| J519 | Onboard supply control unit |
| SC | Fuse holder C |
| SC3 | Fuse 3 on fuse holder C |
| SC20 | Fuse 20 on fuse holder C |
| SC23 | Fuse 23 on fuse holder C |
| SC27 | Fuse 27 on fuse holder C |
| SC29 | Fuse 29 on fuse holder C |
| SC36 | Fuse 36 on fuse holder C |
| SC43 | Fuse 43 on fuse holder C |
| SC44 | Fuse 44 on fuse holder C |
| SC53 | Fuse 53 on fuse holder C |
| SC60 | Fuse 60 on fuse holder C |
| T73a | 73-pin connector |
| T73b | 73-pin connector |
| A1 | Positive connection (30a), in dash panel wiring harness |
| A250 | Positive connection 1 (58), in special vehicle wiring harness |
| B111 | Positive connection 1 (30a), in interior wiring harness |
| B151 | Positive connection 3 (30a), in interior wiring harness |
| B156 | Positive connection (30a), in interior wiring harness |
| B320 | Positive connection 6 (30a) in main wiring harness |
| * | Only models with entry and start authorisation |
| 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 |
| T73a | 73-pin connector |
| T73b | 73-pin connector |
| V48 | Left headlight range control motor |
| 108 | Earth connection 2, in front left wiring harness |
| 417 | Earth connection 9, in engine compartment wiring harness |
| 418 | Earth connection 10, in engine compartment wiring harness |
| 672 | Earth point 2, on front of left longitudinal member |
| B455 | Connection (HRC), in main wiring harness |
| C25 | Connection (fog light), in front lighting wiring harness |
| C69 | Front left connection (fog light),, in main wiring harness |
| J519 | Onboard supply control unit |
| L46 | Rear left fog light bulb |
| L47 | Rear right fog light bulb |
| M2 | Right tail light bulb |
| MX3 | Left tail light |
| M4 | Left tail light bulb |
| MX5 | Left tail light 2 |
| MX6 | Right tail light 2 |
| M6 | Rear left turn signal bulb |
| M9 | Left brake light bulb |
| M16 | Left reversing light bulb |
| M17 | Right reversing light bulb |
| T5ac | 5-pin connector |
| T5ad | 5-pin connector |
| T5af | 5-pin connector |
| T73a | 73-pin connector |
| T73b | 73-pin connector |
| 86 | Earth connection 1, in rear wiring harness |
| B144 | Positive connection (58L), in interior wiring harness |
| C20 | Connection (left turn signal), in headlight wiring harness |
| W71 | Connection (reversing light), in rear wiring harness |
| E234 | Rear lid handle release button |
| F5 | Luggage compartment light switch |
| 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 |
| V254 | Rear lid electric opener motor |
| X4 | Left number plate light |
| X5 | Right number plate light |
| 50 | Earth point, on left in luggage compartment |
| 86 | Earth connection 1, in rear wiring harness |
| 98 | Earth connection, in rear lid wiring harness |
| 424 | Earth connection 2, in left rear end wiring harness |
| A3 | Positive connection (58), in dash panel wiring harness |
| B605 | Connection 1, in interior 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 | High-level brake light bulb |
| T2dn | 2-pin connector |
| T2x | 2-pin connector |
| T5ae | 5-pin connector |
| T8f | 8-pin connector |
| T32c | 32-pin connector |
| T73a | 73-pin connector |
| T73b | 73-pin connector |
| V56 | Driver door central locking motor |
| V155 | Tank filler flap locking motor |
| 75 | Earth point, rear right pillar |
| 86 | Earth connection 1, in rear wiring harness |
| B131 | Connection (54), in interior wiring harness |
| B143 | Positive connection (58R), in interior wiring harness |
| B465 | Connection 1, in main wiring harness |
| B466 | Connection 2, in main wiring harness |
| C30 | Connection 2 (right turn signal), in headlight wiring harness |
| 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 |
| T12b | 12-pin connector |
| T12c | 12-pin connector |
| T28a | 28-pin connector |
| T32c | 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 |
| 236 | Earth connection 2, in window regulator/central locking and convertible roof wiring harness |
| 747 | Earth point 3, left A-pillar |
| 801 | Earth connection 2, in external mirror wiring harness |
| U25 | Connection (15), in manual gearbox wiring harness |
| U27 | Connection (RL), in gearbox switch wiring harness |
| * | Only models with manual gearbox |
| 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 |
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| T16ls | 16-pin connector |
| T73a | 73-pin connector |
| T73b | 73-pin connector |
| T121 | 121-pin connector |
| 238 | Earth connection 1, in interior wiring harness |
| B441 | Connection (CCS), in main wiring harness |
| * | Only models with cruise control system (CCS) |
| *2 | Only models with multifunction steering wheel |
| E229 | Hazard warning lights button |
| F138 | Airbag coil connector and return ring with slip ring |
| H | Horn plate |
| J234 | Airbag control unit |
| J519 | Onboard supply control unit |
| K6 | Indicator lamp for hazard warning light |
| N95 | Driver side airbag igniter |
| T6c | 6-pin connector |
| T12k | 12-pin connector |
| T16k | 16-pin connector |
| T50 | 50-pin connector |
| T73a | 73-pin connector |
| T73b | 73-pin connector |
| 277 | Earth connection 3, in interior wiring harness |
| 278 | Earth connection 4, in interior wiring harness |
| 752 | Earth point 3, on right A-pillar |
| * | Only models with no multifunction steering wheel |
| *2 | Only models with multifunction steering wheel |
| G213 | Rain sensor |
| H2 | Treble horn |
| H7 | Bass 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 |
| T3ae | 3-pin connector |
| T73a | 73-pin connector |
| T73b | 73-pin connector |
| Z1 | Heated rear window |
| 13 | Earth point, on right in engine compartment |
| 83 | Earth connection 1, in front right wiring harness |
| 124 | Earth connection, in right side engine compartment wiring harness |
| 657 | Earth point 1, on left near rear window |
| 671 | Earth point 1, on front of left longitudinal member |
| 682 | Earth point 2, in rear right side panel |
| B180 | Connection (heated rear window), in interior wiring harness |
| B698 | Connection 3 (LIN bus) in main wiring harness |
| B727 | Connection (71a), in main wiring harness |
| * | According to equipment |
| J519 | Onboard supply control unit |
| T2aq | 2-pin connector |
| T6b | 6-pin connector |
| T73a | 73-pin connector |
| W1 | Front interior light |
| W3 | Luggage compartment light |
| W39 | Left centre reading light |
| W40 | Right centre reading light |
| 249 | Earth connection 2, in interior wiring harness |
| 347 | Earth connection, in roof wiring harness |
| B154 | Connection 1 (DCt), in interior wiring harness |
| B559 | Positive connection 1 (30g) in main wiring harness |
| B603 | Positive connection 2 (30g) in main wiring harness |
| 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 |
| 230 | Earth connection 1, in window regulators/central locking and convertible roof wiring harness |
| 752 | Earth point 3, on right A-pillar |
| B559 | Positive connection 1 (30g) in main wiring harness |
| B603 | Positive connection 2 (30g) in main wiring harness |
| F | Brake light switch |
| J29 | Blocking diode |
| 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 |
| 118 | Earth connection, in cigar lighter wiring harness |
| 752 | Earth point 3, on right A-pillar |
| B162 | Connection (75a), in interior wiring harness |
| B335 | Connection 1 (54), in main wiring harness |
| D180 | Connection (87a), in engine compartment wiring harness |
| * | According to equipment |
| D2 | Immobiliser reader coil |
| F9 | Handbrake warning switch |
| F34 | Brake fluid level warning contact |
| F266 | Bonnet contact switch |
| J285 | Control unit in dash panel insert |
| J362 | Immobiliser control unit |
| J519 | Onboard supply control unit |
| K | Dash panel insert |
| K75 | Airbag warning lamp |
| K132 | Electronic power control fault lamp |
| K155 | Warning lamp for electronic stabilisation program and TCS |
| K169 | Selector lever lock warning lamp |
| T2ap | 2-pin connector |
| T2bm | 2-pin connector |
| T2n | 2-pin connector |
| T2w | 2-pin connector |
| T32 | 32-pin connector |
| T73a | 73-pin connector |
| 82 | Earth connection 1, in front left wiring harness |
| A20 | Positive connection (15a), in dash panel wiring harness |
| * | According to equipment |
| F1 | Oil pressure switch |
| G17 | Ambient temperature sensor |
| G32 | Coolant shortage indicator sender |
| J119 | Multifunction indicator |
| 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 |
| K105 | Reserve fuel warning lamp |
| T2cw | 2-pin connector |
| T2dk | 2-pin connector |
| T14 | 14-pin connector |
| T32 | 32-pin connector |
| B453 | Connection 1 (sensor), in main wiring harness |
| J285 | Control unit in dash panel insert |
| J519 | Onboard supply control unit |
| K | Dash panel insert |
| K1 | Main beam warning lamp |
| K3 | Oil pressure warning lamp |
| K19 | Seat belt warning system warning lamp |
| K28 | Coolant temperature and coolant shortage warning lamp |
| K32 | Brake pad warning lamp |
| K83 | Exhaust emissions warning lamp |
| K115 | Immobiliser warning lamp |
| K118 | Brake system warning lamp |
| K205 | Warning lamp for daytime running lights |
| T32 | 32-pin connector |
| B708 | Connection 1 (dash panel insert CAN bus high) in main wiring harness |
| B709 | Connection 1 (dash panel insert CAN bus low) in main wiring harness |
| J104 | ABS control unit |
| J234 | Airbag control unit |
| J255 | Climatronic control unit |
| J301 | Air conditioning system control unit |
| J519 | Onboard supply control unit |
| J533 | Data bus diagnostic interface |
| T16 | 16-pin connector |
| T20c | 20-pin connector |
| T47 | 47-pin connector |
| T50 | 50-pin connector |
| T73b | 73-pin connector |
| U31 | Diagnostic connection |
| B315 | Positive connection 1 (30a) in main 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 |
| B713 | Connection 1 (CAN bus diagnosis, high), in main wiring harness |
| B714 | Connection 1 (CAN bus diagnosis, low), in main wiring harness |
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