| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| S131 | Fuse 1 in fuse box/battery |
| S132 | Fuse 2 in fuse box/battery |
| S133 | Fuse 3 in fuse box/battery |
| S134 | Fuse 4 in fuse box/battery |
| S138 | Fuse 5 in fuse box/battery |
| S162 | Fuse -1- (30), in fuse box/battery |
| S163 | Fuse -2- (30), in fuse box/battery |
| S164 | Fuse -3- (30), in fuse box/battery |
| T2f | 2-pin connector, alternator, in engine compartment, left |
| T3e | 3-pin connector, black, on main fuse box |
| T4b | 4-pin connector, in engine compartment, left |
| T6m | 6-pin connector, brown, in plenum chamber |
| 2 | Earth strap, gearbox - body |
| 10 | Earth point, in plenum chamber |
| 12 | Earth point, in engine compartment, left |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| * | Models with air conditioner |
| ** | Models without air conditioner |
| D | Ignition/starter switch |
| J17 | Fuel pump relay |
| J220 | Motronic control unit |
| J234 | Airbag control unit |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| N75 | Charge pressure control solenoid valve |
| N205 | Inlet camshaft timing adjustment valve -1- |
| N249 | Turbocharger divert air valve |
| T6m | 6-pin connector, brown, in plenum chamber |
| T10 | 10-pin connector, white, in plenum chamber |
| T14 | 14-pin connector, in engine compartment, left |
| A100 | Connection -2- (87), in dash panel wiring harness |
| A125 | Connection (crash signal), in dash panel wiring harness |
| B155 | Connection -2- (TK (door contact)), in interior wiring harness |
| D140 | Connection (injectors), in engine prewiring wiring harness |
| E7 | Positive (+) connection (87a), in Motronic wiring harness |
| G2 | Coolant temperature sender |
| G28 | Engine speed sender |
| G61 | Knock sensor I |
| G62 | Coolant temperature sender |
| G66 | Knock sensor II |
| J220 | Motronic control unit |
| T2ap | 2-pin connector, knock sensor I, in engine compartment |
| T2aq | 2-pin connector, knock sensor II, in engine compartment |
| T3d | 3-pin connector, white, engine speed sender, in engine compartment |
| T10x | 10-pin connector, orange, in plenum chamber |
| T14 | 14-pin connector, in engine compartment, left |
| 220 | Earth connection (sender earth), in engine wiring harness |
| 269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
| A45 | Connection (engine speed signal), in dash panel wiring harness |
| D101 | Connection -1-, in engine compartment wiring harness |
| G42 | Intake air temperature sender |
| G186 | Throttle valve drive (electric throttle operation) |
| G187 | Throttle valve drive angle sender -1- (electric throttle operation) |
| G188 | Throttle valve drive angle sender -2- (electric throttle operation) |
| J220 | Motronic control unit |
| J338 | Throttle valve control unit |
| T10 | 10-pin connector, white, in plenum chamber |
| 220 | Earth connection (sender earth), in engine wiring harness |
| E45 | Cruise control system switch |
| F | Brake light switch |
| F36 | Clutch pedal switch |
| G79 | Accelerator pedal position sender |
| G185 | Accelerator pedal position sender -2- |
| J220 | Motronic control unit |
| T10 | 10-pin connector, white, in plenum chamber |
| T10e | 10-pin connector, black, in plenum chamber |
| T10g | 10-pin connector, blue, in plenum chamber |
| B135 | Connection -1- (15a), in interior wiring harness |
| B185 | Connection -2- (54), in interior wiring harness |
| * | Only applies to models with cruise control system |
| ** | Only applies to models with manual gearbox |
| F88 | Power assisted steering pressure switch |
| G31 | Charge air pressure sender |
| G40 | Hall sender |
| G70 | Air mass meter |
| G235 | Exhaust gas temperature sender -1- |
| J220 | Motronic control unit |
| 18 | Earth point, on cylinder block |
| 283 | Earth connection -2-, in engine prewiring wiring harness |
| D80 | Positive (+) connection (87a - for activated charcoal filter system solenoid valve), in engine compartment wiring harness |
| D141 | Connection (5V), in engine prewiring wiring harness |
| E17 | Connection -2-, in Motronic wiring harness |
| * | Only applies to models with engine code BAM |
| ** | Only applies to models with engine codes AUM, ARX, AUQ, ARY |
| G39 | Lambda probe |
| G130 | Lambda probe downstream of catalytic converter |
| J220 | Motronic control unit |
| N80 | Activated charcoal filter system solenoid valve 1 (pulsed) |
| N112 | Secondary air inlet valve |
| T4m | 4-pin connector, lambda probe, in engine compartment, right |
| T6m | 6-pin connector, brown, in plenum chamber |
| T6o | 6-pin connector, lambda probe, in engine compartment, right |
| Z19 | Lambda probe heater |
| Z29 | Lambda probe 1 heater, downstream of catalytic converter |
| D80 | Positive (+) connection (87a - for activated charcoal filter system solenoid valve), in engine compartment wiring harness |
| * | Only applies to models with engine code BAM |
| ** | Only applies to models with engine codes ARY, ARX, AUM, AUQ |
| J220 | Motronic control unit |
| N | Ignition coil |
| N128 | Ignition coil 2 |
| N158 | Ignition coil 3 |
| N163 | Ignition coil 4 |
| P | Spark plug connector |
| Q | Spark plugs |
| T10 | 10-pin connector, white, in plenum chamber |
| T14 | 14-pin connector, in engine compartment, left |
| 10 | Earth point, in plenum chamber |
| 281 | Earth connection -1-, in engine wiring harness |
| 283 | Earth connection -2-, in engine wiring harness |
| D106 | Connection -4-, in engine compartment wiring harness |
| E87 | Control and display unit for air conditioner/Climatronic |
| J217 | Automatic gearbox control unit |
| J220 | Motronic control unit |
| J542 | Brake servo control unit |
| T10 | 10-pin connector, white, in plenum chamber |
| T10x | 10-pin connector, orange, engine compartment, in plenum chamber |
| V192 | Vacuum pump for brakes |
| 30 | Earth point -1-, next to relay plate |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| 249 | Earth connection -2-, in interior wiring harness |
| 277 | Earth connection -3-, in interior wiring harness |
| A108 | Connection (speed signal), in dash panel wiring harness |
| A121 | Connection (high bus), in dash panel wiring harness |
| A122 | Connection (low bus), in dash panel wiring harness |
| * | Only models with automatic gearbox |
| ** | Only models with manual gearbox |
| *** | Only applies to models with air conditioner |
| D | Ignition/starter switch |
| J220 | Motronic control unit |
| J271 | Motronic current supply relay |
| J299 | Secondary air pump relay |
| S229 | Fuse in fuse box |
| S237 | Fuse in fuse box |
| S283 | Brake vacuum pump fuse |
| T2m | 2-pin connector, engine prewiring, wiring duct, in engine compartment, left |
| T6m | 6-pin connector, brown, in plenum chamber |
| T14 | 14-pin connector, in engine compartment, left |
| V101 | Secondary air pump motor |
| 10 | Earth point, in plenum chamber |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A15 | Positive (+) connection (15), in dash panel wiring harness |
| A98 | Positive (+) connection -4- (30), in dash panel wiring harness |
| B156 | Positive (+) connection (30a), in interior wiring harness |
| D78 | Positive (+) connection -1- (30a), in engine compartment wiring harness |
| E14 | Connection -1-, in Motronic wiring harness |
| * | Only models with automatic gearbox |
| G | Fuel gauge sender |
| G6 | Fuel pump (pre-supply pump) |
| S5 | Fuse in fuse box/relay plate |
| S7 | Fuse in fuse box/relay plate |
| S11 | Fuse in fuse box/relay plate |
| S13 | Fuse in fuse box/relay plate |
| S228 | Fuse in fuse box |
| S232 | Fuse in fuse box |
| S234 | Fuse in fuse box |
| S243 | Fuse in fuse box |
| 269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
| 277 | Earth connection -3-, in interior wiring harness |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A23 | Connection (30al), in dash panel wiring harness |
| A99 | Connection -1- (87), in dash panel wiring harness |
| A101 | Connection -3- (87), in dash panel wiring harness |
| B147 | Positive (+) connection -2- (87), in interior wiring harness |
| B149 | Positive (+) connection -2- (15a), in interior wiring harness |
| * | Only applies to models with engine codes AUM, ARX, AUQ, ARY |
| ** | Only applies to models with engine code BAM |
| F18 | Radiator fan thermo-switch |
| F54 | Radiator fan thermo-switch |
| J155 | Coolant pump control unit |
| V7 | Radiator fan |
| V51 | Continued coolant circulation pump |
| 11 | Earth point, in battery box |
| 188 | Earth connection -3-, in air conditioner wiring harness |
| A68 | Connection (30, air conditioner), in dash panel wiring harness |
| * | Only applies to engine code BAM |
| ** | Only applies to engine codes ARY, ARX, AUM, AUQ |
| F1 | Oil pressure switch |
| G22 | Speedometer sender (Hall sender, on gearbox) |
| G266 | Oil level/oil temperature sender |
| J218 | Combi-processor in dash panel insert |
| J533 | Data bus diagnostic interface |
| K2 | Alternator warning lamp |
| K132 | Electronic power control fault lamp |
| K149 | Engine electronics warning lamp |
| T14 | 14-pin connector, in engine compartment, left |
| T16 | 16-pin connector, black, centre console compartment (diagnostic connector) |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| 269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
| 281 | Earth connection -1-, in engine wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| A80 | Connection -1- (X), in dash panel wiring harness |
| B178 | Connection (speed signal), in interior wiring harness |
English
