| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| E1 | Light switch |
| E19 | Parking light switch |
| J59 | X contact relief relay |
| T5s | 5-pin connector, on gearbox |
| T10 | 10-pin connector, green, coupling station |
| TV2 | Terminal 30 wiring junction |
| 1 | Earth strap, battery - body |
| 2 | Earth strap, gearbox - body |
| 61 | Earth point, left C-pillar |
| 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 |
| A40 | Positive (+) connection -1- (30), in dash panel wiring harness |
| A61 | Positive (+) connection (X), in dash panel wiring harness |
| B102 | Earth connection, in front left interior wiring harness |
| G2 | Coolant temperature sender |
| G62 | Coolant temperature sender |
| J220 | Motronic control unit |
| N152 | Ignition transformer |
| P | Spark plug connector |
| Q | Spark plugs |
| SB24 | Fuse -24- in fuse box |
| SB30 | Fuse -30- in fuse box |
| SB34 | Fuse -34- in fuse box |
| SB36 | Fuse -36- in fuse box |
| T10 | 10-pin connector, green, coupling station |
| T10d | 10-pin connector, white, coupling station |
| T10n | 10-pin connector, grey, coupling station |
| 10 | Earth point, in plenum chamber |
| 220 | Earth connection (sender earth), in engine wiring harness |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A104 | Positive (+) connection -2- (15), in dash panel wiring harness |
| * | Only models ANW and AUD with automatic gearbox |
| ** | Only models without automatic gearbox |
| F88 | Power assisted steering pressure switch |
| G28 | Engine speed sender |
| G40 | Hall sender |
| G212 | Exhaust gas recirculation potentiometer |
| J217 | Automatic gearbox control unit |
| J220 | Motronic control unit |
| J293 | Radiator fan control unit |
| N18 | Exhaust gas recirculation valve |
| T10c | 10-pin connector, black, coupling station |
| T10d | 10-pin connector, white, coupling station |
| T14 | 14-pin connector, on engine |
| T14a | 14-pin connector, brown, on engine |
| 220 | Earth connection (sender earth), in engine wiring harness |
| A52 | Positive (+) connection -2- (30), in dash panel wiring harness |
| D101 | Connection -1-, in engine compartment wiring harness |
| D161 | Connection (radiator fan run-on), in engine compartment wiring harness |
| L5 | Connection -1-, in air conditioner wiring harness |
| * | Only models with air conditioner |
| ** | Only models ANW and AUD with automatic gearbox |
| *** | Only models ANW and AUD without automatic gearbox |
| 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) |
| J104 | ABS with EDL control unit |
| J217 | Automatic gearbox control unit |
| J220 | Motronic control unit |
| J362 | Immobilizer control unit |
| J338 | Throttle valve control unit |
| T10n | 10-pin connector, grey, coupling station |
| T14 | 14-pin connector, on engine |
| T14a | 14-pin connector, brown, on engine |
| 10 | Earth point, in plenum chamber |
| 167 | Earth connection -4-, in engine compartment wiring harness |
| A121 | Connection (high bus), in dash panel wiring harness |
| A122 | Connection (low bus), in dash panel wiring harness |
| D159 | Positive (+) connection (high bus), in engine compartment wiring harness |
| D160 | Positive (+) connection (low bus), in engine compartment wiring harness |
| * | Only models ANW and AUD with automatic gearbox |
| ** | Only models without automatic gearbox |
| G61 | Knock sensor I |
| J220 | Motronic control unit |
| J362 | Immobilizer control unit |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| T10 | 10-pin connector, green, coupling station |
| T10a | 10-pin connector, red, coupling station |
| T10b | 10-pin connector, blue, coupling station |
| T10n | 10-pin connector, grey, coupling station |
| T14 | 14-pin connector, on engine |
| T14a | 14-pin connector, brown, on engine |
| 200 | Earth connection (screening), in engine compartment wiring harness |
| D95 | Connection (injectors), in engine compartment wiring harness |
| * | Wire W for self-diagnosis |
| F | Brake light switch |
| F63 | Brake pedal switch |
| G22 | Speedometer sender |
| J17 | Fuel pump relay |
| J220 | Motronic control unit |
| M9 | Brake light bulb, left |
| M10 | Brake light bulb, right |
| M25 | High level brake light bulb |
| N80 | Activated charcoal filter system solenoid valve 1 (pulsed) |
| T10 | 10-pin connector, green, coupling station |
| T10a | 10-pin connector, red, coupling station |
| T10c | 10-pin connector, black, coupling station |
| T10d | 10-pin connector, white, coupling station |
| T14 | 14-pin connector, on engine |
| 12 | Earth point, left in engine compartment |
| 82 | Earth connection -1-, in front left wiring harness |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A38 | Positive (+) connection -2- (15a), in dash panel wiring harness |
| A99 | Connection -1- (87), in dash panel wiring harness |
| D73 | Positive (+) connection (54), in engine compartment wiring harness |
| F22 | Oil pressure switch (0.3 bar) |
| G | Fuel gauge sender |
| G6 | Fuel pump (pre-supply pump) |
| G32 | Coolant shortage indicator sender |
| SB40 | Fuse -40- in fuse box |
| T10a | 10-pin connector, red, coupling station |
| T10c | 10-pin connector, black, coupling station |
| 61 | Earth point, left C-pillar |
| B109 | Earth connection, in interior wiring harness, rear left |
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| G21 | Speedometer |
| J285 | Control unit with display in dash panel insert |
| K2 | Alternator warning lamp |
| K3 | Oil pressure warning lamp |
| K28 | Coolant temperature warning lamp/coolant shortage warning lamp |
| K105 | Reserve fuel warning lamp |
| SB16 | Fuse -16- in fuse box |
| T10 | 10-pin connector, green, coupling station |
| T10a | 10-pin connector, red, coupling station |
| 76 | Earth point, near selector mechanism |
| 238 | Earth connection -1-, in interior wiring harness |
| 249 | Earth connection -2-, in interior wiring harness |
| A27 | Connection (speed signal), in dash panel wiring harness |
| B158 | Connection (S), in interior wiring harness |
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