| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| T1k | Single connector, black, in engine compartment, right |
| T2at | 2-pin connector, black, 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 |
| 12 | Earth point, in engine compartment, left |
| 83 | Earth connection -1-, in front right wiring harness |
| A17 | Connection (61), in dash panel wiring harness |
| A86 | Connection (50a), in dash panel wiring harness |
| G70 | Air mass meter |
| J17 | Fuel pump relay |
| J361 | Simos 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 |
| N112 | Secondary air inlet valve |
| N156 | Intake manifold change-over valve |
| S228 | Fuse in fuse box |
| S232 | Fuse in fuse box |
| S234 | Fuse in fuse box |
| T10 | 10-pin connector, brown, connector point, electronics box, plenum chamber |
| T10m | 10-pin connector, black, connector point, electronics box, plenum chamber |
| T10ar | 10-pin connector, orange, connector point, electronics box, plenum chamber |
| A20 | Connection (15a), in dash panel wiring harness |
| A152 | Connection -5- (87), in dash panel wiring harness |
| D22 | Connection (via fuse 234), in front right wiring harness |
| D95 | Connection (injectors), in engine compartment wiring harness |
| E87 | Control and display unit for air conditioner |
| G2 | Coolant temperature sender |
| G40 | Hall sender |
| G61 | Knock sensor I |
| G62 | Coolant temperature sender |
| J361 | Simos control unit |
| T3o | 3-pin connector, green, in engine compartment, left |
| T15m | 15-pin connector, red, connector point, electronics box, plenum chamber |
| A100 | Connection -2- (87), in dash panel wiring harness |
| A105 | Connection -2- (rpm boost), 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 air conditioner |
| • | Data bus wire (CAN bus) |
| E45 | Cruise control system switch |
| G39 | Lambda probe |
| G130 | Lambda probe downstream of catalytic converter |
| J361 | Simos control unit |
| T4v | 4-pin connector, brown, in engine compartment, left |
| T4z | 4-pin connector, black, in engine compartment, left |
| T6y | 6-pin connector, black, next to steering column |
| T10m | 10-pin connector, black, connector point, electronics box, plenum chamber |
| T15 | 15-pin connector, white, connector point, electronics box, plenum chamber |
| Z19 | Lambda probe heater |
| Z29 | Lambda probe 1 heater, downstream of catalytic converter |
| 83 | Earth connection -1-, in front right wiring harness |
| A45 | Connection (engine speed signal), in dash panel wiring harness |
| * | Only models with cruise control system |
| F | Brake light switch |
| F36 | Clutch pedal switch |
| J234 | Airbag control unit |
| J299 | Secondary air pump relay |
| J338 | Throttle valve control unit |
| J361 | Simos control unit |
| S130 | Secondary air pump fuse |
| T3aa | 3-pin connector, white, connector point, electronics box, plenum chamber |
| T3au | 3-pin connector, red, connector point, electronics box, plenum chamber |
| T10 | 10-pin connector, brown, 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 |
| A18 | Connection (54), in dash panel wiring harness |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A104 | Positive (+) connection -2- (15), in dash panel wiring harness |
| A106 | Connection -2- (86s), in dash panel wiring harness |
| A125 | Connection (crash signal), in dash panel wiring harness |
| * | Does not apply to automatic gearbox |
| G28 | Engine speed sender |
| G79 | Accelerator pedal position sender |
| G185 | Accelerator pedal position sender -2- |
| G212 | Exhaust gas recirculation potentiometer |
| J361 | Simos control unit |
| J363 | Current supply relay for Simos control unit |
| N18 | Exhaust gas recirculation valve |
| T3m | 3-pin connector, grey, in engine compartment, left |
| T3aa | 3-pin connector, white, connector point, electronics box, in plenum chamber |
| T6as | 6-pin connector, black, near accelerator pedal position sender |
| T10m | 10-pin connector, black, connector point, electronics box, in plenum chamber |
| T15 | 15-pin connector, white, connector point, electronics box, in plenum chamber |
| 83 | Earth connection -1-, in front right wiring harness |
| D52 | Positive (+) connection (15a), in engine compartment wiring harness |
| * | Applicable up to model year 2001 |
| ** | Applicable from model year 2002 |
| *** | Applicable up to model year 2000 |
| **** | Applicable from model year 2001 (phased-in modification) |
| J361 | Simos control unit |
| N | Ignition coil |
| N122 | Final output stage |
| N128 | Ignition coil 2 |
| P | Spark plug connector |
| Q | Spark plugs |
| S5 | Fuse in fuse box/relay plate |
| S7 | Fuse in fuse box/relay plate |
| S13 | Fuse in fuse box/relay plate |
| S229 | Fuse in fuse box |
| S243 | Fuse in fuse box |
| T4l | 4-pin connector, black, on ignition coil |
| T10ar | 10-pin connector, orange, connector point, electronics box, plenum chamber |
| 12 | Earth point, in engine compartment, left |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A32 | Positive (+) connection (30), in dash panel wiring harness |
| A40 | Positive (+) connection -1- (30), in dash panel wiring harness |
| A151 | Connection -4- (87), in dash panel wiring harness |
| D23 | Connection (via fuse 229), in front right wiring harness |
| F66 | Coolant shortage indicator switch |
| G | Fuel gauge sender |
| G6 | Fuel pump |
| J218 | Combi-processor in dash panel insert |
| T6e | 6-pin connector, blue, left connector point, A pillar |
| 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 |
| T16 | 16-pin connector, diagnostic connector |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| 86 | Earth connection -1-, in rear wiring harness |
| 139 | Earth connection (sender earth), in Motronic wiring harness |
| 269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| * | Output for signal earth |
| F1 | Oil pressure switch |
| G22 | Speedometer sender |
| G266 | Oil level/oil temperature sender |
| J218 | Combi-processor in dash panel insert |
| K2 | Alternator warning lamp |
| K132 | Electronic power control fault lamp |
| K149 | Engine electronics warning lamp |
| T10 | 10-pin connector, brown, connector point, electronics box, plenum chamber |
| T10m | 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 |
| 83 | Earth connection -1-, in front right wiring harness |
| A74 | Connection (15a, fuse 5), in dash panel wiring harness |
| * | Applicable up to model year 2000 |
| ** | Applicable from model year 2001 |
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