| A | Battery |
| B | Starter |
| D | Ignition/starter switch |
| J59 | X contact relief relay |
| J339 | X contact relief relay II, above the relay plate |
| SA1 | Fuse -1- on battery fuse box |
| SA2 | Fuse -2- on battery fuse box |
| SA3 | Fuse -3- on battery fuse box |
| SA4 | Fuse -4- on battery fuse box |
| SA5 | Fuse -5- on battery fuse box |
| SA6 | Fuse -6- on battery fuse box |
| SA7 | Fuse -7- on battery fuse box |
| SA8 | Fuse -8- on battery fuse box |
| T2t | 2-pin connector, behind relay plate |
| T3 | 3-pin connector |
| 1 | Earth strap, battery - body |
| 2 | Earth strap, gearbox - body |
| 30 | Earth point -1-, next to relay plate |
| C10 | Positive (+) connection -1- (30), in headlight wiring harness |
| E9 | Fresh air blower switch |
| E159 | Fresh air/air recirculating flap switch |
| J... | Engine control units |
| K114 | Fresh air/air recirculation warning lamp |
| L16 | Fresh air controls light bulb |
| N24 | Fresh air blower with overheating fuse series resistor |
| N63 | Fresh and recirculating air flap two-way valve |
| T2u | 3-pin connector, behind dash panel, right |
| T4a | 4-pin connector |
| T5f | 5-pin connector |
| T8a | 8-pin connector |
| V2 | Fresh air blower |
| W6 | Glove box light |
| 33 | Earth point, behind dash panel, right |
| 110 | Earth connection -2-, in instruments wiring harness |
| A20 | Connection (15a), in dash panel wiring harness |
| A61 | Positive (+) connection (X), in instruments wiring harness |
| D2 | Immobilizer reading coil |
| J362 | Immobilizer control unit, behind dash panel insert, right |
| J... | Engine control units |
| T2c | Single connector, behind relay plate |
| T1f | Single connector, behind relay plate |
| T2n | 2-pin connector |
| T2o | 2-pin connector |
| T2p | 2-pin connector |
| T2q | 2-pin connector |
| T2r | 2-pin connector |
| T2s | 2-pin connector |
| T3e | 3-pin connector |
| T8c | 8-pin connector, up to August 1999 |
| T10 | 10-pin connector, from September 1999 |
| T16 | 16-pin connector, behind steering column, self-diagnosis connection, |
| TV4 | Terminal 15 junction box, black |
| TV14 | Terminal for self-diagnosis, white |
| TV16 | Terminal for data bus, No. 5 on relay location or behind relay plate* |
| 32 | Earth point, behind dash panel, left |
| 80 | Earth connection -1-, in dash panel wiring harness |
| 110 | Earth connection -2-, in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| -••- | Only models from September 1999 |
| * | Does not apply to engine codes AAC, AET, AEU, AES, ABL, AJA |
| F1 | Oil pressure switch |
| G1 | Fuel gauge |
| G2 | Coolant temperature sender |
| G3 | Coolant temperature gauge |
| G5 | Rev. counter |
| G32 | Coolant shortage indicator sender |
| H3 | Buzzer/gong |
| J285 | Control unit with display in dash panel insert |
| J533 | Data bus diagnostic interface, in dash panel insert* |
| K3 | Oil pressure warning lamp |
| K28 | Coolant temperature/coolant shortage warning lamp |
| T32 | 32-pin connector, blue |
| T32a | 32-pin connector, green |
| * | Does not apply to engine codes AAC, AET, AEU, AES, ABL, AJA |
| C | Alternator |
| J285 | Control unit with display in dash panel insert |
| K1 | Main beam warning lamp |
| K2 | Alternator warning lamp |
| K13 | Rear fog light warning lamp |
| K65 | Left turn signal warning lamp |
| K94 | Right turn signal warning lamp |
| T1 | Single connector, behind relay plate |
| T1b | Single connector, near starter |
| T1g | Single connector, behind relay plate |
| T2g | 2-pin connector, behind relay plate |
| T6a | 6-pin connector, behind relay plate |
| T32 | 32-pin connector, blue |
| Y4 | Odometer display |
| G34 | Brake lining/pad wear sender, front left** |
| G37 | Brake lining/pad wear sender, rear right |
| J104 | ABS with EDL control unit |
| J285 | Control unit with display in dash panel insert |
| K32 | Brake pad/lining warning lamp |
| K47 | ABS warning lamp |
| T1i | Single connector, behind relay plate |
| T2c | 2-pin connector |
| T2d | 2-pin connector |
| T2f | 2-pin connector |
| T31 | 31-pin connector, on ABS control unit |
| T32 | 32-pin connector, blue |
| T32a | 32-pin connector, green |
| C5 | Connection -1- (brake lining/ pad wear monitor), in front left wiring harness |
| C6 | Connection -2- (brake lining/ pad wear monitor), in front left wiring harness |
| * | Only models with ABS |
| --- | Only models without ABS |
| ** | Models with 16-inch. running gear ⇒ Current Flow Diagram brake lining/ pad wear indicator No. 89/1 |
| F9 | Handbrake warning switch |
| F34 | Brake fluid level warning contact |
| G21 | Speedometer |
| G22 | Speedometer sender (Hall sender, on gearbox) |
| J234 | Airbag control unit |
| J285 | Control unit with display in dash panel insert |
| K75 | Airbag warning lamp |
| K118 | Brake system warning lamp |
| T1v | Single connector, behind relay plate |
| T2i | 2-pin connector, behind relay plate |
| T32 | 32-pin connector, blue |
| T32a | 32-pin connector, green |
| T50 | 50-pin connector, on airbag control unit |
| TV13 | Terminal for speed signal, blue |
| 30 | Earth point -1-, next to relay plate |
| 81 | Earth connection -1-, in dash panel wiring harness (only models without ABS) |
| * | Only models with ABS |
| --- | Only models without ABS |
| -••- | Only models without airbag |
| J285 | Control unit with display in dash panel insert |
| L75 | Digital display illumination |
| R | Radio |
| SB9 | Fuse -9- in fuse box/relay plate, below the relay plate |
| T1s | Single connector, behind relay plate |
| T2 | 2-pin connector, behind relay plate, up to August 2000 |
| T2z | 2-pin connector, behind relay plate |
| T4h | 4-pin connector, behind relay plate, from September 2000 |
| T6a | 6-pin connector, behind relay plate |
| T8 | 8-pin connector, on radio |
| T32 | 32-pin connector, blue |
| T32a | 32-pin connector, green |
| 45 | Earth point, behind dash panel - centre |
| * | Up to August 2000 |
| --- | From September 2000 |
| F2 | Door contact switch, driver's side |
| F3 | Door contact switch, front passenger's side |
| F7 | Rear right door contact switch (sliding door) |
| F160 | Rear left door contact switch (rear) |
| T1e | Single connector, behind relay plate |
| T1h | Single connector, behind dash panel, right |
| T1k | Single connector, near right tail light |
| T2j | 2-pin connector, near interior light, centre |
| TV17 | Terminal for door contact switch (with load), brown |
| TV25 | Terminal for door contact switch (no load), pink |
| W1 | Interior light, front |
| W7 | Interior light, centre |
| W13 | Front passenger reading lamp |
| W15 | Interior light with switch-off delay |
| 30 | Earth point -1-, next to relay plate |
| 128 | Earth connection -1-, in interior light wiring harness |
| R4 | Connection -1-, in interior light/door contact switch wiring harness |
| R6 | Positive (+) connection -1-, in interior light wiring harness |
| E3 | Hazard warning light switch |
| E102 | Headlight range control adjuster |
| J1 | Turn signal relay |
| K6 | Hazard warning light system warning lamp |
| T2 | 2-pin connector, behind relay plate, up to August 2000 |
| T3a | 3-pin connector |
| T3b | 3-pin connector |
| T3c | 3-pin connector, behind relay plate |
| T4h | 4-pin connector, behind relay plate, from September 2000 |
| T6a | 6-pin connector, behind relay plate |
| T8b | 8-pin connector |
| V48 | Headlight range control motor, left |
| V49 | Headlight range control motor, right |
| 224 | Earth connection, in lighting switch wiring harness |
| A40 | Positive (+) connection -1- (30), in instruments wiring harness |
| * | Up to August 2000 |
| --- | From September 2000 |
| L1 | Twin filament bulb for headlight, left |
| L2 | Twin filament bulb for headlight, right |
| M1 | Side light bulb, left |
| M3 | Side light bulb, right |
| M5 | Turn signal bulb, front left |
| M7 | Turn signal bulb, front right |
| T2b | 2-pin connector, behind relay plate |
| T4c | 4-pin connector |
| T4d | 4-pin connector |
| 119 | Earth connection -1-, in headlight wiring harness |
| 120 | Earth connection -2-, in headlight wiring harness |
| C28 | Connection -1- (56b), in headlight wiring harness |
| M8 | Turn signal bulb, rear right |
| M17 | Reversing light bulb, right |
| M22 | Brake and tail light bulb, right |
| T1w | Single connector, behind relay plate |
| T4e | 4-pin connector, near right tail light |
| T5 | 5-pin connector |
| T7 | 7-pin connector |
| X | Number plate light |
| 60 | Earth point, -2-, near right tail light |
| 64 | Earth point, right tail light bulb holder |
| Q22 | Connection -1-, in tailgate/boot lid wiring harness |
| E15 | Heated rear window switch |
| K10 | Heated rear window warning lamp |
| L39 | Heated rear window switch bulb |
| SB12 | Fuse -12- in fuse box/relay plate, below the relay plate |
| T1r | Single connector, behind relay plate |
| T1t | Single connector, behind relay plate |
| T3d | 3-pin connector, behind relay plate |
| T4e | 4-pin connector, near right tail light |
| T6 | 6-pin connector |
| TV8 | Terminal 58b junction box, grey |
| Z1 | Heated rear window |
| E22 | Intermittent wiper switch |
| J31 | Automatic intermittent wash/wipe relay |
| T4b | 4-pin connector, behind steering column switch trim |
| T5c | 5-pin connector, behind steering column switch trim |
| V | Windscreen wiper motor |
| 30 | Earth point -1-, next to relay plate |
| C51 | Positive (+) connection (X), in windscreen wiper motor wiring harness |
| ** | Only models without multi-function display |
| -••- | Only models with ESP |
| J30 | Rear window wiper/washer relay |
| T1d | Single connector, on rear window wiper/washer relay |
| T1y | Single connector, in tailgate/boot lid |
| T2l | 2-pin connector, on bulkhead, right |
| T4e | 4-pin connector, near right tail light |
| TV18 | Terminal Xa junction box, lilac |
| V12 | Rear window wiper motor |
| V59 | Windscreen and rear window washer pump |
| Z20 | Heater element, left washer jet |
| Z21 | Heater element, right washer jet |
| 60 | Earth point, -2-, near right tail light |
| 98 | Earth connection, in tailgate/boot lid wiring harness |
| 261 | Earth connection, in heated washer jet wiring harness |
| C53 | Positive (+) connection, in heated washer jet wiring harness |
| F138 | Airbag coil connector/horn plate |
| H | Horn plate |
| H1 | Horn/dual tone horn |
| J4 | Dual tone horn relay |
| T2h | 2-pin connector, in engine compartment, front left |
| T4g | 4-pin connector, behind steering column switch trim |
| T5g | 5-pin connector |
| T7a | 7-pin connector, behind steering column switch trim |
| 129 | Earth connection, in dual tone horn wiring harness |
| C13 | Positive (+) connection, dual tone horn wiring harness |
| *** | Only models without ESP |
| -••- | Only models with ESP |