| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| J59 | X contact relief relay |
| SA2 | Fuse -2- in battery fuse box |
| SA4 | Fuse -4- in battery fuse box |
| SA5 | Fuse -5- in battery fuse box |
| SA6 | Fuse -6- in battery fuse box |
| TV2 | Terminal 30 junction box |
| T3a | 3-pin connector, black, in battery |
| T5f | 5-pin connector, black, in engine compartment |
| T6j | 6-pin connector, black, on relay carrier |
| T10d | 10-pin connector, black, connector point for connector |
| T10i | 10-pin connector, red, connector point for connector |
| 1 | Earth strap, battery - body |
| 2 | Earth strap, gearbox - body |
| 80 | Earth connection -1-, in dash panel wiring harness |
| 500 | Screw connection -1- (30), on relay plate |
| 501 | Screw connection -2- (30), on relay plate |
| 502 | Screw connection -1- (30a), on relay plate |
| A32 | Positive (+) connection (30), in dash panel wiring harness |
| A61 | Positive (+) connection (X), in dash panel wiring harness |
| A80 | Connection -1- (X), in dash panel wiring harness |
| E45 | Cruise control system switch |
| G28 | Engine speed sender |
| J220 | Motronic control unit |
| J234 | Airbag control unit |
| J491 | Fuel shut-off control unit (Crash) |
| N152 | Ignition transformer |
| P | Spark plug connector |
| Q | Spark plugs |
| SB1 | Fuse -1- in fuse box |
| SB3 | Fuse -3- in fuse box |
| SB4 | Fuse -4- in fuse box |
| T10g | 10-pin connector, green, connector point for connector |
| T10h | 10-pin connector, violet, connector point for connector |
| T10i | 10-pin connector, red, connector point for connector |
| 109 | Earth connection, in airbag wiring harness |
| 241 | Earth connection -2-, engine earth, in engine wiring harness |
| A15 | Positive (+) connection (15), in dash panel wiring harness |
| A98 | Positive (+) connection -4- (30), in dash panel wiring harness |
| A125 | Connection (crash signal), in dash panel wiring harness |
| B163 | Positive (+) connection -1- (15), in interior wiring harness |
| * | Only models without airbag |
| ** | Only models with airbag |
| *** | Only models with cruise control system |
| G2 | Coolant temperature sender |
| G40 | Hall sender |
| G62 | Coolant temperature sender |
| J220 | Motronic control unit |
| N121 | Exhaust gas recirculation frequency valve |
| SB2 | Fuse -2- in fuse box |
| SB20 | Fuse -20- in fuse box |
| T10g | 10-pin connector, green, connector point for connector |
| T10h | 10-pin connector, violet, connector point for connector |
| T14 | 14-pin connector, black |
| T14a | 14-pin connector, brown |
| 110 | Earth connection -2-, in dash panel wiring harness |
| 167 | Earth connection -4-, in engine compartment wiring harness |
| D52 | Positive (+) connection (15a), in engine compartment wiring harness |
| D101 | Connection -1-, in engine compartment wiring harness |
| * | Only for engines with engine codes ANW and AUD |
| G42 | Intake air temperature sender |
| G71 | Intake manifold pressure sender |
| G79 | Accelerator pedal position sender |
| G185 | Accelerator pedal position sender -2- |
| J104 | ABS with EDL control unit |
| J220 | Motronic control unit |
| J293 | Radiator fan control unit |
| T6e | 6-pin connector, black |
| T14 | 14-pin connector, black |
| T5q | 5-pin connector |
| 167 | Earth connection -4-, in engine compartment wiring harness |
| D61 | Connection (air conditioner), in engine compartment wiring harness |
| D101 | Connection -1-, in engine compartment wiring harness |
| * | Only for engines with engine codes ANW and AUD |
| ** | Only models with air conditioner or automatic air conditioner |
| *** | Only models with ABS, ABS and EDS or ASR |
| F | Brake light switch |
| F47 | Cruise control system brake pedal switch (diesel direct injection system) |
| 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 |
| M21 | Brake and tail light bulb, left |
| M22 | Brake and tail light bulb, right |
| M25 | High level brake light bulb |
| T3 | 3-pin connector, black, brake |
| T10g | 10-pin connector, green, connector point for connector |
| T10i | 10-pin connector, red, connector point for connector |
| T14 | 14-pin connector, black |
| T14a | 14-pin connector, brown |
| 10 | Earth point, in plenum chamber |
| 241 | Earth connection -2-, engine earth, in engine wiring harness |
| D73 | Positive (+) connection (54), in engine compartment wiring harness |
| G61 | Knock sensor I |
| J220 | Motronic control unit |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| T10e | 10-pin connector, white, connector point for connector |
| T10f | 10-pin connector, brown, connector point for connector |
| T10h | 10-pin connector, purple, connector point for connector |
| T14 | 14-pin connector, black |
| T14a | 14-pin connector, brown |
| A27 | Connection (speed signal), in dash panel wiring harness |
| D95 | Connection (injectors), in engine compartment wiring harness |
| * | Wire W for self-diagnosis |
| G39 | Lambda probe |
| G130 | Lambda probe downstream of catalytic converter |
| J17 | Fuel pump relay |
| J220 | Motronic control unit |
| N80 | Activated charcoal filter system solenoid valve 1 (pulsed) |
| Z19 | Lambda probe heater |
| Z29 | Lambda probe 1 heater, downstream of catalytic converter |
| T4d | 4-pin connector, black, on exhaust pipe |
| T6f | 6-pin connector, black, on relay carrier |
| T6g | 6-pin connector, black, in exhaust pipe |
| T10g | 10-pin connector, green, connector point for connector |
| T10h | 10-pin connector, purple, connector point for connector |
| A99 | Connection -1- (87), in dash panel wiring harness |
| A100 | Connection -2- (87), in dash panel wiring harness |
| D80 | Positive (+) connection (87 a - for activated charcoal filter system solenoid valve), in engine compartment wiring harness |
| * | Only for engines with engine codes ANW and AUD |
| *** | Only for engines with engine codes AKK (1 lambda probe) |
| F1 | Oil pressure switch |
| F18 | Radiator fan thermo-switch |
| G | Fuel gauge sender (00771-3113) |
| G6 | Fuel pump (pre-supply pump) |
| G22 | Speedometer sender (01086) |
| V7 | Radiator fan (01018-3433) |
| T3d | 3-pin connector, black, on radiator |
| T6 | 6-pin connector, khaki grey |
| T10f | 10-pin connector, brown, on coupling station |
| T10g | 10-pin connector, green, on coupling station |
| T10l | 10-pin connector, orange, on coupling station |
| T14 | 14-pin connector, black |
| T14a | 14-pin connector, brown |
| 10 | Earth point, in plenum chamber |
| 12 | Earth point in engine compartment, to left |
| 51 | Earth point, luggage compartment, to right |
| 110 | Earth connection -2-, in dash panel wiring harness |
| G1 | Fuel gauge (00664) |
| G3 | Coolant temperature indicator |
| G21 | Speedometer (00663) |
| J285 | Control unit with display in dash panel insert (01317) |
| K3 | Oil pressure warning lamp (00755) |
| K28 | Coolant temperature/coolant shortage warning lamp |
| SB9 | Fuse -9- in fuse box |
| T10i | 10-pin connector, red, on coupling station |
| T10l | 10-pin connector, orange, on coupling station |
| T32 | 32-pin connector blue, in dash panel insert |
| Y4 | Odometer display |
| 110 | Earth connection -2-, in dash panel wiring harness |
| A21 | Connection (86s), in dash panel wiring harness |
| G5 | Rev. counter |
| H11 | Oil pressure warning buzzer |
| K2 | Alternator warning lamp |
| K83 | Exhaust emissions warning lamp |
| K105 | Reserve fuel warning lamp |
| K132 | Electronic power control fault lamp |
| J285 | Control unit with display in dash panel insert |
| T10f | 10-pin connector, brown, connector point for connector |
| T10h | 10-pin connector, purple, connector point for connector |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| * | Only for engines with engine codes ANW and AUD |
| ** | Wire W for self-diagnosis |
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