| 3 | Earth strap, engine - body |
| 12 | Earth point, in engine compartment, left |
| 13 | Earth point, in engine compartment, right |
| 43 | Earth point, lower part of right A pillar |
| 44 | Earth point, lower part of left A pillar |
| 81 | Earth connection -1-, in dash panel wiring harness |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| 86 | Earth connection -1-, in rear wiring harness |
| 176 | Earth connection, in right headlight wiring harness |
| 179 | Earth connection, in left headlight wiring harness |
| 213 | Earth connection -4-, in dash panel wiring harness |
| * | Models without trailer coupling |
| ** | Models with trailer coupling |
| D | Ignition/starter switch |
| J59 | X contact relief relay |
| J217 | Automatic gearbox control unit |
| J226 | Starter inhibitor and reversing light relay |
| J402 | Operating electronics control unit, navigation |
| J429 | Central locking control unit |
| T8f | 8-pin connector, black, radio connector III |
| T17 | 17-pin connector, orange, connector point, A pillar, right |
| T17r | 17-pin connector, white, behind dash panel, centre |
| 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 |
| A52 | Positive (+) connection 2 (30), in dash panel wiring harness |
| * | Models with manual gearbox |
| ** | Models with automatic gearbox 01V/01L |
| *** | Models with automatic gearbox: multitronic® 01J |
| # | Models with petrol engine |
| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| F125 | Multi-function switch |
| J31 | Automatic intermittent wash/wipe relay |
| J207 | Starter inhibitor relay |
| S205 | Fuse -2- (30) |
| T1h | Single connector, black, in engine compartment, right |
| T2cl | 2-pin connector, black, in engine compartment, right |
| T9 | 9-pin connector, brown, at starter inhibitor relay |
| T10o | 10-pin connector, brown, connector point, electronics box, plenum chamber |
| T10p | 10-pin connector, black, connector point, electronics box, plenum chamber |
| T17m | 17-pin connector, blue, connector point, A pillar, right |
| 1 | Earth strap, battery - body |
| 81 | Earth connection -1-, in dash panel wiring harness |
| A17 | Connection (61), in dash panel wiring harness |
| A41 | Positive (+) connection (50), in dash panel wiring harness |
| * | Models with manual gearbox |
| ** | Models with automatic gearbox 01V/01L |
| *** | Models with automatic gearbox: multitronic® 01J |
| E1 | Lighting switch |
| E2 | Turn signal switch |
| E4 | Headlight dipper/flasher switch |
| E19 | Parking light switch |
| E23 | Front and rear fog light switch |
| K13 | Rear fog light warning lamp |
| K17 | Fog light warning lamp |
| L9 | Lighting switch light bulb |
| L40 | Front and rear fog light switch illumination bulb |
| 81 | Earth connection -1-, 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 |
| E20 | Switches and instruments light regulator |
| E102 | Headlight range control adjuster |
| L54 | Headlight range control adjuster light bulb |
| T10b | 10-pin connector, red, connector point, A pillar, left |
| T10an | 10-pin connector, on headlight, left |
| T10ao | 10-pin connector, on headlight, right |
| T10ay | 10-pin connector, pink, connector point, A pillar, right |
| V48 | Headlight range control motor, left |
| V49 | Headlight range control motor, right |
| 44 | Earth point, lower part of left A pillar |
| 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 |
| 199 | Earth connection -3-, in dash panel wiring harness |
| 269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
| * | Both possible |
| E3 | Hazard warning light switch |
| J234 | Airbag control unit |
| J429 | Central locking control unit |
| T10av | 10-pin connector, yellow, connector point, A pillar, right |
| T17 | 17-pin connector, orange, connector point, A pillar, right |
| T17a | 17-pin connector, brown, connector point, A pillar, right |
| T17k | 17-pin connector, red, connector point, electronics box, plenum chamber |
| 135 | Earth connection -2-, in dash panel wiring harness |
| 199 | Earth connection -3-, in dash panel wiring harness |
| 213 | Earth connection -4-, 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 |
| A125 | Connection (crash signal), in dash panel wiring harness |
| E22 | Intermittent wiper switch |
| E38 | Intermittent wiper control |
| E87 | Control and display unit for air conditioner |
| F77 | Windscreen washer fluid warning contact |
| J31 | Automatic intermittent wash/wipe relay |
| T6ac | 6-pin connector, brown, on intermittent wiper control |
| T8i | 8-pin connector, black, at wiper switch |
| T10a | 10-pin connector, pink, connector point, A pillar, left |
| T10b | 10-pin connector, red, connector point, A pillar, left |
| T10e | 10-pin connector, purple, connector point, A pillar, left |
| 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 |
| 199 | Earth connection -3-, in dash panel wiring harness |
| 261 | Earth connection, in heated washer jet wiring harness |
| 269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
| A96 | Connection (53c), in dash panel wiring harness |
| * | Both possible |
| ** | Models with driver information system |
| L22 | Fog light bulb, left |
| L23 | Fog light bulb, right |
| S1 | Fuse in fuse box |
| S2 | Fuse in fuse box |
| S224 | Fuse 24 in fuse box |
| S225 | Fuse 25 in fuse box |
| S226 | Fuse 26 in fuse box |
| S227 | Fuse 27 in fuse box |
| T2an | 2-pin connector, washer jet, left |
| T2ao | 2-pin connector, washer jet, right |
| T10b | 10-pin connector, red, connector point, A pillar, left |
| T10e | 10-pin connector, purple, connector point, A pillar, left |
| T10ay | 10-pin connector, pink, connector point, A pillar, right |
| Z20 | Heater element, left washer jet |
| Z21 | Heater element, right washer jet |
| Z36 | Heated steering wheel |
| 176 | Earth connection, in right headlight wiring harness |
| 179 | Earth connection, in left headlight wiring harness |
| 261 | Earth connection, in heated washer jet wiring harness |
| A34 | Connection (75x), in dash panel wiring harness |
| L4 | Connection (75 al), in air conditioner wiring harness |
| * | Models with heated steering wheel |
| E26 | Glove box light switch |
| E87 | Control and display unit for air conditioner |
| J429 | Central locking control unit |
| S3 | Fuse in fuse box |
| S4 | Fuse in fuse box |
| S5 | Fuse in fuse box |
| S6 | Fuse in fuse box |
| S7 | Fuse in fuse box |
| S231 | Fuse 31 in fuse box |
| T2ap | 2-pin connector, black, behind dash panel, right |
| T8l | 8-pin connector, behind dash panel, right |
| T10f | 10-pin connector, brown, connector point, A pillar, left |
| T17a | 17-pin connector, brown, connector point, A pillar, right |
| W6 | Glove box light |
| X | Number plate light |
| 81 | Earth connection -1-, in dash panel wiring harness |
| 87 | Earth connection -2-, in rear wiring harness |
| A20 | Connection (15a), in dash panel wiring harness |
| A38 | Positive (+) connection -2- (15a), in dash panel wiring harness |
| A53 | Positive (+) connection (58), in dash panel wiring harness |
| * | Models with manual gearbox |
| ** | Models with automatic gearbox 01V/01L |
| *** | Models with automatic gearbox: multitronic® 01J |
| F | Brake light switch |
| F47 | Cruise control system brake pedal switch (diesel direct injection system) |
| J104 | ABS with EDL control unit |
| J220 | Motronic control unit |
| J248 | Diesel direct injection system control unit |
| J431 | Headlight range control, control unit |
| J526 | Telephone/telematics control unit |
| S8 | Fuse in fuse box |
| S9 | Fuse in fuse box |
| S10 | Fuse in fuse box |
| S11 | Fuse in fuse box |
| S12 | Fuse in fuse box |
| S13 | Fuse in fuse box |
| T3as | 3-pin connector, blue, connector point, A pillar, left |
| T10h | 10-pin connector, black, connector point, A pillar, left |
| T10u | 10-pin connector, black, connector point, A pillar, right |
| Y7 | Automatic anti-dazzle interior mirror |
| Z4 | Heated exterior mirror, driver's side |
| Z5 | Heated exterior mirror, front passenger's side |
| A18 | Connection (54), in dash panel wiring harness |
| J9 | Connection -1- (15a), in ABS wiring harness |
| * | Models with telephone, telematics |
| ** | Models with automatic dynamic headlight range control |
| *** | Models with automatic anti-dazzle interior mirror |
| E97 | Memory operating unit |
| E277 | Memory operating unit, front passenger's seat |
| H | Horn plate |
| J4 | Dual tone horn relay |
| J429 | Central locking control unit |
| S14 | Fuse in fuse box |
| S15 | Fuse in fuse box |
| S238 | Fuse 38 in fuse box |
| S239 | Fuse 39 in fuse box |
| S240 | Fuse 40 in fuse box |
| T5d | 5-pin connector, yellow, behind steering column switch trim |
| T17a | 17-pin connector, brown, connector point, A pillar, right |
| T17b | 17-pin connector, black, connector point, A pillar, right |
| T17e | 17-pin connector, black, connector point, A pillar, left |
| 135 | Earth connection -2-, in dash panel wiring harness |
| 199 | Earth connection -3-, in dash panel wiring harness |
| A1 | Positive (+) connection (30a), in dash panel wiring harness |
| A66 | Connection (30a, (ZV/DWA/IR (central locking/anti-theft alarm system/infra-red remote control)), in dash panel wiring harness |
| * | Both possible |
| H2 | High tone horn |
| H7 | Low tone horn |
| L28 | Cigarette lighter light bulb |
| S233 | Fuse 33 in fuse box |
| S236 | Fuse 36 in fuse box |
| S241 | Fuse 41 in fuse box |
| S242 | Fuse 42 in fuse box |
| S243 | Fuse 43 in fuse box |
| T10b | 10-pin connector, red, connector point, A pillar, left |
| T10ay | 10-pin connector, pink, connector point, A pillar, right |
| U1 | Cigarette lighter |
| U9 | Cigarette lighter, rear |
| 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 |
| E112 | Connection (horn-87 h), in dash panel wiring harness |
| M3 | Side light bulb, right |
| M7 | Turn signal bulb, front right |
| M19 | Side turn signal bulb, right |
| M31 | Dipped beam bulb, right |
| M32 | Main beam bulb, right |
| S18 | Fuse in fuse box |
| S20 | Fuse in fuse box |
| S22 | Fuse in fuse box |
| T10ao | 10-pin connector, on headlight, right |
| T10ay | 10-pin connector, pink, connector point, A pillar, right |
| 176 | Earth connection, in right headlight wiring harness |
| C19 | Connection -1- (turn signal, right), in headlight wiring harness |
| C29 | Connection -2- (56b), in headlight wiring harness |
| M1 | Side light bulb, left |
| M5 | Turn signal bulb, front left |
| M18 | Side turn signal bulb, left |
| M29 | Dipped beam bulb, left |
| M30 | Main beam bulb, left |
| S19 | Fuse in fuse box |
| S21 | Fuse in fuse box |
| S223 | Fuse 23 in fuse box |
| T10a | 10-pin connector, pink, connector point, A pillar, left |
| T10an | 10-pin connector, on headlight, left |
| 179 | Earth connection, in left headlight wiring harness |
| C20 | Connection (turn signal, left), in headlight wiring harness |
| C28 | Connection -1- (56b), in headlight wiring harness |
| F4 | Reversing light switch |
| F125 | Multi-function switch |
| L46 | Rear fog light bulb, left |
| M4 | Tail light bulb, left |
| M6 | Turn signal bulb, rear left |
| M9 | Brake light bulb, left |
| M16 | Reversing light bulb, left |
| M25 | High level brake light bulb |
| N110 | Selector lever lock solenoid |
| T2am | 2-pin connector, black, on selector lever console |
| T10f | 10-pin connector, brown, connector point, A pillar, left |
| T10o | 10-pin connector, brown, connector point, electronics box, plenum chamber |
| T10ba | 10-pin connector, blue, connector point, A pillar, left |
| T17k | 17-pin connector, red, connector point, electronics box, plenum chamber |
| T17m | 17-pin connector, blue, connector point, A pillar, right |
| W18 | Luggage compartment light, left |
| 86 | Earth connection -1-, in rear wiring harness |
| 87 | Earth connection -2-, in rear wiring harness |
| A87 | Connection (RF (reversing light)), in dash panel wiring harness |
| * | Models with manual gearbox |
| ** | Models with automatic gearbox 01V, 01L |
| *** | Models with automatic gearbox: multitronic® 01J |
| E15 | Heated rear window switch |
| E87 | Control and display unit for air conditioner |
| G | Fuel gauge sender |
| G6 | Fuel pump (pre-supply pump) |
| G169 | Fuel gauge sender -2- |
| G237 | Fuel gauge sender -3- |
| J17 | Fuel pump relay |
| M2 | Tail light bulb, right |
| M8 | Turn signal bulb, rear right |
| M10 | Brake light bulb, right |
| M17 | Reversing light bulb, right |
| S228 | Fuse 28 in fuse box |
| T10f | 10-pin connector, brown, connector point, A pillar, left |
| T10ba | 10-pin connector, blue, connector point, A pillar, left |
| Z1 | Heated rear window |
| 75 | Earth point, rear pillar, right |
| 86 | Earth connection -1-, in rear wiring harness |
| 87 | Earth connection -2-, in rear wiring harness |
| 269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
| * | Models with front-wheel drive |
| ** | Models with four-wheel drive |
| *** | Wiring in fuel tank |
| F9 | Handbrake warning switch |
| J104 | ABS with EDL control unit |
| J220 | Motronic control unit |
| J285 | Control unit with display in dash panel insert |
| J429 | Central locking control unit |
| K1 | Main beam warning lamp |
| K2 | Alternator warning lamp |
| K14 | Handbrake warning lamp |
| K65 | Left turn signal warning lamp |
| K83 | Fault warning lamp for self-diagnosis/exhaust emissions |
| K94 | Right turn signal warning lamp |
| K132 | Electronic power control fault lamp |
| T10o | 10-pin connector, brown, connector point, electronics box, plenum chamber |
| T17f | 17-pin connector, black, in 8-point relay carrier, behind driver's storage compartment |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| 135 | Earth connection -2-, in dash panel wiring harness |
| 199 | Earth connection -3-, in dash panel wiring harness |
| 213 | Earth connection -4-, in dash panel wiring harness |
| A26 | Connection (door contact switch/driver's side), in dash panel wiring harness |
| * | Both possible |
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| G5 | Rev. counter |
| G21 | Speedometer |
| G22 | Speedometer sender (Hall sender, on gearbox) |
| G62 | Coolant temperature sender |
| J220 | Motronic control unit |
| J285 | Control unit with display in dash panel insert |
| K4 | Side light warning lamp |
| K16 | Reserve fuel warning lamp |
| T10p | 10-pin connector, black, connector point, electronics box, plenum chamber |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| A8 | Positive (+) connection (58d), in dash panel wiring harness (display illumination) |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A108 | Connection (speed signal), in dash panel wiring harness |
| G14 | Voltmeter |
| H3 | Buzzer/gong |
| J104 | ABS with EDL control unit |
| J285 | Control unit with display in dash panel insert |
| J489 | Radio controlled clock receiver |
| K32 | Brake pad/lining warning lamp |
| K47 | ABS warning lamp |
| N12 | Brake pad/lining wear indicator, right (shear element) |
| N13 | Brake pad/lining wear indicator, left (shear element) |
| T4bc | 4-pin connector, black, for speed sensor, front left |
| T4bd | 4-pin connector, black, for speed sensor, front right |
| T10ba | 10-pin connector, blue, connector point, A pillar, left |
| T17f | 17-pin connector, black, in 8-point relay carrier, behind driver's storage compartment |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| Y | Analogue clock |
| Y8 | Radio controlled clock |
| 100 | Earth connection -1-, in ABS wiring harness |
| A79 | Connection (hot light switch), in dash panel wiring harness |
| * | Models with radio controlled clock |
| ** | Models with auxiliary heater |
| # | ABS 5.3 (allroad models) |
| ## | ABS 5.7 |
| F1 | Oil pressure switch |
| F34 | Brake fluid level warning contact |
| F66 | Coolant shortage indicator switch |
| J104 | ABS with EDL control unit |
| J285 | Control unit with display in dash panel insert |
| K3 | Oil pressure warning lamp |
| K28 | Coolant temperature/coolant shortage warning lamp |
| K106 | Washer fluid low warning lamp |
| K118 | Brake system warning lamp |
| T10e | 10-pin connector, purple, connector point, A pillar, left |
| T10p | 10-pin connector, black, connector point, electronics box, plenum chamber |
| T17f | 17-pin connector, black, in 8-point relay carrier, behind driver's storage compartment |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| T32c | 32-pin connector, grey, on dash panel insert |
| 261 | Earth connection, in heated washer jet wiring harness |
| 269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
| 316 | Earth connection (sender earth -2-), in engine wiring harness |
| * | Sender earth output |
| ** | Models with driver information system |
| *** | Only applies to allroad models with ABS 5.3 |
| D2 | Immobilizer reading coil |
| E272 | Function selection switch II, in centre console |
| G266 | Oil level thermo sender, service interval |
| J234 | Airbag control unit |
| J285 | Control unit with display in dash panel insert |
| J429 | Central locking control unit |
| K75 | Airbag warning lamp |
| K117 | Immobilizer warning lamp |
| T10o | 10-pin connector, brown, connector point, electronics box, plenum chamber |
| T10av | 10-pin connector, yellow, connector point, A pillar, right |
| T17 | 17-pin connector, orange, connector point, A pillar, right |
| T17a | 17-pin connector, brown, connector point, A pillar, right |
| T32a | 32-pin connector, green, on dash panel insert |
| T32c | 32-pin connector, grey, on dash panel insert |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| 269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
| A121 | Connection (high bus), in dash panel wiring harness |
| A122 | Connection (low bus), in dash panel wiring harness |
| A184 | Connection (bonnet contact switch), in dash panel wiring harness |
| • | CAN bus (data wire) |
| E87 | Control and display unit for air conditioner |
| J217 | Automatic gearbox control unit |
| J234 | Airbag control unit |
| J285 | Control unit with display in dash panel insert |
| J429 | Central locking control unit |
| J453 | Multi-function steering wheel control unit |
| T10av | 10-pin connector, yellow, connector point, A pillar, right |
| T16a | 16-pin connector, diagnosis connection |
| T17 | 17-pin connector, orange, connector point, A pillar, right |
| T17m | 17-pin connector, blue, connector point, A pillar, right |
| T32a | 32-pin connector, green, on dash panel insert |
| 135 | Earth connection -2-, in dash panel wiring harness |
| 199 | Earth connection -3-, in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| A159 | Connection (L), in dash panel wiring harness |
| * | Models with automatic gearbox 01V/01L |
| ** | Models with multi-function steering wheel |
| # | Both possible |
| J104 | ABS with EDL control unit |
| L120 | Shelf illumination |
| L121 | Cup holder illumination |
| S237 | Fuse 37 in fuse box |
| T2m | 2-pin connector, brown, behind dash panel, centre |
| T8f | 8-pin connector, black, radio connector III |
| T17d | 17-pin connector, grey, connector point, A pillar, left |
| T17f | 17-pin connector, black, in 8-point relay carrier, behind driver's storage compartment |
| T17r | 17-pin connector, white, behind dash panel, centre |
| W | Interior light, front |
| W13 | Reading lamp, front passenger's side |
| W19 | Reading lamp, driver's side |
| 213 | Earth connection -4-, in dash panel wiring harness |
| 610 | Earth point (radio), below centre console, front |
| A19 | Connection (58s), in dash panel wiring harness (switch illumination) |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| # | ABS 5.3 (allroad models) |
| ## | ABS 5.7 |
