| 3 | Earth strap, engine support right, to longitudinal member right, front |
| 12 | Earth point, in engine compartment, left |
| 32 | Earth point, behind dash panel, left |
| 43 | Earth point, lower part of right A-pillar |
| 81 | Earth connection -1-, in dash panel wiring harness |
| 83 | Earth connection -1-, in front right wiring harness |
| 86 | Earth connection -1-, in rear wiring harness |
| 87 | Earth connection -2-, in rear wiring harness |
| 135 | Earth connection -2-, in dash panel wiring harness |
| 176 | Earth connection, in right headlight wiring harness |
| 196 | Earth connection -3-, in rear wiring harness |
| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| T2ab | 2-pin connector, grey, in engine compartment, right |
| T10 | 10-pin connector, brown, connector point, electronics box, plenum chamber |
| T10m | 10-pin connector, black, connector point, electronics box, plenum chamber |
| 11 | Earth point, in battery box |
| 44 | Earth point, lower part of left A pillar |
| 81 | Earth connection -1-, in dash panel wiring harness |
| 179 | Earth connection, in left headlight wiring harness |
| A17 | Connection (61), in dash panel wiring harness |
| * | Only models with manual gearbox |
| J17 | Fuel pump relay |
| J220 | Motronic control unit |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| N80 | Activated charcoal filter system solenoid valve 1 |
| N83 | Injector, cylinder 5 |
| N84 | Injector, cylinder 6 |
| N112 | Secondary air inlet valve |
| N156 | Intake manifold change-over valve |
| N205 | Inlet camshaft timing adjustment valve -1- |
| N208 | Inlet camshaft timing adjustment valve -2- |
| T10m | 10-pin connector, black, connector point, electronics box, plenum chamber |
| T10ar | 10-pin connector, orange, connector point, electronics box, plenum chamber |
| A86 | Connection (50a), in dash panel wiring harness |
| D22 | Connection (via fuse 234), in front right wiring harness |
| D95 | Connection (injectors), in engine compartment wiring harness |
| * | Applies to engine codes AQD and ARJ only |
| ** | Only models with manual gearbox |
| E45 | Cruise control system switch |
| G2 | Coolant temperature sender |
| G42 | Intake air temperature sender |
| G61 | Knock sensor I |
| G62 | Coolant temperature sender |
| G66 | Knock sensor II |
| J220 | Motronic control unit |
| T3n | 3-pin connector, blue, in engine compartment, left |
| T3o | 3-pin connector, blue, in engine compartment, left |
| T6y | 6-pin connector, black, next to steering column |
| T15 | 15-pin connector, white, connector point, electronics box, plenum chamber |
| 104 | Earth connection, in front right wiring harness (sensor earth) |
| 220 | Earth connection (sender earth), in engine wiring harness |
| * | Only models with cruise control system |
| G28 | Engine speed sender |
| G40 | Hall sender 1 |
| G79 | Accelerator pedal position sender |
| G163 | Hall sender 2 |
| G185 | Accelerator pedal position sender -2- |
| J220 | Motronic control unit |
| T3m | 3-pin connector, grey, in engine compartment, left |
| T6as | 6-pin connector, black, in engine compartment, rear |
| T10 | 10-pin connector, brown, connector point, electronics box, plenum chamber |
| T10m | 10-pin connector, black, connector point, electronics box, plenum chamber |
| T15 | 15-pin connector, white, connector point, electronics box, plenum chamber |
| 220 | Earth connection (sender earth), in engine wiring harness |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A45 | Connection (engine speed signal), in dash panel wiring harness |
| D141 | Connection (5V), in engine prewiring wiring harness |
| F | Brake light switch |
| F36 | Clutch pedal switch |
| G70 | Air mass meter |
| J220 | Motronic control unit |
| J299 | Secondary air pump relay |
| S130 | Secondary air pump fuse |
| T10ar | 10-pin connector, orange, connector point, electronics box, plenum chamber |
| T15 | 15-pin connector, white, connector point, electronics box, plenum chamber |
| V101 | Secondary air pump motor |
| 12 | Earth point, in engine compartment, left |
| 200 | Earth connection (screening), in engine compartment wiring harness |
| A18 | Connection (54), in dash panel wiring harness |
| A40 | Positive (+) connection -1- (30), in dash panel wiring harness |
| A104 | Positive (+) connection -2- (15), in dash panel wiring harness |
| A106 | Connection -2- (86s), in dash panel wiring harness |
| D101 | Connection -1-, in engine compartment wiring harness |
| * | Applies to engine codes AQD and ARJ only |
| ** | Only models with manual gearbox |
| E87 | Control and display unit for air conditioner |
| G39 | Lambda probe |
| G108 | Lambda probe 2 |
| J220 | Motronic control unit |
| J338 | Throttle valve control unit |
| T4y | 4-pin connector, black, in engine compartment, right |
| T4z | 4-pin connector, black, in engine compartment, left |
| T15m | 15-pin connector, red, connector point, electronics box, plenum chamber |
| Z19 | Lambda probe heater |
| Z28 | Lambda probe 2 heater |
| 83 | Earth connection -1-, in front right wiring harness |
| 200 | Earth connection (screening), in engine compartment wiring harness |
| A100 | Connection -2- (87), in dash panel wiring harness |
| * | Only models with air conditioner |
| C6 | Coil condenser |
| E87 | Control and display unit for air conditioner |
| J220 | Motronic control unit |
| N | Ignition coil 1 |
| N122 | Final output stage 1 |
| N128 | Ignition coil 2 |
| N158 | Ignition coil 3 |
| P | Spark plug connector |
| Q | Spark plugs |
| T5d | 5-pin connector, near ignition coil |
| T10ar | 10-pin connector, orange, connector point, electronics box, plenum chamber |
| T15m | 15-pin connector, red, connector point, electronics box, plenum chamber |
| 83 | Earth connection -1-, in front right wiring harness |
| A70 | Connection (15a, fuse 231), in dash panel wiring harness |
| A121 | Connection (high bus), in dash panel wiring harness |
| A122 | Connection (low bus), in dash panel wiring harness |
| D23 | Connection (via fuse 229), in front right wiring harness |
| * | Only models with front-wheel drive |
| ** | Only models with air conditioner |
| Data wire (CAN bus) |
| D | Ignition/starter switch |
| J59 | X contact relief relay |
| J234 | Airbag control unit |
| T10an | 10-pin connector, yellow, right connector point, A pillar |
| T15a | 15-pin connector, black, right connector point, A pillar |
| 109 | Earth connection, in airbag wiring harness |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A21 | Positive (+) connection (86s), in dash panel wiring harness |
| * | Only models with manual gearbox |
| F4 | Reversing light switch |
| L46 | Rear fog light bulb, left |
| L47 | Rear fog light bulb, right |
| M2 | Tail light bulb, right |
| M4 | Tail light bulb, left |
| M6 | Turn signal bulb, rear left |
| M8 | Turn signal bulb, rear right |
| M9 | Brake light bulb, left |
| M10 | Brake light bulb, right |
| M16 | Reversing light bulb, left |
| M17 | Reversing light bulb, right |
| M25 | High level brake light bulb |
| T3au | 3-pin connector, red, connector point, electronics box, plenum chamber |
| T6e | 6-pin connector, blue, left connector point, A pillar |
| T10 | 10-pin connector, brown, connector point, electronics box, plenum chamber |
| T10a | 10-pin connector, brown, left connector point, A pillar |
| 86 | Earth connection -1-, in rear wiring harness |
| 196 | Earth connection -3-, in rear wiring harness |
| A87 | Connection (reversing light), in dash panel wiring harness |
| * | Only models with manual gearbox |
| F34 | Brake fluid level warning contact |
| S1 | Fuse in fuse box |
| S2 | Fuse in fuse box |
| S3 | Fuse in fuse box |
| S4 | Fuse in fuse box |
| S224 | Fuse in fuse box |
| S225 | Fuse in fuse box |
| S226 | Fuse in fuse box |
| T2f | 2-pin connector, on bonnet |
| T2g | 2-pin connector, on bonnet |
| T10a | 10-pin connector, brown, left connector point, A pillar |
| T10c | 10-pin connector, violet, left connector point, A pillar |
| W6 | Glove box light |
| X | Number plate light |
| Z20 | Heater element, left washer jet |
| Z21 | Heater element, right washer jet |
| 81 | Earth connection -1-, in dash panel wiring harness |
| 87 | Earth connection -2-, in rear wiring harness |
| 261 | Earth connection, in heated washer jet wiring harness |
| A3 | Positive (+) connection (58), in dash panel wiring harness |
| A34 | Connection (75x), in dash panel wiring harness |
| A37 | Connection (58a), in dash panel wiring harness |
| W2 | Positive (+) connection (58), in rear wiring harness |
| W13 | Connection (58L), in rear wiring harness |
| * | Only models with heated washer jets |
| H | Horn plate |
| H2 | High tone horn |
| H7 | Low tone horn |
| J4 | Dual tone horn relay |
| S12 | Fuse in fuse box |
| S13 | Fuse in fuse box |
| S14 | Fuse in fuse box |
| S15 | Fuse in fuse box |
| S238 | Fuse in fuse box |
| S239 | Fuse in fuse box |
| S240 | Fuse in fuse box |
| T3ag | 3-pin connector, black, right connector point, A pillar |
| T5g | 5-pin connector, behind steering column switch trim |
| T6a | 6-pin connector, red, right connector point, A pillar |
| T10ad | 10-pin connector, red, left connector point, A pillar |
| T16 | 16-pin connector, (diagnosis connection) in centre console rear |
| W | Interior light, front |
| 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 |
| A50 | Positive (+) connection (30as), in dash panel wiring harness |
| A72 | Connection (71), in dash panel wiring harness |
| A90 | Connection (dual tone horn), in dash panel wiring harness |
| S1 | Positive (+) connection (30), in central locking wiring harness |
| * | See Current Flow Diagram for central locking |
| E102 | Headlight range control adjuster |
| L1 | Twin filament bulb for headlight, left |
| L2 | Twin filament bulb for headlight, right |
| M1 | Side light bulb, left |
| M3 | Side light bulb, right |
| S18 | Fuse in fuse box |
| S19 | Fuse in fuse box |
| S20 | Fuse in fuse box |
| S21 | Fuse in fuse box |
| S22 | Fuse in fuse box |
| S223 | Fuse in fuse box |
| T6 | 6-pin connector, yellow, right connector point, A pillar |
| T6a | 6-pin connector, red, right connector point, A pillar |
| T8g | 8-pin connector, headlight, right |
| T8h | 8-pin connector, headlight, left |
| T10ad | 10-pin connector, red, left connector point, A pillar |
| T10ae | 10-pin connector, light pink, left connector point, A pillar |
| V48 | Headlight range control motor, left |
| V49 | Headlight range control motor, right |
| 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 |
| L15 | Ashtray light bulb |
| L28 | Cigarette lighter light bulb |
| L67 | Dash panel left vent illumination |
| L68 | Dash panel central vent illumination |
| L69 | Dash panel right vent illumination |
| L87 | Rear vent illumination |
| S228 | Fuse in fuse box |
| S229 | Fuse in fuse box |
| S232 | Fuse in fuse box |
| S233 | Fuse in fuse box |
| S234 | Fuse in fuse box |
| T6e | 6-pin connector, blue, left connector point, A pillar |
| T10ar | 10-pin connector, orange, connector point, electronics box, plenum chamber |
| U1 | Cigarette lighter |
| W50 | Illuminated cup holder |
| 81 | Earth connection -1-, in dash panel wiring harness |
| A19 | Connection (58d), in dash panel wiring harness |
| A20 | Connection (15a), in dash panel wiring harness |
| A151 | Connection -4- (87), in dash panel wiring harness |
| A152 | Connection -5- (87), in dash panel wiring harness |
| * | Only models with cruise control system |
| E18 | Rear fog light switch |
| J512 | Fog lights/rear fog light control unit |
| S5 | Fuse in fuse box |
| S6 | Fuse in fuse box |
| S7 | Fuse in fuse box |
| S231 | Fuse in fuse box |
| S236 | Fuse in fuse box |
| S237 | Fuse in fuse box |
| T10i | 10-pin connector, black, in centre console |
| T15a | 15-pin connector, black, right connector point, A pillar |
| 81 | Earth connection -1-, in dash panel wiring harness |
| A19 | Connection (58d), in dash panel wiring harness |
| A47 | Connection (55), in dash panel wiring harness |
| A57 | Connection (30a), in dash panel wiring harness |
| A88 | Connection (rear fog light), in dash panel wiring harness |
| Q53 | Positive (+) connection (15), in anti-theft alarm system wiring harness |
| * | Without radio terminal 30a |
| F9 | Handbrake warning switch |
| J218 | Combi-processor in dash panel insert |
| K1 | Main beam warning lamp |
| K2 | Alternator warning lamp |
| K4 | Side light warning lamp |
| K14 | Handbrake warning lamp |
| K18 | Trailer operation warning lamp |
| K65 | Left turn signal warning lamp |
| K86 | Traction control system warning lamp |
| K94 | Right turn signal warning lamp |
| K98 | Convertible top latched warning lamp |
| K132 | Electronic power control fault lamp |
| K149 | Engine electronics warning lamp |
| T10 | 10-pin connector, brown, connector point, electronics box, plenum chamber |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| 81 | Earth connection -1-, in dash panel wiring harness |
| A4 | Positive (+) connection (58b), in dash panel wiring harness |
| A24 | Connection (brake system monitoring), in dash panel wiring harness |
| * | Only models with trailer coupling |
| E87 | Control and display unit for air conditioner |
| J218 | Combi-processor in dash panel insert |
| J446 | Parking aid control unit |
| J452 | Door warning lamps control unit |
| T10 | 10-pin connector, brown, connector point, electronics box, plenum chamber |
| T10aa | 10-pin connector, orange, right connector point, A pillar |
| T10ab | 10-pin connector, white, right connector point, A pillar |
| T15a | 15-pin connector, black, right connector point, A pillar |
| T15m | 15-pin connector, red, connector point, electronics box, plenum chamber |
| T16 | 16-pin connector, centre console, rear (diagnosis connection) |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| V94 | Central locking motor with control unit for interior lights switch-off delay and anti-theft alarm system |
| 135 | Earth connection -2-, in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| * | Only models with air conditioner |
| ** | Only models with parking aid |
| E20 | Switches and instruments, lighting control |
| F1 | Oil pressure switch |
| F66 | Coolant shortage indicator switch |
| G | Fuel gauge sender |
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| G5 | Rev. counter |
| G6 | Fuel pump (pre-supply pump) |
| G9 | Oil temperature gauge |
| G14 | Voltmeter |
| G21 | Speedometer |
| G22 | Speedometer sender (Hall sender, on gearbox) |
| H3 | Buzzer/gong |
| J218 | Combi-processor in dash panel insert |
| T10a | 10-pin connector, brown, left connector point, A pillar |
| T10m | 10-pin connector, black, connector point, electronics box, plenum chamber |
| T10ao | 10-pin connector, white, left connector point, A pillar |
| T32 | 32-pin connector, blue, on dash panel insert |
| Y | Analogue clock |
| 83 | Earth connection -1-, in front right wiring harness |
| 86 | Earth connection -1-, in rear wiring harness |
| 139 | Earth connection (sender earth), in Motronic wiring harness |
| 199 | Earth connection -3-, in dash panel wiring harness |
| D2 | Immobilizer reading coil |
| G8 | Oil temperature sender |
| G34 | Brake lining/pad wear sender, front left |
| G35 | Brake lining/pad wear sender, front right |
| J104 | ABS with EDL control unit |
| J218 | Combi-processor in dash panel insert |
| K3 | Oil pressure warning lamp |
| K16 | Reserve fuel warning lamp |
| K19 | Seat belt warning system warning lamp |
| K28 | Coolant temperature/coolant shortage warning lamp |
| K32 | Brake pad/lining warning lamp |
| K37 | Windscreen washer fluid level warning lamp |
| K47 | ABS warning lamp |
| K75 | Airbag warning lamp |
| K117 | Immobilizer warning lamp |
| K118 | Brake system warning lamp |
| T10b | 10-pin connector, orange, left connector point, A pillar |
| T10m | 10-pin connector, black, connector point, electronics box, plenum chamber |
| T10ap | 10-pin connector, grey, right connector point, A pillar |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| V94 | Central locking motor with control unit for interior lights switch-off delay and anti-theft alarm system |
| W9 | Left footwell light |
| 100 | Earth connection -1-, in ABS wiring harness |
| * | Only models with additional instruments |
| E2 | Turn signal switch |
| E3 | Hazard warning light switch |
| J2 | Hazard warning light relay |
| M5 | Turn signal bulb, front left |
| M7 | Turn signal bulb, front right |
| M18 | Side turn signal bulb, left |
| M19 | Side turn signal bulb, right |
| T3q | 3-pin connector, black, at steering column switch |
| T6 | 6-pin connector, yellow, right connector point, A pillar |
| T10ae | 10-pin connector, light pink, left connector point, A pillar |
| 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 |
| A5 | Positive (+) connection (right turn signal), in dash panel wiring harness |
| A6 | Positive (+) connection (turn signal, left), in dash panel wiring harness |
| A125 | Connection (crash signal), in dash panel wiring harness |
| C19 | Connection -1- (turn signal, right), in headlight wiring harness |
| C20 | Connection (turn signal, left), in headlight wiring harness |
| * | Only models with trailer coupling |
| E22 | Intermittent wiper switch |
| E38 | Intermittent wiper control |
| J31 | Automatic intermittent wash/wipe relay |
| T6al | 6-pin connector, black, at steering column switch |
| T10c | 10-pin connector, violet, left connector point, A pillar |
| T10ad | 10-pin connector, red, left connector point, A pillar |
| T10ae | 10-pin connector, light pink, left connector point, A pillar |
| 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 |
| 261 | Earth connection, in heated washer jet wiring harness |
| A60 | Connection (vehicle speed signal), in dash panel wiring harness |
| A97 | Connection (53), in dash panel wiring harness |
| E9 | Fresh air blower switch |
| E15 | Heated rear window switch |
| E159 | Fresh air/air recirculating flap switch |
| J9 | Heated rear window relay |
| N24 | Series resistor for fresh air blower with overheating resistor |
| T6e | 6-pin connector, blue, left connector point, A pillar |
| V2 | Fresh air blower |
| V154 | Fresh/recirculating air flap control motor |
| Z1 | Heated rear window |
| 135 | Earth connection -2-, in dash panel wiring harness |
| A74 | Connection (15a, fuse 5), in dash panel wiring harness |
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