| A | Battery |
| B | Starter |
| D | Ignition/starter switch |
| J59 | X contact relief relay |
| T8a | 8-pin connector, at ignition/starter switch |
| 1 | Earth strap, battery body |
| 3 | Earth strap, engine - body |
| 13 | Earth point, on right in engine compartment |
| 81 | Earth connection -1-, in dash panel wiring harness |
| A2 | Positive connection (15), in dash panel wiring harness |
| A21 | Positive connection (86s), in dash panel wiring harness |
| A32 | Positive connection (30), in dash panel wiring harness |
| A34 | Connection (75x), in dash panel wiring harness |
| A41 | Positive connection (50), in dash panel wiring harness |
| A52 | Positive connection -2- (30), in dash panel wiring harness |
| *1 | for petrol engines |
| *2 | for diesel engines |
| *3 | not valid for vehicles with day driving lights |
| *4 | not valid for vehicles with automatic gearbox |
| E1 | Light switch |
| E23 | Front and rear fog light switch |
| J5 | Fog light relay |
| L9 | Light switch light bulb |
| T17a | 17-pin connector, at light switch |
| 44a | Earth point -2-, on lower part of left A-pillar |
| 81 | Earth connection -1-, in dash panel wiring harness |
| 135 | Earth connection -2-, in dash panel wiring harness |
| A19 | Connection (58d), in dash panel wiring harness |
| A32 | Positive connection (30), in dash panel wiring harness |
| A34 | Connection (75x), in dash panel wiring harness |
| A43 | Connection (57L), in dash panel wiring harness |
| A44 | Connection (57R), in dash panel wiring harness |
| A51 | Connection (56), in dash panel wiring harness |
| *1 | not valid for vehicles with day driving lights |
| E4 | Headlight dipper/flasher switch |
| L22 | Fog light bulb, left |
| L23 | Fog light bulb, right |
| M1 | Side light bulb, left |
| M3 | Side light bulb, right |
| M30 | Main beam bulb, left |
| M32 | Main beam bulb, right |
| T6a | 6-pin connector, on right A-pillar (pink) |
| T10a | 10-pin connector, on left A-pillar (pink) |
| T10c | 10-pin connector, at left headlight |
| T10d | 10-pin connector, at right headlight |
| T12a | 12-pin connector, at headlight dipper/flasher switch |
| 43 | Earth point, on lower part of right A-pillar |
| 44 | Earth point, on lower part of left A-pillar |
| 176 | Earth connection, in right headlight wiring harness |
| 179 | Earth connection, in left headlight wiring harness |
| A32 | Positive connection (30), in dash panel wiring harness |
| A43 | Connection (57L), in dash panel wiring harness |
| A44 | Connection (57R), in dash panel wiring harness |
| A51 | Connection (56), in dash panel wiring harness |
| A95 | Connection -1- (56a), in dash panel wiring harness |
| A191 | Connection (56aR), in dash panel wiring harness |
| *1 | not valid for vehicles with day driving lights |
| E2 | Turn signal switch |
| E19 | Parking light switch |
| M5 | Turn signal bulb, front left |
| M7 | Turn signal bulb, front right |
| M18 | Side turn signal bulb, left |
| M19 | Side turn signal bulb, right |
| T2a | 2-pin connector, at turn signal, front left |
| T2b | 2-pin connector, at turn signal, front right |
| T6a | 6-pin connector, on right A-pillar (pink) |
| T10a | 10-pin connector, on left A-pillar (pink) |
| T12a | 12-pin connector, at headlight dipper/flasher switch |
| 176 | Earth connection, in right headlight wiring harness |
| 179 | Earth connection, in left headlight wiring harness |
| A5 | Positive connection (right turn signal), in dash panel wiring harness |
| A6 | Positive connection (left turn signal), in dash panel wiring harness |
| A43 | Connection (57L), in dash panel wiring harness |
| A44 | Connection (57R), in dash panel wiring harness |
| C19 | Connection -1- (right turn signal), in headlight wiring harness |
| C20 | Connection (left turn signal), in headlight wiring harness |
| *3 | not valid for vehicles with day driving lights |
| E3 | Hazard warning light switch |
| J2 | Hazard warning light relay |
| K6 | Hazard warning light system warning lamp |
| L35 | Hazard warning light switch bulb |
| T8b | 8-pin connector, at hazard warning light switch |
| 44a | Earth point -2-, on lower part of left A-pillar |
| 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 |
| *1 | only on vehicles with trailer coupling |
| M6 | Turn signal bulb, rear left |
| M9 | Brake light bulb, left |
| M16 | Reversing light bulb, left |
| M41 | Tail light and rear fog light bulb, left |
| T6c | 6-pin connector, at the left tail light |
| T6e | 6-pin connector, on left A-pillar (blue) |
| T10e | 10-pin connector, on left A-pillar (brown) |
| T10f | 10-pin connector, on left A-pillar (white) |
| U10 | Trailer coupling socket |
| 77 | Earth point, on lower part of left B-pillar |
| 86 | Earth connection -1-, in rear wiring harness |
| A6 | Positive connection (left turn signal), in dash panel wiring harness |
| B131 | Connection (54), in interior wiring harness |
| B144 | Connection (58L), in interior wiring harness |
| B152 | Connection (left turn signal), in interior wiring harness |
| B182 | Connection (reversing lights), in interior wiring harness |
| *1 | not valid for vehicles with trailer coupling |
| only on vehicles with trailer coupling |
| M8 | Turn signal bulb, rear right |
| M10 | Brake light bulb, right |
| M17 | Reversing light bulb, right |
| M42 | Tail light and rear fog light bulb, right |
| T6d | 6-pin connector, at the right tail light |
| T10e | 10-pin connector, on left A-pillar (brown) |
| T10f | 10-pin connector, on left A-pillar (white) |
| U10 | Trailer coupling socket |
| 78 | Earth point, on lower part of right B-pillar |
| 87 | Earth connection -2-, in rear wiring harness |
| A5 | Positive connection (right turn signal), in dash panel wiring harness |
| B143 | Connection (58R), in interior wiring harness |
| B153 | Connection (right turn signal), in interior wiring harness |
| B182 | Connection (reversing lights), in interior wiring harness |
| only on vehicles with trailer coupling |
| F4 | Reversing light switch |
| T2c | 2-pin connector, in the rear lid (number plate light) |
| T2t | 2-pin connector, at reversing light switch |
| T3d | 3-pin connector, in plenum chamber (red) |
| T4a | 4-pin connector, at holder for rear lid lock cylinder |
| T5c | 5-pin connector, at reversing light switch |
| T6e | 6-pin connector, on left A-pillar (blue) |
| T10e | 10-pin connector, on left A-pillar (brown) |
| T10k | 10-pin connector, in plenum chamber (brown) |
| X | Number plate light |
| 98 | Earth connection, in rear lid wiring harness |
| A3 | Positive connection (58), in dash panel wiring harness |
| A87 | Connection (reversing lights), in dash panel wiring harness |
| B182 | Connection (reversing lights), in interior wiring harness |
| D136 | Positive connection -2- (15a), in engine compartment wiring harness |
| *1 | for diesel engines |
| *2 | not valid for vehicles with day driving lights |
| *3 | only for engine identification characters AYM |
| *4 | not valid for engine identification characters AYM |
| not valid for vehicles with automatic gearbox |
| J571 | Bulb failure control unit |
| M25 | High level brake light bulbs |
| M29 | Dipped beam bulb, left |
| M31 | Dipped beam bulb, right |
| T2d | 2-pin connector, at high level brake light |
| T6a | 6-pin connector, on right A-pillar (pink) |
| T10a | 10-pin connector, on left A-pillar (pink) |
| T10c | 10-pin connector, at left headlight |
| T10d | 10-pin connector, at right headlight |
| T10f | 10-pin connector, on left A-pillar (white) |
| 86 | Earth connection -1-, in rear wiring harness |
| 135 | Earth connection -2-, in dash panel wiring harness |
| 176 | Earth connection, in right headlight wiring harness |
| 179 | Earth connection, in left headlight wiring harness |
| A18 | Connection (54), in dash panel wiring harness |
| A20 | Positive connection (15a), in dash panel wiring harness |
| C28 | Connection -1- (56bL), in headlight wiring harness |
| C29 | Connection -2- (56bR), in headlight wiring harness |
| *1 | not valid for vehicles with gas discharge lamp |
| E20 | Switches and instruments light regulator |
| E102 | Headlight range control adjuster |
| L54 | Headlight range control/adjuster light bulb |
| T6b | 6-pin connector, on right A-pillar (red) |
| T6f | 6-pin connector, at illumination regulator and headlight range control adjuster |
| T10b | 10-pin connector, on left A-pillar (red) |
| T10c | 10-pin connector, at left headlight |
| T10d | 10-pin connector, at right headlight |
| V48 | Headlight range control motor, left |
| V49 | Headlight range control motor, right |
| 135 | Earth connection -2-, in dash panel wiring harness |
| 179 | Earth connection, in left headlight wiring harness |
| A3 | Positive connection (58), in dash panel wiring harness |
| A19 | Connection (58d), in dash panel wiring harness |
| A51 | Connection (56), in dash panel wiring harness |
| C28 | Connection -1- (56bL), in headlight wiring harness |
| C29 | Connection -2- (56bR), in headlight wiring harness |
| F138 | Coil in steering wheel |
| H | Horn activation |
| H2 | High tone horn |
| H7 | Low tone horn |
| J4 | Horn relay |
| T2g | 2-pin connector, at high tone horn |
| T2h | 2-pin connector, at low tone horn |
| T5a | 5-pin connector, at steering wheel |
| T5b | 5-pin connector, in the steering wheel |
| T6b | 6-pin connector, on right A-pillar (red) |
| T10b | 10-pin connector, on left A-pillar (red) |
| 81 | Earth connection -1-, in dash panel wiring harness |
| 176 | Earth connection, in right headlight wiring harness |
| 179 | Earth connection, in left headlight wiring harness |
| A90 | Connection (horn), in dash panel wiring harness |
| C13 | Connection (horn), in left headlight wiring harness |
| *1 | only for engine identification characters AYM |
| *2 | not valid for engine identification characters AYM |
| not valid for vehicles with multi-function steering wheel |
| E22 | Intermittent wiper switch |
| E38 | Intermittent wiper control |
| J31 | Automatic intermittent wash/wipe relay |
| T2f | 2-pin connector, on the windscreen washer pump |
| T4c | 4-pin connector, at windscreen wiper motor |
| T6g | 6-pin connector, on the intermittent wiper switch |
| T8c | 8-pin connector, on the intermittent wiper switch |
| T10a | 10-pin connector, on left A-pillar (pink) |
| T10b | 10-pin connector, on left A-pillar (red) |
| T10h | 10-pin connector, on left A-pillar (lilac) |
| V | Windscreen wiper motor |
| V5 | Windscreen washer pump |
| 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 |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A49 | Connection -1- (windscreen wiper reactivation), in dash panel wiring harness |
| A156 | Connection (53c), in dash panel wiring harness |
| L42 | Socket light bulb |
| L67 | Dash panel left vent illumination |
| L68 | Dash panel central vent illumination |
| L69 | Dash panel right vent illumination |
| T2j | 2-pin connector, behind dash panel, right |
| T3a | 3-pin connector, on the socket |
| U | Socket |
| U1 | Cigarette lighter |
| 80 | Earth connection, in dash panel wiring harness |
| 81 | Earth connection -1-, in dash panel wiring harness |
| A19 | Connection (58d), in dash panel wiring harness |
| A32 | Positive connection (30), in dash panel wiring harness |
| A116 | Connection -2- (58d), in dash panel wiring harness |
| J698 | Cool box |
| L42 | Socket light bulb |
| L50 | Rear centre ashtray light bulb |
| L87 | Central rear vent illumination |
| S184 | Fuse for socket in luggage compartment, at relay holder |
| S185 | Fuse for rear socket, at additional relay holder above the relay holder |
| T2k | 2-pin connector, on the central rear vent illumination |
| T2l | 2-pin connector, at the rear centre ashtray light bulb |
| T3b | 3-pin connector, on the rear socket |
| T3s | 3-pin connector, on the socket in luggage compartment |
| U5 | 12 V - rear socket |
| U9 | Rear cigarette lighter |
| U18 | 12 V - Socket in luggage compartment, right |
| 78 | Earth point, on lower part of right B-pillar |
| 81 | Earth connection -1-, in dash panel wiring harness |
| 135 | Earth connection -2-, in dash panel wiring harness |
| 336 | Earth connection -1-, in floor wiring harness |
| A19 | Connection (58d), in dash panel wiring harness |
| A52 | Positive connection -2- (30), in dash panel wiring harness |
| W61 | Positive connection -3- (30a), in floor wiring harness |
| *1 | Optional equipement |
| E15 | Heated rear window switch |
| J9 | Heated rear window relay |
| K10 | Heated rear window warning lamp |
| L39 | Heated rear window switch illumination |
| T6e | 6-pin connector, on left A-pillar (blue) |
| T6h | 6-pin connector, at heated rear window switch (brown) |
| Z1 | Heated rear window |
| 41 | Earth point, under rear shelf |
| 81 | Earth connection -1-, in dash panel wiring harness |
| A2 | Positive connection (15), in dash panel wiring harness |
| A19 | Connection (58d), in dash panel wiring harness |
| A82 | Connection (windscreen heater), in dash panel wiring harness |
| F | Brake light switch |
| F47 | Brake pedal switch |
| J104 | ABS control unit with EDL and TCS/ESP |
| 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 |
| J393 | Convenience electric central control unit, in front left footwell |
| J... | Engine control units |
| T4b | 4-pin connector, at brake pedal switch |
| T10j | 10-pin connector, on left A-pillar (blue) |
| T10o | 10-pin connector, on left A-pillar (orange) |
| A1 | Positive connection (30a), in dash panel wiring harness |
| A32 | Positive connection (30), in dash panel wiring harness |
| A38 | Positive connection -2- (15a), in dash panel wiring harness |
| A193 | Connection (87a), in dash panel wiring harness |
| W20 | Positive connection (30a), in floor wiring harness |
| *1 | for petrol engines |
| *2 | for diesel engines |
| *3 | only on vehicles with ESP |
| E231 | Exterior mirror heating button |
| J126 | Fresh air blower control unit |
| J314 | Air conditioning system control unit |
| A2 | Positive connection (15), in dash panel wiring harness |
| A20 | Positive connection (15a), in dash panel wiring harness |
| A38 | Positive connection -2- (15a), in dash panel wiring harness |
| A70 | Positive connection (15a, fuse 31), in dash panel wiring harness |
| *1 | only on vehicles with air conditioning system |
| *2 | only on vehicles with climatronic |
| J5 | Fog light relay |
| J285 | Control unit in dash panel insert |
| J393 | Convenience electric central control unit, in front left footwell |
| K | Dash panel insert |
| K1 | Main beam warning lamp |
| K13 | Rear fog light warning lamp |
| K17 | Fog light warning lamp |
| K18 | Trailer operation warning lamp |
| K60 | Dipped beam warning lamp |
| K65 | Left turn signal warning lamp |
| K94 | Right turn signal warning lamp |
| T32a | 32-pin connector, at dash panel insert (blue) |
| 135 | Earth connection -2-, 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 |
| A26 | Connection (door contact switch - driver side), in dash panel wiring harness |
| A43 | Connection (57L), in dash panel wiring harness |
| A44 | Connection (57R), in dash panel wiring harness |
| A47 | Connection (fog lights), in dash panel wiring harness |
| A51 | Connection (56), in dash panel wiring harness |
| *1 | only on vehicles with trailer coupling |
| *2 | not valid for vehicles with day driving lights |
| C | Alternator |
| J285 | Control unit in dash panel insert |
| J431 | Headlight range control unit, in luggage compartment, left |
| K | Dash panel insert |
| K2 | Alternator warning lamp |
| K29 | Glow period warning lamp |
| K116 | Rear lid open warning lamp |
| K132 | Electronic power control fault lamp |
| K166 | Door open warning lamp |
| K170 | Bulb failure warning lamp |
| T10g | 10-pin connector, in plenum chamber (black) |
| T15g | 15-pin connector, on right A-pillar (black) |
| T32a | 32-pin connector, at dash panel insert (blue) |
| T32b | 32-pin connector, at dash panel insert (green) |
| A2 | Positive connection (15), in dash panel wiring harness |
| A17 | Connection (61), in dash panel wiring harness |
| A146 | Connection (CAN H, convenience), in dash panel wiring harness |
| A147 | Connection (CAN L, convenience), in dash panel wiring harness |
| *1 | for diesel engines |
| *2 | for petrol engines |
| *3 | only on vehicles with gas discharge lamps |
| E24 | Belt switch - driver side |
| G33 | Windscreen washer fluid level sender |
| J104 | ABS control unit with EDL and TCS/ESP |
| J285 | Control unit in dash panel insert |
| K | Dash panel insert |
| K19 | Seat belt warning system warning lamp |
| K83 | Exhaust emissions warning lamp |
| K86 | TCS warning lamp |
| K106 | Washer fluid low warning lamp |
| K155 | ESP warning lamp |
| T2o | 2-pin connector, at windscreen washer fluid level sender |
| T2s | 2-pin connector, under driver seat |
| T10a | 10-pin connector, on left A-pillar (pink) |
| T10b | 10-pin connector, on left A-pillar (red) |
| T10l | 10-pin connector, on right A-pillar (brown) |
| T32a | 32-pin connector, at dash panel insert (blue) |
| T32b | 32-pin connector, at dash panel insert (green) |
| 44a | Earth point -2-, on lower part of left A-pillar |
| 269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
| *1 | only on vehicles with TCS |
| *2 | only on vehicles with ESP |
| *3 | for petrol engines |
| *4 | only on vehicles with TCS or ESP |
| F266 | Bonnet contact switch |
| G34 | Brake lining/pad wear sender, front left |
| G35 | Brake lining/pad wear sender, front right |
| G266 | Oil level/oil temperature sender |
| J285 | Control unit in dash panel insert |
| J314 | Air conditioning system control unit |
| J393 | Convenience electric central control unit, in front left footwell |
| K | Dash panel insert |
| K32 | Brake pad/lining warning lamp |
| K38 | Oil level warning lamp |
| K171 | Bonnet open warning lamp |
| T2p | 2-pin connector, behind lower left dash panel (red) |
| T2r | 2-pin connector, behind lower right dash panel (red) |
| T10e | 10-pin connector, on left A-pillar (brown) |
| T10j | 10-pin connector, on left A-pillar (blue) |
| T10k | 10-pin connector, in plenum chamber (brown) |
| T14a | 14-pin connector, on front left in engine compartment (black) |
| T15d | 15-pin connector, on left A-pillar (grey) |
| T32b | 32-pin connector, at dash panel insert (green) |
| 87 | Earth connection -2-, in rear wiring harness |
| A79 | Connection, in dash panel wiring harness |
| A184 | Connection (bonnet contact switch), in dash panel wiring harness |
| *1 | only for vehicles with anti-theft alarm system |
| *2 | only on vehicles with air conditioning system |
| G | Fuel gauge sender |
| J104 | ABS control unit with EDL/ABS with EDL and TCS/ESP |
| J285 | Control unit in dash panel insert |
| K | Dash panel insert |
| K47 | ABS warning lamp |
| K75 | Airbag warning lamp |
| L10 | Dash panel insert light bulbs |
| T6e | 6-pin connector, on left A-pillar (blue) |
| T10g | 10-pin connector, in plenum chamber (black) |
| T32a | 32-pin connector, at dash panel insert (blue) |
| T32b | 32-pin connector, at dash panel insert (green) |
| 269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
| 316 | Earth connection (sender earth) -2-, in engine wiring harness |
| A19 | Connection (58d), in dash panel wiring harness |
| A121 | Connection (CAN H), in dash panel wiring harness |
| A122 | Connection (CAN L), in dash panel wiring harness |
| E86 | Multi-function display call-up button |
| E109 | Multi-function display, memory switch |
| G17 | Ambient temperature sensor, under the front bumper |
| J119 | Multi-function display |
| J285 | Control unit in dash panel insert |
| J503 | Radio navigation system control unit |
| K | Dash panel insert |
| R | Radio |
| T2r | 2-pin connector, at ambient temperature sensor |
| T6g | 6-pin connector, on the intermittent wiper switch |
| T14a | 14-pin connector, on front left in engine compartment (black) |
| T15d | 15-pin connector, on left A-pillar (grey) |
| T32b | 32-pin connector, at dash panel insert (green) |
| 135 | Earth connection -2-, in dash panel wiring harness |
| 269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
| *1 | only on vehicles with radio navigation system or radio Symphony with CD |
| D2 | Immobilizer reading coil |
| G21 | Speedometer |
| J104 | ABS control unit with EDL/ABS with EDL and TCS |
| J285 | Control unit in dash panel insert |
| J362 | Immobilizer control unit |
| K | Dash panel insert |
| K117 | Immobilizer warning lamp |
| T2e | 2-pin connector, at the immobilizer reading coil |
| T32a | 32-pin connector, at dash panel insert (blue) |
| T32b | 32-pin connector, at dash panel insert (green) |
| Y4 | Odometer display |
| Y6 | Selector lever position indicator |
| A27 | Connection (speed signal), in dash panel wiring harness |
| *1 | Lifetime signal of dash panel insert (only on vehicles with ABS with EDL or TCS) |
| *2 | only on vehicles with automatic gearbox |
| F9 | Handbrake warning switch |
| F34 | Brake fluid level warning contact |
| G32 | Coolant shortage indicator sender |
| H3 | Buzzer/gong |
| J104 | ABS control unit with EDL and TCS/ESP |
| J285 | Control unit in dash panel insert |
| J533 | Data bus diagnostic interface |
| K | Dash panel insert |
| K7 | Brake fluid level and handbrake warning lamp |
| K28 | Coolant temperature and coolant shortage indicator warning lamp |
| T2m | 2-pin connector, at handbrake warning switch |
| T2n | 2-pin connector, at brake fluid level warning contact |
| T3c | 3-pin connector, at coolant shortage indicator sender |
| T10g | 10-pin connector, in plenum chamber (black) |
| T10h | 10-pin connector, on left A-pillar (lilac) |
| T32a | 32-pin connector, at dash panel insert (blue) |
| T32b | 32-pin connector, at dash panel insert (green) |
| 81 | Earth connection -1-, in dash panel wiring harness |
| 316 | Earth connection (sender earth) -2-, in engine wiring harness |
| A21 | Positive connection (86s), in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| A115 | Connection (Handbrake warning), in dash panel wiring harness |
| *1 | only on vehicles with ESP |
| T8d | 8-pin connector, for radio or radio navigation system control unit (black) |
| T16a | 16-pin connector, under the glove compartment on the driver's side (diagnostic connection) |
| 81 | Earth connection -1-, in dash panel wiring harness |
| 610 | Earth point (audio), front below centre console |
| A19 | Connection (58d), in dash panel wiring harness |
| A20 | Positive connection (15a), in dash panel wiring harness |
| A21 | Positive connection (86s), in dash panel wiring harness |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| A164 | Positive connection -2- (30a), in dash panel wiring harness |