| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| J362 | Immobilizer control unit |
| SA4 | Fuse -4- fuse box/battery |
| SA5 | Fuse -5- fuse box/battery |
| T1l | Single connector, brown, behind relay plate |
| T1m | Single connector, brown, behind relay plate |
| T5d | 5-pin connector, on engine, near gearbox |
| TV7 | Terminal 31 junction box |
| 1 | Earth strap, battery - body |
| 2 | Earth strap, gearbox - body |
| 30 | Earth point -1-, next to relay plate |
| D50 | Positive (+) connection (30), in engine compartment wiring harness |
| G2 | Coolant temperature sender |
| G62 | Coolant temperature sender |
| G186 | Throttle control (electric accelerator control) |
| G187 | Angle sender -1- for throttle control (electric throttle control) |
| G188 | Angle sender -2- for throttle control (electric throttle control) |
| J338 | Throttle valve control unit |
| J537 | Control unit for Marelli 4LV (injection system) |
| T5f | 5-way connector, black, engine |
| T14 | 14-way connector, engine |
| T14a | 14-way connector, engine |
| 220 | Earth connection (electronic earth), engine wiring harness |
| G42 | Inlet air temperaure sender |
| G71 | Inlet manifold pressure sender |
| G212 | Exhaust gas recirculation potentiometer |
| J537 | Control unit for Marelli 4LV (injection system) |
| N18 | Exhaust gas recirculation valve |
| T14 | 14-way connector, engine |
| 132 | Earth connection -3-, engine bay wiring harness |
| 220 | Earth connection (electronic earth), engine wiring harness |
| D101 | Connection -1-, engine bay wiring harness |
| J293 | Radiator fan control unit |
| J362 | Immobilizer control unit |
| J537 | Control unit for Marelli 4LV (injection system) |
| N30 | Cylinder 1 injector |
| N31 | Cylinder 2 injector |
| N32 | Cylinder 3 injector |
| N33 | Cylinder 4 injector |
| T5e | 5-way connector, behind dash panel insert |
| T5f | 5-way connector, black, engine |
| T14 | 14-way connector, engine |
| T14a | 14-way connector, engine |
| 12 | Earth point in engine bay, on the left |
| 85 | Earth connection -1-, engine bay wiring harness |
| D95 | Connection (injectors) wiring harness engine bay |
| D102 | Connection -2-, engine bay wiring harness |
| * | Only vehicles with air conditioning |
| ** | W self-diagnosis line |
| G39 | Lambda probe |
| G130 | Lambda probe after catalytic convrter |
| J362 | Immobilizer control unit |
| J537 | Control unit for Marelli 4LV (injection system) |
| N80 | Solenoid valve 1 for activated charcoal filter system (pulsed) |
| T5e | 5-way connector, behind dash panel insert |
| T14a | 14-way connector, engine |
| Z19 | Lambda probe heater |
| Z29 | Lambda probe heater 1, after catalytic converter |
| D80 | Positive connection (87a - for activated charcoal filter system solenoid valve ), engine bay wiring harness |
| D136 | Positive connection -2- (15a), engine bay wiring harness |
| F | Brake light switch |
| F36 | Clutch pedal switch |
| F63 | Brake pedal switch |
| J17 | Fuel pump relay |
| J537 | 4LV control unit (injection system) |
| M21 | Brake and tail light bulb, left |
| M22 | Brake and tail light bulb, right |
| M25 | High level brake light bulb |
| TV2 | Terminal 30 junction box |
| T5f | 5-pin connector, black, on engine |
| D52 | Positive (+) connection (15a), in engine compartment wiring harness |
| D73 | Positive (+) connection (54), in engine compartment wiring harness |
| D80 | Positive (+) connection (87 a - for active. charcoal filter system solenoid), in engine compartment wiring harness |
| D106 | Connection -4-, in engine compartment wiring harness |
| D109 | Connection -7-, in engine compartment wiring harness |
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| G5 | Rev. counter |
| 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 |
| T4k | 4-pin connector, behind dash panel insert |
| T28 | 28-pin connector, on dash panel insert |
| T28a | 28-pin connector, on dash panel insert |
| A49 | Connection -1-, in dash panel wiring harness |
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