| A | Battery |
| B | Starter |
| D | Ignition/starter switch |
| J17 | Fuel pump relay |
| J59 | X-contact relief relay |
| SB16 | Fuse 16 on fuse holder |
| S163 | Fuse 2 (30), on battery fuse holder |
| T10a | 10-pin connector, green, near relay station |
| 1 | Earth strap, battery - body |
| 3 | Earth strap, engine - body |
| 500 | Screw connection 1 (30), on relay plate |
| A61 | Positive connection (X), in instrument panel wiring harness |
| B6 | Connection (s), in steering column switch wiring harness |
| B115 | Positive connection, (30, central electrics), in interior wiring harness |
| * | Only models with petrol engine |
| ** | Only models with diesel engine |
| C | Alternator |
| E24 | Driver side belt switch |
| G5 | Rev. counter |
| J6 | Voltage stabiliser |
| J285 | Control unit with display in dash panel insert |
| J533 | Data bus diagnostic interface control unit |
| K2 | Alternator warning lamp |
| K19 | Seat belt warning system warning lamp |
| SB27 | Fuse 27 on fuse holder |
| L75 | Digital display illumination bulb |
| T2t | 2-pin connector, under driver seat |
| T10d | 10-pin connector, red, relay station |
| T16 | 16-pin connector, self-diagnosis connection, on right in glove compartment |
| T32 | 32-pin connector, blue |
| Y4 | Trip counter |
| 76 | Earth point, near selector mechanism |
| B6 | Connection (s), in steering column switch wiring harness |
| B102 | Earth connection, in front left interior wiring harness |
| B111 | Positive connection 1 (30a), in interior wiring harness |
| * | Not on all equipment levels |
| F9 | Handbrake warning switch |
| F34 | Brake fluid level warning contact |
| J285 | Control unit with display in dash panel insert |
| J533 | Data bus diagnostic interface control unit |
| K1 | Main beam warning lamp |
| K4 | Side light warning lamp |
| K7 | Dual circuit brakes/handbrake warning lamp |
| K13 | Rear fog light warning lamp |
| K65 | Left turn signal warning lamp |
| K94 | Right turn signal warning lamp |
| K118 | Brake system warning lamp |
| L10 | Dash panel insert illumination bulb |
| T10a | 10-pin connector, near relay station |
| T10b | 10-pin connector, near relay station |
| T32 | 32-pin connector, blue |
| T32a | 32-pin connector, green |
| Y2 | Digital clock |
| 59 | Earth point, near left tail light |
| 131 | Earth connection 2, in engine compartment wiring harness |
| 167 | Earth connection 4, in engine compartment wiring harness |
| A59 | Connection (sender), in dash panel wiring harness |
| A121 | Connection (high bus), in dash panel wiring harness |
| A122 | Connection (low bus), in dash panel wiring harness |
| * | Not for ABS |
| E1 | Light switch |
| E20 | Switch and instrument illumination regulator |
| E23 | Front and rear fog light switch |
| J39 | Headlight washer system relay |
| K4 | Side light warning lamp |
| L9 | Light switch illumination bulb |
| T10a | 10-pin connector, green, near relay station |
| T10b | 10-pin connector, black, near relay station |
| 85 | Earth connection 1, in engine compartment wiring harness |
| 131 | Earth connection 2, in engine compartment wiring harness |
| A3 | Positive connection (58), in dash panel wiring harness |
| A88 | Connection (RFL), in dash panel wiring harness |
| B1 | Connection (56b), in steering column switch wiring harness |
| B144 | Positive connection (58l), in interior wiring harness |
| * | Only models with headlight washer system |
| J... | Injection system control units |
| L20 | Rear fog light bulb |
| M4 | Left tail light bulb |
| M6 | Rear left turn signal bulb |
| M9 | Left brake light bulb |
| M25 | High level brake light bulb |
| T1a | 1-pin connector, black, in rear lid |
| T5b | 5-pin connector, black, on left rear light |
| T5c | 5-pin connector, black, in rear lid feeder wiring harness |
| T5f | 5-pin connector, black, in rear lid |
| T10 | 10-pin connector, white, near relay station |
| T10b | 10-pin connector, black, near relay station |
| Z1 | Heated rear window |
| A82 | Connection (windscreen heater), in dash panel wiring harness |
| A84 | Connection (58L), in dash panel wiring harness |
| B131 | Connection (54), in interior wiring harness |
| B152 | Connection (BL), in interior wiring harness |
| * | Not with all levels of equipment |
| ** | Not models with an automatic gearbox |
| *** | Only models with a petrol engine |
| E4 | Headlight dipper and flasher switch |
| M2 | Right tail light bulb |
| M8 | Rear right turn signal bulb |
| M10 | Right brake light bulb |
| M17 | Right reversing light bulb |
| SB12 | Fuse 12 in fuse holder |
| SB13 | Fuse 13 in fuse holder |
| SB44 | Fuse 44 on fuse holder |
| SB45 | Fuse 45 on fuse holder |
| T5 | 5-pin connector, black, behind steering column switch trim |
| T5a | 5-pin connector, black, on rear right tail light |
| T10d | 10-pin connector, red, near relay station |
| A85 | Connection (58R), in dash panel wiring harness |
| A84 | Connection (58L), in dash panel wiring harness |
| A87 | Connection (RL), in dash panel wiring harness |
| B1 | Connection (56b), in steering column switch wiring harness |
| B131 | Connection (54), in interior wiring harness |
| B152 | Connection (BL), in interior wiring harness |
| B153 | Connection (RTS), in interior wiring harness |
| B166 | Connection (56a), in interior wiring harness |
| E2 | Turn signal switch |
| E19 | Parking light switch |
| L1 | Left twin filament bulb |
| L2 | Right twin filament bulb |
| M1 | Left side light bulb |
| M3 | Right side light bulb |
| SB4 | Fuse 4 in fuse holder |
| SB5 | Fuse 5 in fuse holder |
| T7 | 7-pin connector, black, behind steering column switch trim |
| T8e | 8-pin connector, black, near left headlight |
| T8f | 8-pin connector, black, near left headlight |
| T10b | 10-pin connector, black, near relay station |
| T10c | 10-pin connector, blue |
| T10d | 10-pin connector, red |
| 119 | Earth connection 1, in headlight wiring harness |
| A84 | Connection (58L), in dash panel wiring harness |
| A85 | Connection (58R), in dash panel wiring harness |
| B152 | Connection (BL), in interior wiring harness |
| B153 | Connection (RTS), in interior wiring harness |
| C28 | Connection 1 (56b), in headlight wiring harness |
| C29 | Connection 2 (56b), in headlight wiring harness |
| E3 | Hazard warning light switch |
| J1 | Turn signal relay |
| K6 | Hazard warning light system warning lamp |
| M5 | Front left turn signal bulb |
| M7 | Front right turn signal bulb |
| M18 | Left side repeater turn signal bulb |
| M19 | Right side repeater turn signal bulb |
| SB7 | Fuse 7 on fuse holder |
| T7c | 7-pin connector |
| T10b | 10-pin connector, black, coupling station under relay carrier |
| T10c | 10-pin connector, blue, coupling station under relay carrier |
| 85 | Earth connection 1, in engine compartment wiring harness |
| B152 | Connection (BL), in interior wiring harness |
| B153 | Connection (RTS), in interior wiring harness |
| E20 | Switch and instrument illumination regulator * |
| E102 | Headlight range control regulator * |
| L54 | Headlight range control regulator illumination bulb |
| SB9 | Fuse 9 on fuse holder |
| T6 | 6-pin connector |
| T8e | 8-pin connector, black, near left headlight |
| T8f | 8-pin connector, black, near left headlight |
| T10c | 10-pin connector, blue, near relay station |
| V48 | Headlight range control motor * |
| V49 | Right headlight range control motor * |
| 85 | Earth connection 1, in engine compartment wiring harness |
| A114 | Connection (headlight range control), in dash panel wiring harness |
| * | Not for gas discharge headlight, see current flow diagram No. 43 |
| E22 | Intermittent wiper switch |
| E34 | Rear wiper switch |
| H | Horn plate |
| H1 | Horn or dual tone horn |
| J31 | Automatic intermittent wash and wipe relay |
| T4a | 4-pin connector, black, behind steering column switch trim |
| T5c | 5-pin connector, black, in rear lid feeder wiring harness |
| T5e | 5-pin connector, black, behind steering column switch trim |
| T7 | 7-pin connector, black, behind steering column switch trim |
| T10 | 10-pin connector, white, near relay station |
| T10a | 10-pin connector, green, near relay station |
| T10b | 10-pin connector, black, near relay station |
| T10c | 10-pin connector, blue, near relay station |
| T10d | 10-pin connector, red |
| V | Windscreen wiper motor |
| V59 | Windscreen and rear window washer pump |
| 81 | Earth connection 1, in dash panel wiring harness |
| B162 | Connection (75a), in interior wiring harness |
| Q44 | Connection 2, in rear lid wiring harness |
| * | Not with headlight washer system |
| F5 | Luggage compartment light switch |
| T1c | Single connector, black, in rear wash and wipe system relay |
| T2 | 2-pin connector, black, in left plenum chamber |
| T2d | 2-pin connector, black, on left on engine compartment lid |
| T2e | 2-pin connector, black, on right on engine compartment lid |
| T3a | 3-pin connector, black, in rear lid near wiper motor |
| T5c | 5-pin connector, black, in rear lid feeder wiring harness |
| T5f | 5-pin connector, black, in rear lid |
| V12 | Rear window wiper motor |
| W3 | Luggage compartment light |
| Z20 | Left washer jet heater element |
| Z21 | Right washer jet heater element |
| 59 | Earth point, near left tail light |
| 287 | Earth connection, in rear lid feeder wiring harness |
| A96 | Connection (53a), in dash panel wiring harness |
| E15 | Heated rear window switch |
| K10 | Heated rear window warning lamp |
| L39 | Heated rear window switch illumination bulb |
| R | Radio |
| R11 | Aerial |
| R20 | Front left treble loudspeaker |
| R21 | Front left bass loudspeaker |
| R22 | Front right treble loudspeaker |
| R23 | Front right bass loudspeaker |
| R24 | Aerial amplifier |
| SB6 | Fuse 6 on fuse holder |
| SB42 | Fuse 42 on fuse holder |
| SB43 | Fuse 43 on fuse holder |
| SB48 | Fuse 48 on fuse holder |
| SB50 | Fuse 50 on fuse holder |
| T1b | Single connector, black, on lower part of right A-pillar |
| T3e | 3-pin connector, black, on lower part of left A-pillar |
| T3f | 3-pin connector, black, on lower part of right A-pillar |
| T8 | 8-connector, black, on radio |
| T8a | 8-connector, brown, on radio |
| U1 | Cigarette lighter |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A34 | Connection (75x), in dash panel wiring harness |
| B151 | Positive connection 3 (30a), in interior wiring harness |
| E9 | Fresh air blower switch |
| L16 | Fresh air regulator illumination bulb |
| K114 | Fresh air and air recirculation warning lamp |
| N24 | Fresh air blower series resistor with overheating fuse |
| SB10 | Fuse 10 on fuse holder |
| SB26 | Fuse 10 on fuse holder |
| S230 | Fuse on fuse holder |
| T4e | 4-pin connector, black, on fresh air blower series resistor |
| T6a | 6-pin connector, black |
| T8d | 8-pin connector, black, behind dash panel |
| T8g | 8-pin connector |
| V2 | Fresh air blower |
| V154 | Fresh air and air recirculation flap control motor |
| 162 | Earth connection, in blower motor wiring harness |
| 606 | Earth point, under centre console near gear stick |
| A1 | Positive connection (30a), in dash panel wiring harness |
| A20 | Positive connection (15a), in dash panel wiring harness |
| F2 | Driver door contact switch |
| F3 | Front passenger door contact switch |
| L22 | Left fog light bulb |
| L23 | Right fog light bulb |
| T9 | 9-pin connector, in interior light wiring harness |
| W | Front interior light |
| 120 | Earth connection 2, in headlight wiring harness |
| 303 | Earth connection rain sensor/mirror, in interior wiring harness |
| A1 | Positive connection (30a), in dash panel wiring harness |
| B109 | Earth connection, in rear left interior wiring harness |
| B154 | Connection 1 (DCt), in interior wiring harness |
| B155 | Connection 2 (DCt), in interior wiring harness |
| C25 | Connection (fog light), in front lighting wiring harness |
| F | Brake light switch |
| F63 | Brake pedal switch |
| J... | Engine control units |
| J104 | ABS control unit |
| SB2 | Fuse 2 in relay plate fuse holder |
| SB11 | Fuse 11 in relay plate fuse holder |
| SB14 | Fuse 14 in relay plate fuse holder |
| SB15 | Fuse 15 in relay plate fuse holder |
| SB24 | Fuse 24 in relay plate fuse holder |
| T10 | 10-pin connector, white, near relay station |
| T25 | 25-pin connector |
| X | Number plate light |
| 59 | Earth point, near left tail light |
| 501 | Screw connection 2 (30), on relay plate |
| A89 | Connection 2 (54) in dash panel wiring harness |
| B8 | Positive connection (58), in light switch wiring harness |
| B109 | Earth connection, in rear left interior wiring harness |
| B150 | Positive connection 2 (30a), in interior wiring harness |
| B163 | Positive connection 1 (15), in interior wiring harness |
| W27 | Positive connection (58), in tail lights wiring harness |
| D2 | Reader coil |
| F4 | Reversing light switch |
| L79 | Selector lever illumination |
| J... | Injection system control units |
| J104 | ABS control unit, on left in engine compartment |
| J362 | Immobilizer control unit, next to steering column |
| SB28 | Fuse 28 in relay plate fuse holder |
| SB29 | Fuse 29 in relay plate fuse holder |
| T3 | 3-pin connector, black, on immobilizer control unit |
| T4k | 4-pin connector, black (LHD) |
| T10a | 10-pin connector, black, near relay station |
| T10c | 10-pin connector, near relay station |
| T10k | 10-pin connector, black |
| T10s | 10-pin connector, near relay station |
| 76 | Earth point, near selector mechanism |
| A76 | Connection (K-diagnosis wire), in dash panel wiring harness |
| B149 | Positive connection 2 (15a), in interior wiring harness |
| B235 | Positive connection 4 (15a), in interior wiring harness |
| D101 | Connection 1, in engine compartment wiring harness |
| * | Only models with a petrol engine |
| ** | Only models with an automatic gearbox |
| D | Ignition/starter switch |
| E22 | Intermittent wiper switch |
| H | Horn plate |
| H1 | Horn or dual tone horn |
| H2 | Treble horn |
| H7 | Bass horn |
| J4 | Dual tone horn relay |
| SB19 | Fuse 19 on fuse holder |
| SB47 | Fuse 47 on fuse holder |
| T7 | 7-pin connector, on windscreen wiper switch |
| T10 | 10-pin connector, white, coupling station under relay carrier |
| 12 | Earth point, on left in engine compartment |
| 76 | Earth point, near selector mechanism |
| 81 | Earth connection 1, in dash panel wiring harness |
| 82 | Earth connection 1, in front left wiring harness |
| 108 | Earth connection 2, in front left wiring harness |
| A90 | Connection (dual tone horn), in dash panel wiring harness |
| B135 | Connection 1 (15a), in interior wiring harness |
| * | Only GTI |
