuel warning lamp |
K115 | Immobilizer warning lamp |
K118 | Brake system warning lamp |
T10ls | 10-pin connector |
T32 | 32-pin connector |
* | Only models with multifunction display |
J285 | Control unit in dash panel insert |
J519 | Onboard supply control unit |
K | Dash panel insert |
K1 | Main beam warning lamp |
K83 | Exhaust emissions warning lamp |
K166 | Door open warning lamp |
K170 | Bulb failure warning lamp |
K171 | Bonnet open warning lamp |
K201 | Fuel tank flap lock warning lamp |
K205 | Warning lamp for daytime running lights |
K220 | Tyre Pressure Loss Indicator warning lamp |
T32 | 32-pin connector |
B383 | Connection 1 (powertrain CAN bus, high), in main wiring harness |
B390 | Connection 1 (powertrain CAN bus, low), in main wiring harness |
J104 | ABS control unit |
J234 | Airbag control unit |
J503 | Control unit with display for radio and navigation |
J519 | Onboard supply control unit |
J533 | Data bus diagnostic interface |
J623 | Engine control unit |
J743 | Mechatronic unit for dual clutch gearbox |
T16 | 16-pin connector |
T16d | 16-pin connector |
T26 | 26-pin connector |
T47 | 47-pin connector |
T73b | 73-pin connector |
T75 | 75-pin connector |
A76 | Connection (K-diagnosis wire), in dash panel wiring harness |
B150 | Positive connection 2 (30a), in interior 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 |
B406 | Connection 1 (convenience CAN bus, low), in main wiring harness |
B590 | K-diagnosis wire connection, in interior wiring harness |
* | Diagnostic connection |
*2 | Only models with automatic gearbox |
*3 | Only for American markets |