| A | Battery |
| B | Starter |
| D | Ignition/starter switch |
| J359 | Low heat output relay |
| J360 | High heat output relay |
| S163 | Fuse -2- (30), in fuse holder on the battery |
| T3a | 3-pin connector, at front wall, left (grey) |
| T8a | 8-pin connector, at ignition/starter switch |
| T12a | 12-pin connector, at front wall, left (white) |
| T18a | 18-pin connector, on the onboard power supply control unit (brown) |
| TV2 | Terminal 30 wiring junction, behind dash panel, left |
| 11 | Earth point, on left in engine compartment, behind the battery (on suspension strut mount) |
| 12 | Earth point, on left in engine compartment, below the battery (at longitudinal member) |
| 14 | Earth point, on gearbox |
| A1 | Positive connection (30a), in wiring harness behind dash panel |
| A2 | Positive connection (15), in wiring harness behind dash panel |
| A21 | Positive connection (86s), in wiring harness behind dash panel |
| A32 | Positive connection (30a), in wiring harness behind dash panel |
| P1 | Positive connection (30), in fuse holder on the battery |
| *1 | only on vehicles with heater element (PTC) |
| *2 | not valid for vehicles with day driving lights |
| J59 | X contact relief relay |
| S268 | Fuse -10- (30), in fuse holder on the battery |
| T5a | 5-pin connector, on the onboard power supply control unit (black) |
| T6j | 6-pin connector, on the onboard power supply control unit (brown) |
| T12a | 12-pin connector, at front wall, left (white) |
| T18a | 18-pin connector, on the onboard power supply control unit (brown) |
| 80 | Earth connection, in wiring harness behind dash panel |
| 81 | Earth connection, in wiring harness behind dash panel |
| 135 | Earth connection, in wiring harness behind dash panel |
| 199 | Earth connection, in wiring harness behind dash panel |
| 606 | Earth point, under the centre console, near gear stick |
| A21 | Positive connection (86s), in wiring harness behind dash panel |
| A33 | Positive connection (75), in wiring harness behind dash panel |
| A34 | Positive connection (75x), in wiring harness behind dash panel |
| P1 | Positive connection (30), in fuse holder on the battery |
| E1 | Light switch |
| E23 | Front and rear fog light switch |
| L9 | Light switch light bulb |
| T6c | 6-pin connector, on the onboard power supply control unit (black) |
| T17a | 17-pin connector, at light switch |
| 80 | Earth connection, in wiring harness behind dash panel |
| A1 | Positive connection (30a), in wiring harness behind dash panel |
| A4 | Positive connection (58b), in wiring harness behind dash panel |
| A33 | Positive connection (75), in wiring harness behind dash panel |
| A34 | Positive connection (75x), in wiring harness behind dash panel |
| A43 | Connection (57L), in wiring harness behind dash panel |
| A44 | Connection (57R), in wiring harness behind dash panel |
| E4 | Headlight dipper/flasher switch |
| M1 | Side light bulb, left |
| M3 | Side light bulb, right |
| M5 | Turn signal bulb, front left |
| M7 | Turn signal bulb, front right |
| M29 | Dipped beam bulb, left |
| M30 | Main beam bulb, left |
| M31 | Dipped beam bulb, right |
| M32 | Main beam bulb, right |
| T10a | 10-pin connector, at left headlight |
| T10b | 10-pin connector, at right headlight |
| T11a | 11-pin connector, at front wall, left (white) |
| T12a | 12-pin connector, at front wall, left (white) |
| T12b | 12-pin connector, at headlight dipper/flasher switch |
| 29 | Earth point, on left in engine compartment, behind the battery (on suspension strut mount) |
| 85 | Earth connection -1-, on left in engine compartment wiring harness |
| A9 | Positive connection (56b), in wiring harness behind dash panel |
| A84 | Connection (58L), in wiring harness behind dash panel |
| A85 | Connection (58R), in wiring harness behind dash panel |
| A95 | Connection (56a), in wiring harness behind dash panel |
| B141 | Connection (56aL), in wiring harness behind dash panel |
| D152 | Positive connection (56bL), on left in engine compartment wiring harness |
| D153 | Positive connection (56bR), on right in engine compartment wiring harness |
| *1 | not valid for vehicles with bulb failure warning |
| *2 | not valid for vehicles with day driving lights |
| E2 | Turn signal switch |
| E19 | Parking light switch |
| E229 | Hazard warning lights button |
| K6 | Hazard warning light system warning lamp |
| L76 | Hazard warning light button illumination |
| M18 | Side turn signal bulb, left |
| M19 | Side turn signal bulb, right |
| T2b | 2-pin connector, on side turn signal, left |
| T2c | 2-pin connector, on side turn signal, right |
| T6c | 6-pin connector, on the onboard power supply control unit (black) |
| T6e | 6-pin connector, at hazard warning lights button |
| T11a | 11-pin connector, at front wall, left (white) |
| T12b | 12-pin connector, at turn signal switch |
| T16a | 16-pin connector, on the onboard power supply control unit (black) |
| 80 | Earth connection, in wiring harness behind dash panel |
| 85 | Earth connection -1-, on left in engine compartment wiring harness |
| 135 | Earth connection, in wiring harness behind dash panel |
| A5 | Positive connection (right turn signal), in wiring harness behind dash panel |
| A6 | Positive connection (left turn signal), in wiring harness behind dash panel |
| A43 | Connection (57L), in wiring harness behind dash panel |
| A44 | Connection (57R), in wiring harness behind dash panel |
| D57 | Connection (right turn signal), on right in engine compartment wiring harness |
| D58 | Connection (left turn signal), on left in engine compartment wiring harness |
| *2 | not valid for vehicles with day driving lights |
| E20 | Switches and instruments light regulator |
| E102 | Headlight range control adjuster |
| L54 | Headlight range control adjuster - illumination bulb |
| T6d | 6-pin connector, at illumination regulator and headlight range control adjuster |
| T10a | 10-pin connector, at left headlight |
| T10b | 10-pin connector, at right headlight |
| T12a | 12-pin connector, at front wall, left (white) |
| V48 | Headlight range control motor, left |
| V49 | Headlight range control motor, right |
| 81 | Earth connection, in wiring harness behind dash panel |
| 85 | Earth connection -1-, on left in engine compartment wiring harness |
| A3 | Positive connection (58), in wiring harness behind dash panel |
| A4 | Positive connection (58b), in wiring harness behind dash panel |
| A9 | Positive connection (56b), in wiring harness behind dash panel |
| D96 | Connection (headlight range control), in engine compartment wiring harness |
| D152 | Positive connection (56bL), on left in engine compartment wiring harness |
| D153 | Positive connection (56bR), on right in engine compartment wiring harness |
| F | Brake light switch |
| F47 | Brake pedal switch |
| J... | Engine control units |
| 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 |
| T4d | 4-pin connector, at brake pedal switch |
| T6l | 6-pin connector, at the left tail light |
| U10 | Trailer coupling socket |
| 61 | Earth point, on left C-pillar |
| 86 | Earth connection -1-, in rear interior wiring harness |
| A6 | Positive connection (left turn signal), in wiring harness behind dash panel |
| A18 | Connection (54), in wiring harness behind dash panel |
| A84 | Connection (58L), in wiring harness behind dash panel |
| A88 | Connection (NSL), in wiring harness behind dash panel |
| A100 | Connection (87a), in wiring harness behind dash panel |
| B182 | Connection (reversing lights), in interior wiring harness |
| *1 | not valid for vehicles with bulb failure warning |
| *2 | not valid for vehicles with automatic gearbox |
| *3 | 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 |
| M25 | High level brake light bulbs |
| M42 | Tail light and rear fog light bulb, right |
| T2i | 2-pin connector, at high level brake light |
| T5d | 5-pin connector, on left C-pillar (pink) |
| T6m | 6-pin connector, at the right tail light |
| T6o | 6-pin connector, on the onboard power supply control unit (black) |
| 61 | Earth point, on left C-pillar |
| 86 | Earth connection -1-, in rear interior wiring harness |
| 98 | Earth connection, in rear lid wiring harness |
| A5 | Positive connection (right turn signal), in wiring harness behind dash panel |
| A18 | Connection (54), in wiring harness behind dash panel |
| A85 | Connection (58R), in wiring harness behind dash panel |
| B182 | Connection (reversing lights), in interior wiring harness |
| * | not valid for vehicles with bulb failure warning |
| ** | not valid for vehicles with automatic gearbox |
| F5 | Luggage compartment light switch, in rear hinged lock |
| F218 | Central locking switch, in rear hinged lock |
| T2e | 2-pin connector, at the glove box light |
| T2f | 2-pin connector, at the luggage compartment light, left |
| T2g | 2-pin connector, at the luggage compartment light, right |
| T2j | 2-pin connector, at the number plate light (left) |
| T2k | 2-pin connector, at the number plate light (right) |
| T4c | 4-pin connector, at rear hinged lock |
| T5d | 5-pin connector, on left C-pillar (pink) |
| T5e | 5-pin connector, on left C-pillar (black) |
| T6k | 6-pin connector, on the onboard power supply control unit (red) |
| W6 | Glove box light |
| W18 | Luggage compartment light, left |
| W35 | Luggage compartment light, right |
| X | Number plate light |
| 98 | Earth connection, in rear lid wiring harness |
| 135 | Earth connection, in wiring harness behind dash panel |
| A23 | Connection (30al), in wiring harness behind dash panel |
| Q22 | Connection -1-, in rear lid wiring harness |
| W11 | Connection (58), in rear lid wiring harness |
| W15 | Connection -1- (luggage compartment light), in rear wiring harness |
| *1 | on vehicles, short rear lid only with central locking |
| *2 | only for Combi |
| *3 | only on Combi with optional equipment |
| only on vehicles with optional equipment |
| E22 | Intermittent wiper switch |
| E34 | Rear wiper switch |
| E38 | Intermittent wiper control |
| T4a | 4-pin connector, at windscreen wiper motor |
| T5a | 5-pin connector, on the onboard power supply control unit (black) |
| T5c | 5-pin connector, on the onboard power supply control unit (brown) |
| T6a | 6-pin connector, on the intermittent wiper switch |
| T8b | 8-pin connector, on the intermittent wiper switch |
| T12a | 12-pin connector, at front wall, left (white) |
| T16a | 16-pin connector, on the onboard power supply control unit (black) |
| T18a | 18-pin connector, on the onboard power supply control unit (brown) |
| V | Windscreen wiper motor |
| 80 | Earth connection, in wiring harness behind dash panel |
| 85 | Earth connection -1-, on left in engine compartment wiring harness |
| 135 | Earth connection, in wiring harness behind dash panel |
| A102 | Connection (windscreen wiper), in wiring harness behind dash panel |
| A156 | Connection (53c), in wiring harness behind dash panel |
| T2a | 2-pin connector, on the windscreen and rear window washer pump |
| T4b | 4-pin connector, at rear window wiper motor |
| T5b | 5-pin connector, on left C-pillar (brown) |
| T12a | 12-pin connector, at front wall, left (white) |
| V12 | Rear window wiper motor |
| V59 | Windscreen and rear window washer pump |
| 98 | Earth connection, in rear lid wiring harness |
| A102 | Connection (windscreen wiper), in wiring harness behind dash panel |
| A156 | Connection (53c), in wiring harness behind dash panel |
| E230 | Heated rear window button |
| K10 | Heated rear window warning lamp |
| L76 | Heated rear window button illumination |
| T5c | 5-pin connector, on the onboard power supply control unit (brown) |
| T5d | 5-pin connector, on left C-pillar (pink) |
| T6b | 6-pin connector, at heated rear window button |
| T6c | 6-pin connector, on the onboard power supply control unit (black) |
| Z1 | Heated rear window |
| 98 | Earth connection, in rear lid wiring harness |
| 135 | Earth connection, in wiring harness behind dash panel |
| A4 | Positive connection (58b), in wiring harness behind dash panel |
| E9 | Fresh air blower switch |
| E159 | Fresh air/air recirculating flap switch |
| F268 | Heater element contact switch (PTC) |
| J248 | Diesel direct injection system control unit |
| J251 | Fresh air and air recirculating flap control unit |
| K114 | Fresh air/air recirculation warning lamp |
| L16 | Fresh air regulation illumination |
| N24 | Fresh air blower series resistor with overheating fuse |
| T2u | 2-pin connector, at fresh air blower |
| T4e | 4-pin connector, at fresh air blower series resistor |
| T5h | 5-pin connector, at fresh air blower switch |
| T6s | 6-pin connector, on fresh air and air recirculation flap control motor |
| T10c | 10-pin connector, behind dash panel, right |
| T11c | 11-pin connector, at front wall, left (blue) |
| T16c | 16-pin connector, at the fresh air regulation |
| V2 | Fresh air blower |
| V154 | Fresh air and recirculated air flap control motor |
| 606 | Earth point, under the centre console, near gear stick |
| A4 | Positive connection (58b), in wiring harness behind dash panel |
| L13 | Positive connection (75al), in fresh air blower wiring harness |
| *1 | only on vehicles with heater element (PTC) |
| *3 | not valid for vehicles with air conditioning system |
| F2 | Door contact switch, front left |
| F3 | Door contact switch, front right |
| J317 | Voltage supply relay - terminal 30 |
| T3c | 3-pin connector, on the bulb of the front interior light |
| T3d | 3-pin connector, at door contact switch, front left |
| T3e | 3-pin connector, at door contact switch, front right |
| T5a | 5-pin connector, on the onboard power supply control unit (black) |
| T6f | 6-pin connector, on left A-pillar (brown) |
| T6g | 6-pin connector, on right A-pillar (brown) |
| T6j | 6-pin connector, on the onboard power supply control unit (brown) |
| T18a | 18-pin connector, on the onboard power supply control unit (brown) |
| W | Front interior light |
| W13 | Front passenger reading light |
| W19 | Reading lamp, driver side |
| 81 | Earth connection, in wiring harness behind dash panel |
| 205 | Earth connection, in driver door wiring harness |
| 206 | Earth connection, in front passenger door wiring harness |
| A23 | Connection (30al), in wiring harness behind dash panel |
| A26 | Connection (door contact switch, front left), in wiring harness behind dash panel |
| *1 | only for petrol engines (up to 01.00), only for engine identification characters AUA, AUB (as of 02.00) |
| *2 | only on vehicles with heated and adjustable exterior mirrors (without power windows) |
| *3 | only on vehicles without optional equipment |
| only on vehicles with optional equipment |
| only for diesel engines (up to 01.00), not valid for engine identification characters AUA, AUB (as of 02.00) |
| F138 | Coil in steering wheel |
| F231 | Horn operation slip contact |
| H | Horn activation |
| H1 | Horn |
| H2 | High tone horn |
| H7 | Low tone horn |
| T2l | 2-pin connector, at horn |
| T2m | 2-pin connector, at low tone horn |
| T2n | 2-pin connector, at high tone horn |
| T5c | 5-pin connector, on the onboard power supply control unit (brown) |
| T5f | 5-pin connector, at the coil in the steering wheel |
| T5g | 5-pin connector, in the steering wheel |
| T6p | 6-pin connector, at front wall, left (red) |
| T12b | 12-pin connector, at headlight dipper switch |
| T18a | 18-pin connector, on the onboard power supply control unit (brown) |
| 13 | Earth point, on front right in engine compartment |
| 124 | Earth connection, in engine compartment wiring harness |
| 135 | Earth connection, in wiring harness behind dash panel |
| D143 | Connection (71), on left in engine compartment wiring harness |
| *1 | only on vehicles without optional equipment |
| *2 | only on vehicles with airbag |
| *3 | only on vehicles without airbag |
| only on vehicles with optional equipment |
| J301 | Air conditioning system control unit |
| J560 | Door warning light relay |
| L15 | Ashtray light bulb |
| L42 | Socket light bulb |
| T2d | 2-pin connector, at the ashtray light bulb |
| T3b | 3-pin connector, on the socket |
| U | Socket |
| U1 | Cigarette lighter |
| 80 | Earth connection, in wiring harness behind dash panel |
| A4 | Positive connection (58b), in wiring harness behind dash panel |
| A68 | Positive connection (30a, air conditioning system), in wiring harness behind dash panel |
| *1 | not valid for vehicles with air conditioning system |
| *2 | only on vehicles with door warning lights |
| *3 | only on vehicles with air conditioning system |
| F4 | Reversing light switch |
| J248 | Diesel direct injection system control unit |
| T2h | 2-pin connector, at reversing light switch |
| T3w | 3-pin connector, on the 12 V socket in luggage compartment |
| T6n | 6-pin connector, at front wall, left (blue) |
| T11b | 11-pin connector, at front wall, left (red) |
| U5 | 12 V socket in luggage compartment |
| 86 | Earth connection -1-, in rear interior wiring harness |
| A32 | Positive connection (30a), in wiring harness behind dash panel |
| A34 | Positive connection (75x), in wiring harness behind dash panel |
| *1 | only on vehicles with engine identification characters ASY, ATD |
| *2 | not valid for vehicles with automatic gearbox |
| *3 | not valid for vehicles with air conditioning system |
| only for Combi |
| J285 | Control unit in dash panel insert |
| K | Dash panel insert |
| K1 | Main beam warning lamp |
| K13 | Rear fog light warning lamp |
| K17 | Fog light warning lamp |
| K60 | Dipped beam warning lamp |
| L10 | Dash panel insert light bulbs |
| T6r | 6-pin connector, at front wall, left (brown) |
| T8c | 8-pin connector, at dash panel insert |
| T32a | 32-pin connector, at dash panel insert |
| Y2 | Digital clock |
| 81 | Earth connection, in wiring harness behind dash panel |
| 269 | Earth connection (sender earth) -1-, in wiring harness behind dash panel |
| 327 | Earth connection (sender earth), in engine compartment wiring harness |
| A9 | Positive connection (56b), in wiring harness behind dash panel |
| A88 | Connection (NSL), in wiring harness behind dash panel |
| B141 | Connection (56aL), in wiring harness behind dash panel |
| E24 | Belt switch - driver side |
| G3 | Coolant temperature gauge |
| G5 | Rev. Counter |
| J285 | Control unit in dash panel insert |
| K | Dash panel insert |
| K2 | Alternator warning lamp |
| K18 | Trailer operation warning lamp |
| K19 | Seat belt warning system warning lamp |
| K47 | ABS warning lamp |
| K65 | Left turn signal warning lamp |
| K75 | Airbag warning lamp |
| K86 | TCS warning lamp |
| K92 | Power steering warning lamp |
| K94 | Right turn signal warning lamp |
| K116 | Rear lid open warning lamp |
| K155 | ESP warning lamp |
| K166 | Door open warning lamp |
| T6w | 6-pin connector, under driver seat (red) |
| T16a | 16-pin connector, on the onboard power supply control unit (black) |
| T32a | 32-pin connector, at dash panel insert |
| 135 | Earth connection, in wiring harness behind dash panel |
| A121 | Connection (CAN H), in wiring harness behind dash panel |
| A122 | Connection (CAN L), in wiring harness behind dash panel |
| *1 | only on vehicles with optional equipment |
| *2 | only on vehicles with TCS |
| *3 | only on vehicles with ESP |
| D2 | Immobilizer reading coil |
| G17 | Ambient temperature sensor |
| H3 | Buzzer/gong |
| J285 | Control unit in dash panel insert |
| J362 | Immobilizer control unit |
| K | Dash panel insert |
| K32 | Brake pad/lining warning lamp |
| K117 | Immobilizer warning lamp |
| T2o | 2-pin connector, at the immobilizer reading coil |
| T6p | 6-pin connector, at front wall, left (red) |
| T8c | 8-pin connector, at dash panel insert |
| T16a | 16-pin connector, on the onboard power supply control unit (black) |
| T32a | 32-pin connector, at dash panel insert |
| Y6 | Selector lever position indicator |
| A43 | Connection (57L), in wiring harness behind dash panel |
| A44 | Connection (57R), in wiring harness behind dash panel |
| A83 | Connection (58, day driving lights), in wiring harness behind dash panel, left |
| *1 | only on vehicles with multi-function display |
| *2 | not valid for vehicles with day driving lights |
| *3 | only on vehicles with automatic gearbox |
| only on vehicles with day driving lights |
| F9 | Handbrake warning switch |
| F34 | Brake fluid level warning contact |
| G32 | Coolant shortage indicator sender |
| G33 | Windscreen washer fluid level sender |
| J285 | Control unit in dash panel insert |
| K | Dash panel insert |
| K7 | Brake fluid level and handbrake warning lamp |
| K28 | Coolant temperature and coolant shortage indicator warning lamp |
| K106 | Washer fluid low warning lamp |
| T2p | 2-pin connector, at coolant shortage indicator sender |
| T2r | 2-pin connector, at brake fluid level warning contact |
| T2s | 2-pin connector, at handbrake warning switch |
| T2t | 2-pin connector, at windscreen washer fluid level sender |
| T6p | 6-pin connector, at front wall, left (red) |
| T11b | 11-pin connector, at front wall, left (red) |
| T18b | 18-pin connector, on the onboard power supply control unit (black) |
| T32a | 32-pin connector, at dash panel insert |
| 131 | Earth connection -2-, in engine compartment wiring harness |
| 135 | Earth connection, in wiring harness behind dash panel |
| 327 | Earth connection (sender earth), in engine compartment wiring harness |
| A115 | Connection (handbrake warning), in wiring harness behind dash panel |
| A146 | Connection (CAN H, convenience), in wiring harness behind dash panel |
| A147 | Connection (CAN L, convenience), in wiring harness behind dash panel |
| *1 | only on vehicles with optional equipment |
| *2 | only on vehicles with ESP |
| J533 | Data bus diagnostic interface |
| T8d | 8-pin connector, for radio (black) |
| T16a | 16-pin connector, on the onboard power supply control unit (black) |
| T16b | 16-pin connector, in glove compartment on the driver's side (diagnostic connection) |
| T18a | 18-pin connector, on the onboard power supply control unit (brown) |
| 135 | Earth connection, in wiring harness behind dash panel |
| 606 | Earth point, under the centre console, near gear stick |
| A4 | Positive connection (58b), in wiring harness behind dash panel |
| A21 | Positive connection (86s), in wiring harness behind dash panel |
| A27 | Connection (speed signal), in wiring harness behind dash panel |
| A46 | Positive connection (30 radio), in wiring harness behind dash panel |
| A76 | Connection (diagnosis wire K), in wiring harness behind dash panel, left |
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