| A | Battery |
| B | Starter |
| F138 | Airbag coil connector and return ring with slip ring |
| H | Horn plate |
| H2 | Treble horn |
| H7 | Bass horn |
| J4 | Dual tone horn relay |
| T5 | 5-pin connector, yellow, behind steering column switch trim |
| T6k | 6-pin connector, red, right A-pillar coupling station |
| T10t | 10-pin connector, red, left A-pillar coupling station |
| 1 | Earth strap, battery body |
| 6 | Earth strap, engine - alternator |
| 13 | Earth point, right in engine compartment |
| 30 | Earth point 1, next to relay plate |
| 81 | Earth connection 1, in dash panel wiring harness |
| 179 | Earth connection, in left headlight wiring harness |
| 500 | Screw connection 1 (30), on relay plat |
| 502 | Threaded connection 1 (30a) on relay plate |
| A72 | Connection (71), in dash panel wiring harness |
| A90 | Connection (dual tone horn), in dash panel wiring harness |
| * | Only models with diesel engine |
| M1 | Left side light bulb |
| M5 | Front left turn signal bulb |
| M29 | Left dipped beam bulb |
| M30 | Left main beam bulb |
| S19 | Fuse in relay plate fuse holder |
| S21 | Fuse in relay plate fuse holder |
| S223 | Fuse in fuse holder |
| T10k | 10-pin connector |
| T10s | 10-pin connector, pink, left A-pillar coupling station |
| T10t | 10-pin connector, red, left A-pillar coupling station |
| V48 | Left headlight range control motor |
| 44 | Earth point, lower part of left A-pillar |
| 135 | Earth connection 2, in dash panel wiring harness |
| 179 | Earth connection, in left headlight wiring harness |
| A6 | Positive connection (left turn signal), in dash panel wiring harness |
| A51 | Connection (56), in dash panel wiring harness |
| A84 | Connection (58L), in dash panel wiring harness |
| A95 | Connection 1 (56a), in dash panel wiring harness |
| C17 | Connection (56b) 1, in front lighting wiring harness |
| E1 | Light switch |
| E20 | Illumination regulator, switches, instruments |
| E23 | Front and rear fog light switch |
| E102 | Headlight range control regulator |
| L9 | Light switch illumination bulb |
| L54 | Headlight range control regulator illumination bulb |
| S236 | Fuse in fuse holder |
| T6i | 6-pin connector, black |
| T10t | 10-pin connector, red, left A-pillar coupling station |
| 81 | Earth connection 1, in dash panel wiring harness |
| 135 | Earth connection 2, in dash panel wiring harness |
| 503 | Screw connection (75x), on relay plate |
| A3 | Positive connection (58), in dash panel wiring harness |
| A19 | Connection (58d), in dash panel wiring harness |
| A32 | Positive connection (30), in dash panel wiring harness |
| A51 | Connection (56), in dash panel wiring harness |
| A80 | Connection 1 (X), in dash panel wiring harness |
| A84 | Connection (58L), in dash panel wiring harness |
| A85 | Connection (58R), in dash panel wiring harness |
| M3 | Right side light bulb |
| M7 | Front right turn signal bulb |
| M31 | Right dipped beam bulb |
| M32 | Right main beam bulb |
| S18 | Fuse in relay plate fuse holder |
| S20 | Fuse in relay plate fuse holder |
| S22 | Fuse in relay plate fuse holder |
| T6d | 6-pin connector, pink, right A-pillar coupling station |
| T6k | 6-pin connector, red, right A-pillar coupling station |
| T10j | 10-pin connector |
| V49 | Right headlight range control motor |
| 43 | Earth point, lower part of right A-pillar |
| 135 | Earth connection 2, in dash panel wiring harness |
| 176 | Earth connection, in right headlight wiring harness |
| A5 | Positive connection (right turn signal), in dash panel wiring harness |
| A51 | Connection (56), in dash panel wiring harness |
| A85 | Connection (58R), in dash panel wiring harness |
| A95 | Connection 1 (56a), in dash panel wiring harness |
| C18 | Connection (56b) 2, in front lighting wiring harness |
| B | Starter |
| D | Ignition/starter switch |
| J... | Engine control unit |
| R | Radio |
| S237 | Fuse in fuse holder |
| T8 | 8-pin connector, black, on radio |
| T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
| T10d | 10-pin connector, brown, on protective housing for control units on left in engine compartment |
| 506 | Screw connection 3 (30), on relay plat |
| 610 | Earth point (audio), front below centre console |
| A2 | Positive connection (15), in dash panel wiring harness |
| A19 | Connection (58d), in dash panel wiring harness |
| A21 | Connection (86s), in dash panel wiring harness |
| A23 | Connection (30al), in dash panel wiring harness |
| A32 | Positive connection (30), in dash panel wiring harness |
| A98 | Positive connection 4 (30), in dash panel wiring harness |
| * | Only models with headlight washer system |
| E2 | Turn signal switch |
| E4 | Headlight dipper and flasher switch |
| E19 | Parking light switch |
| J59 | X-contact relief relay |
| T12 | 12-pin connector, on right next to steering column |
| 81 | Earth connection 1, in dash panel wiring harness |
| A5 | Positive connection (right turn signal), in dash panel wiring harness |
| A6 | Positive connection (left turn signal), in dash panel wiring harness |
| A32 | Positive connection (30), in dash panel wiring harness |
| A51 | Connection (56), in dash panel wiring harness |
| A84 | Connection (58L), in dash panel wiring harness |
| A85 | Connection (58R), in dash panel wiring harness |
| A95 | Connection 1 (56a), in dash panel wiring harness |
| * | Only models with headlight washer system |
| E3 | Hazard warning light switch |
| J1 | Turn signal relay |
| J393 | Convenience system central control unit |
| K6 | Hazard warning light system warning lamp |
| L28 | Cigarette lighter illumination bulb |
| L35 | Hazard warning light switch illumination bulb |
| L67 | Left dash panel vent illumination bulb |
| L68 | Centre dash panel vent illumination bulb |
| L69 | Right dash panel vent illumination bulb |
| S233 | Fuse in fuse holder |
| T2c | 2-pin connector, black, on right behind dash panel |
| T7a | 7-connector, black, on hazard warning light switch |
| T10f | 10-pin connector, blue, left A-pillar coupling station |
| T23 | 23-pin connector |
| U1 | Cigarette lighter |
| W6 | Glove compartment light |
| 30 | Earth point 1, next to relay plate |
| 81 | Earth connection 1, in dash panel wiring harness |
| A5 | Positive connection (right turn signal), in dash panel wiring harness |
| A6 | Positive connection (left turn signal), in dash panel wiring harness |
| A19 | Connection (58d), in dash panel wiring harness |
| A32 | Positive connection (30), in dash panel wiring harness |
| W36 | Positive connection (30a), in floor wiring harness |
| J285 | Control unit in dash panel insert |
| J533 | Data bus diagnostic interface |
| S5 | Fuse in relay plate fuse holder |
| S12 | Fuse in relay plate fuse holder |
| S13 | Fuse in relay plate fuse holder |
| S15 | Fuse in relay plate fuse holder |
| S231 | Fuse in fuse holder |
| S239 | Fuse in fuse holder |
| S240 | Fuse in fuse holder |
| T10d | 10-pin connector, brown, on protective housing for control units on left in engine compartment |
| T16 | 16-pin connector, near handbrake lever, self-diagnosis connection |
| T32a | 32-pin connector, blue, on dash panel insert |
| T32b | 32-pin connector, green, on dash panel insert |
| 81 | Earth connection 1, in dash panel wiring harness |
| A1 | Positive connection (30a), in dash panel wiring harness |
| A2 | Positive connection (15), in dash panel wiring harness |
| A21 | Connection (86s), in dash panel wiring harness |
| A32 | Positive connection (30), in dash panel wiring harness |
| A70 | Connection (15a, fuse 231), in dash panel wiring harness |
| A74 | Connection (15a, fuse 5), in dash panel wiring harness |
| A76 | Connection (K-diagnosis wire), in dash panel wiring harness |
| D52 | Positive connection (15a), in engine compartment wiring harness |
| * | Only models with diesel engine |
| D2 | Immobilizer reader coil |
| H16 | Lights switched on warning buzzer |
| J... | Engine control unit |
| J104 | ABS with EDL control unit |
| J234 | Airbag control unit |
| J285 | Control unit in dash panel insert |
| J362 | Immobilizer control unit |
| J533 | Data bus diagnostic interface |
| K65 | Left turn signal warning lamp |
| K94 | Right turn signal warning lamp |
| K117 | Immobilizer warning lamp |
| L75 | Digital display illumination bulb |
| T10n | 10-pin connector, orange, right A-pillar coupling station |
| T10p | 10-pin connector, yellow, right A-pillar coupling station |
| T15s | 15-pin connector, red, on protective housing for control units on left in engine compartment |
| T32a | 32-pin connector, blue, on dash panel insert |
| T32b | 32-pin connector, green, on dash panel insert |
| A5 | Positive connection (right turn signal), in dash panel wiring harness |
| A6 | Positive connection (left turn signal), in dash panel wiring harness |
| A19 | Connection (58d), in dash panel wiring harness |
| A84 | Connection (58L), in dash panel wiring harness |
| A85 | Connection (58R), in dash panel wiring harness |
| A121 | Connection (high bus), in dash panel wiring harness |
| A122 | Connection (low bus), in dash panel wiring harness |
| C | Alternator |
| F9 | Handbrake warning switch |
| G5 | Rev. counter |
| G21 | Speedometer |
| G266 | Oil level and oil temperature sender |
| J... | Engine control unit |
| J104 | ABS with EDL control unit |
| J285 | Control unit in dash panel insert |
| J393 | Convenience system central control unit |
| K2 | Alternator warning lamp |
| K7 | Dual circuit brakes/handbrake warning lamp |
| K13 | Rear fog light warning lamp |
| T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
| T10d | 10-pin connector, brown, on protective housing for control units on left in engine compartment |
| T10f | 10-pin connector, blue, left A-pillar coupling station |
| T10w | 10-pin connector, grey, right A-pillar coupling station |
| T32a | 32-pin connector, blue, on dash panel insert |
| T32b | 32-pin connector, green, on dash panel insert |
| Y2 | Digital clock |
| Y4 | Odometer display |
| 135 | Earth connection 2, in dash panel wiring harness |
| A17 | Connection (61), in dash panel wiring harness |
| A26 | Connection (driver door contact switch), in dash panel wiring harness |
| A115 | Connection (handbrake warning), in dash panel wiring harness |
| * | Only models with ESP |
| ** | Not for engine code BGW |
| F120 | Anti-theft alarm system contact switch |
| G | Fuel gauge sender |
| G2 | Coolant temperature display sender |
| G17 | Ambient temperature sensor |
| G33 | Windscreen washer fluid level sender |
| J285 | Control unit in dash panel insert |
| J393 | Convenience system central control unit |
| K1 | Main beam warning lamp |
| K106 | Washer fluid low warning lamp |
| T2a | 2-pin connector, blue, front left in engine compartment |
| T6c | 6-pin connector, blue, left A-pillar coupling station |
| T10a | 10-pin connector, brown, left A-pillar coupling station |
| T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
| T10s | 10-pin connector, pink, left A-pillar coupling station |
| T10t | 10-pin connector, red, left A-pillar coupling station |
| T14k | 14-pin connector, black |
| T15 | 15-pin connector |
| T15k | 15-pin connector, grey |
| T32a | 32-pin connector, blue, on dash panel insert |
| T32b | 32-pin connector, green, on dash panel insert |
| 269 | Earth connection (sender earth) 1, in dash panel wiring harness |
| A73 | Connection (ambient temperature display), in dash panel wiring harness |
| A91 | Connection (signal for dash panel insert), in dash panel wiring harness |
| E38 | Intermittent wipe regulator |
| E86 | Multifunction display call-up button |
| E109 | Multifunction display memory switch |
| F34 | Brake fluid level warning contact |
| G22 | Speedometer sender, on gearbox |
| J31 | Automatic intermittent wash and wipe relay, on 13 position relay plate, control number |
| J119 | Multifunction display |
| J285 | Control unit in dash panel insert |
| K118 | Brake system warning lamp |
| T6e | 6-pin connector, black, on right next to steering column |
| T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
| T10c | 10-pin connector, violet, left A-pillar coupling station |
| T32a | 32-pin connector, blue, on dash panel insert |
| T32b | 32-pin connector, green, on dash panel insert |
| V | Windscreen wiper motor |
| 81 | Earth connection 1, in dash panel wiring harness |
| 135 | Earth connection 2, in dash panel wiring harness |
| 151 | Earth connection 1, in front wiring harness |
| A49 | Connection 1, in dash panel wiring harness |
| A52 | Positive connection 2 (30), in dash panel wiring harness |
| A60 | Connection (speed signal), in dash panel wiring harness |
| * | Only models with headlight washer system |
| E22 | Intermittent wiper switch |
| J31 | Automatic intermittent wash and wipe relay, on 13 position relay plate, control number |
| T1 | 1-pin connector, brown, left A-pillar coupling station |
| T8b | 8-pin connector, black, on intermittent wiper switch |
| T10s | 10-pin connector, pink, left A-pillar coupling station |
| T10t | 10-pin connector, red, left A-pillar coupling station |
| V11 | Headlight washer system pump |
| V59 | Windscreen and rear window washer pump |
| 28 | Earth point, on bulkhead |
| 81 | Earth connection 1, in dash panel wiring harness |
| 135 | Earth connection 2, in dash panel wiring harness |
| A156 | Connection (53c), in dash panel wiring harness |
| * | Only models with headlight washer system |
| ** | Only saloon |
| --- | Only Variant |
| E9 | Fresh air blower switch |
| E159 | Fresh air/air recirculation flap switch |
| K114 | Fresh air and air recirculation warning lamp |
| L16 | Fresh air regulator illumination bulb |
| N24 | Fresh air blower series resistor with overheating fuse |
| S2 | Fuse in relay plate fuse holder |
| S224 | Fuse in fuse holder |
| S225 | Fuse in fuse holder |
| S227 | Fuse in fuse holder |
| T4a | 4-pin connector, black, on series resistor |
| T6g | 6-pin connector, natural, on fresh air blower switch |
| T6m | 6-pin connector, black, right A-pillar coupling station |
| T8a | 8-pin connector, black, on fresh air blower and air recirculation switch |
| T8e | 8-pin connector, black, on right in luggage compartment |
| V2 | Fresh air blower |
| V12 | Rear window wiper motor |
| V154 | Fresh air/recirculated air flap control motor |
| 98 | Earth connection, in rear lid wiring harness |
| 135 | Earth connection 2, in dash panel wiring harness |
| 503 | Screw connection (75x), on relay plate |
| 616 | Earth point, on luggage compartment light |
| A156 | Connection (53c), in dash panel wiring harness |
| --- | Only Variant |
| E15 | Heated rear window switch |
| J... | Engine control unit |
| K10 | Heated rear window warning lamp |
| L39 | Heated rear window switch illumination bulb |
| S4 | Fuse in relay plate fuse holder |
| S226 | Fuse in fuse holder |
| T2 | 2-pin connector, in rear lid |
| T2m | 2-pin connector, black |
| T2n | 2-pin connector, black |
| T6 | 6-pin connector, black, on left in luggage compartment (only Variant) |
| T6c | 6-pin connector, blue, left A-pillar coupling station |
| T6h | 6-pin connector, black, on heated rear window switch |
| T8e | 8-pin connector, black, on right in luggage compartment |
| T10a | 10-pin connector, brown, left A-pillar coupling station |
| T15s | 15-pin connector, red, on protective housing for control units on left in engine compartment |
| X | Number plate light |
| Z1 | Heated rear window |
| 41 | Earth point, under rear shelf |
| 77 | Earth point, lower part of left B-pillar |
| 87 | Earth connection 2, in rear wiring harness |
| 98 | Earth connection, in rear lid wiring harness |
| 196 | Earth connection 3, in rear wiring harness |
| A64 | Connection (30, speed boost), in dash panel wiring harness |
| W11 | Connection (58), in rear lid wiring harness |
| * | Only saloon |
| --- | Only Variant |
| F | Brake light switch |
| L46 | Rear left fog light bulb |
| L131 | Driver side exterior mirror turn signal bulb |
| M6 | Rear left turn signal bulb |
| M16 | Left reversing light bulb |
| M21 | Left brake and tail light bulb |
| M25 | High level brake light bulb |
| T2x | 2-pin connector, near luggage compartment light (only saloon) |
| T6 | 6-pin connector, black, on left in luggage compartment (only Variant) |
| T6a | 6-pin connector, left tail light |
| T6c | 6-pin connector, blue, left A-pillar coupling station |
| T10a | 10-pin connector, brown, left A-pillar coupling station |
| T10g | 10-pin connector, green, left A-pillar coupling station |
| 87 | Earth connection 2, in rear wiring harness |
| A89 | Connection 2 (54) in dash panel wiring harness |
| W1 | Positive connection 1 (54), in rear wiring harness |
| W73 | Positive connection (left turn signal, in floor wiring harness |
| * | Only Variant |
| F4 | Reversing light switch |
| L132 | Front passenger side exterior mirror turn signal bulb |
| M8 | Rear right turn signal bulb |
| M17 | Right reversing light bulb |
| M22 | Right brake and tail light bulb |
| T3s | 3-pin connector, red, on protective housing for control units on left in engine compartment |
| T6b | 6-pin connector, right tail light |
| T6c | 6-pin connector, blue, left A-pillar coupling station |
| T10a | 10-pin connector, brown, left A-pillar coupling station |
| T10w | 10-pin connector, grey, right A-pillar coupling station |
| 78 | Earth point, lower part of right B-pillar |
| 197 | Earth connection 4, in rear wiring harness |
| A87 | Connection (RL), in dash panel wiring harness |
| W1 | Positive connection 1 (54), in rear wiring harness |
| W72 | Positive connection (right turn signal, in floor wiring harness |
| * | Only Variant |
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