| 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, on battery fuse box |
| 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 |
| 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 |
| G2 | Coolant temperature sender (01039) |
| G40 | Hall sender (00515-2113) |
| G62 | Coolant temperature sender (00522-2312) |
| J234 | Airbag control unit (01321) |
| J382 | Marelli 1AV control unit (injection system) |
| J491 | Fuel shut-off control unit (crash) |
| N152 | Ignition transformer |
| N157 | Ignition transformer output stage |
| O | Ignition distributor |
| P | Spark plug connector |
| Q | Flame plugs |
| SB1 | Fuse -1- in fuse box |
| SB4 | Fuse -4- in fuse box |
| T4e | 4-pin connector, black |
| T9a | 9-pin connector, black, on relay carrier mount |
| T10g | 10-pin connector, green, on coupling station |
| T10h | 10-pin connector, purple, on coupling station |
| T14 | 14-pin connector, black |
| T10i | 10-pin connector, red, on coupling station |
| 10 | Earth point, in plenum chamber |
| 109 | Earth connection, in airbag wiring harness |
| 110 | Earth connection -2-, in dash panel wiring harness |
| 220 | Earth connection (electronic earth), in engine wiring harness |
| A15 | Positive connection (15), in instrument wiring harness |
| A98 | Positive connection -4- (30), in dash panel wiring harness |
| A125 | Connection (crash signal), in dash panel wiring harness |
| * | Only vehicles without airbag |
| ** | Only vehicles with airbag |
| G42 | Intake air temperature sender (00523-2322) |
| G71 | Intake manifold pressure sender (00519-2222) |
| 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) |
| J338 | Throttle valve control unit (01165) |
| J382 | Marelli 1AV control unit (injection system) |
| SB2 | Fuse -2- in fuse box |
| T10h | 10-pin connector, purple, on coupling station |
| T10w | 10-pin connector, black |
| T14 | 14-pin connector, black |
| T45 | 45-pin connector, black |
| 220 | Earth connection (electronic earth), in engine wiring harness |
| A40 | Positive connection -1- (30), in instrument wiring harness |
| F38 | Ambient temperature switch |
| G61 | Knock sensor 1 (00524-2142) |
| J293 | Radiator fan control unit (00831) |
| J382 | Marelli 1AV control unit (injection system) |
| N30 | Injector-cylinder 1 (01249-4411) |
| N31 | Injector-cylinder 2 (01250-4412) |
| N32 | Injector-cylinder 3 (01251-4413) |
| N33 | Injector-cylinder 4 (01252-4414) |
| T4e | 4-pin connector, black |
| T10e | 10-pin connector, white, on coupling station |
| T10f | 10-pin connector, brown, on coupling station |
| T10w | 10-pin connector, black |
| T14 | 14-pin connector, black |
| T14b | 14-pin connector |
| T45 | 45-pin connector, black |
| 10 | Earth point, in plenum chamber |
| D61 | Connection (air conditioner), in engine compartment wiring harness |
| D95 | Connection (injectors) in engine compartment wiring harness |
| L5 | Connection -1-, in air conditioner wiring harness |
| * | Only vehicles with air conditioner or autoclimate |
| G22 | Speedometer sender (01086) |
| G39 | Lambda probe (00525-2342) |
| J17 | Fuel pump relay (01259-4433) |
| J382 | Marelli 1AV control unit (injection system) |
| N80 | Activated charcoal filter system solenoid valve 1 (01247-4343) (pulsed) |
| SB3 | Fuse -3- in fuse box |
| SB7 | Fuse -7- in fuse box |
| SB8 | Fuse -8- in fuse box |
| Z19 | Lambda probe heater |
| T4d | 4-pin connector, black, on exhaust pipe |
| T6f | 6-pin connector, black, on relay carrier mount |
| T10f | 10-pin connector, brown, on coupling station |
| T10g | 10-pin connector, green, on coupling station |
| T10h | 10-pin connector, purple, on coupling station |
| T14 | 14-pin connector, black |
| T45 | 45-pin connector, black |
| 10 | Earth point, in plenum chamber |
| 18 | Earth point, on engine block |
| A99 | Connection -1- (87), in dash panel wiring harness |
| A100 | Connection -2- (87), in dash panel wiring harness |
| D52 | Positive connection (15a), in engine compartment wiring harness |
| F18 | Radiator fan thermo switch |
| F22 | Oil pressure switch (0.3 bar) (00772-3114) |
| G | Fuel gauge sender |
| G6 | Fuel pump (lift pump) |
| T3d | 3 pin connector, black, on the radiator |
| T6 | 6 pin connector, kakuei grey, on the relay holder bracket |
| T10g | 10 pin connector, green, in the coupling distributor |
| T10l | 10 pin connector, orange, in the coupling distributor |
| T14 | 14 pin connector, black |
| V7 | Radiator fan (01018-3433) |
| 12 | Earth point, in engine compartment, left |
| 51 | Earth point, luggage boot, right |
| 110 | Earth connection -2-, in wiring loom for instruments |
| D103 | Connection -3-, in engine compartment wiring loom |
| G1 | Fuel gauge (00664) |
| G3 | Coolant temperature gauge |
| G21 | Speedometer (00663) |
| J285 | Control unit with display unit in dash panel insert (01317) |
| K3 | Oil pressure warning lamp (00755) |
| K28 | Warning lamp for coolant temperature/coolant shortage |
| T10i | 10 pin connector, red, in the coupling distributor |
| T14 | 14 pin connector, black |
| T32 | 32 pin connector, blue, dashboard |
| Y4 | Odometer display |
| A27 | Connection (speed signal), in dash panel wiring loom |