| A | Battery (00532) |
| 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 |
| T5f | 5-pin connector, black, in engine compartment |
| T6j | 6-pin connector, black, on relay carrier mount |
| T10d | 10-pin connector, black, on coupling station |
| T10i | 10-pin connector, red, on coupling station |
| 1 | Earth strap, battery body |
| 2 | Earth strap, gearbox body |
| 80 | Earth connection -1-, in instrument wiring harness |
| 500 | Bolted connection -1- (30), on relay plate |
| 501 | Bolted connection -2- (30), on relay plate |
| 502 | Bolted 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 |
| G40 | Hall sender (00515-2113) |
| J234 | Airbag control unit (01321) |
| J491 | Fuel shut-off control unit (crash) |
| J537 | Marelli 4LV control unit (injection system) |
| N152 | Ignition transformer |
| P | Spark plug connector |
| Q | Flame plugs |
| SB1 | Fuse -1- in fuse box |
| SB3 | Fuse -3- in fuse box |
| SB4 | Fuse -4- in fuse box |
| T5l | 5-pin connector, black, in engine pre-wiring |
| 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 |
| T10i | 10-pin connector, red, on coupling station |
| T14 | 14-pin connector, black |
| T14a | 14-pin connector, brown |
| T50 | 50-pin connector, yellow |
| T121 | 121-pin connector, black |
| 109 | Earth connection, in airbag wiring harness |
| 241 | Earth connection -2-, engine 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 |
| G2 | Coolant temperature sender (01039) |
| G62 | Coolant temperature sender (00522-2312) |
| 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) |
| J537 | Marelli 4LV control unit (injection system) |
| SB2 | Fuse -2- in fuse box |
| SB20 | Fuse -20- in fuse box |
| T5l | 5-pin connector, black, in engine pre-wiring |
| T10g | 10-pin connector, green, on coupling station |
| T10h | 10-pin connector, purple, on coupling station |
| T14 | 14-pin connector, black |
| T14a | 14-pin connector, brown |
| T121 | 121-pin connector, black |
| 110 | Earth connection -2-, in dash panel wiring harness |
| 220 | Earth connection (electronic earth), in engine wiring harness |
| D101 | Connection -1-, in engine compartment wiring harness |
| G42 | Inlet air temperature 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, black |
| T121 | 121-way connector, black |
| 132 | Earth connection -3-, in the engine compartment wiring harness |
| 220 | Earth connection, (electronic earth), engine wiring harness |
| D101 | Connection -1-, engine bay wiring harness |
| J537 | Marelli 4LV 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) |
| T5l | 5-pin connector, black, in engine pre-wiring |
| T10e | 10-pin connector, white, on coupling station |
| T10f | 10-pin connector, brown, on coupling station |
| T10h | 10-pin connector, purple, on coupling station |
| T14a | 14-pin connector, brown |
| T121 | 121-pin connector, black |
| 10 | Earth point, in plenum chamber |
| 241 | Earth connection -2-, engine earth, in engine wiring harness |
| A27 | Connection (speed signal), in dash panel wiring harness |
| D95 | Connection (injectors) in engine compartment wiring harness |
| G39 | Lambda probe (00525-2342) |
| G130 | Lambda probe after catalyst (00699) |
| J255 | Climatronic control unit (01320) |
| J293 | Radiator fan control unit (00831) |
| J537 | Marelli 4LV control unit (injection system) |
| N80 | Activated charcoal filter system solenoid valve 1 (01247-4343) (pulsed) |
| Z19 | Lambda probe heater |
| Z29 | Lambda probe heater 1, after catalyst |
| T4d | 4-pin connector, black, on exhaust pipe |
| T5g | 5-pin connector, brown, on coupling station |
| T5l | 5-pin connector, black, in engine pre-wiring |
| T6g | 6-pin connector, black, on exhaust pipe |
| T10g | 10-pin connector, green, on coupling station |
| T10v | 10-pin connector |
| T14b | 14-pin connector |
| T26 | 26-pin connector |
| T121 | 121-pin connector, black |
| D61 | Connection (air conditioner), in engine compartment wiring harness |
| D80 | Positive connection (87a - for activated charcoal filter system solenoid valve), in engine compartment wiring harness |
| L5 | Connection -1-, in air conditioner wiring harness |
| * | Only vehicles with air conditioner or autoclimate |
| F | Brake light switch (00526-2131) |
| F63 | Brake pedal switch |
| G22 | Speedometer sender (01086) |
| J17 | Fuel pump relay (01259-4433) |
| J537 | Marelli 4LV control unit (injection system) |
| M21 | Left brake light/tail light bulb |
| M22 | Right brake light/tail light bulb |
| M25 | High level brake light bulb |
| SB7 | Fuse -7- in fuse box |
| SB8 | Fuse -8- in fuse box |
| T3 | 3-pin connector, black, on brake |
| 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 |
| T10i | 10-pin connector, red, on coupling station |
| T14 | 14-pin connector, black |
| T14a | 14-pin connector, brown |
| T121 | 121-pin connector, black |
| 10 | Earth point, in plenum chamber |
| 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 |
| D73 | Positive connection (54), in engine compartment wiring harness |
| D106 | Connection -4-, in engine compartment wiring harness |
| F18 | Radiator fan thermo-switch |
| F1 | Oil pressure switch |
| G | Fuel gauge sender (00771-3113) |
| G6 | Fuel pump (pre-supply pump) |
| T3d | 3-pin connector, black, on radiator |
| T6 | 6-pin connector, khaki grey |
| T10g | 10-pin connector, green, on coupling station |
| T10l | 10-pin connector, orange, on coupling station |
| V7 | Radiator fan (01018-3433) |
| 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 gauge |
| 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- on fuse holder |
| T10i | 10-pin connector, red, on coupling station |
| T32 | 32-pin connector, blue, in dash panel insert |
| Y4 | Odometer display |
| 110 | Earth connection -2-, in wiring harness for instruments |
| A21 | Connection (86s), in dash panel wiring harness |
| G5 | Rev. counter (00662) |
| H11 | Oil pressure warning buzzer |
| J285 | Control unit with display in dash panel insert (01317) |
| K2 | Alternator warning lamp |
| K105 | Reserve fuel warning lamp (01082) |
| T10f | 10-pin connector, brown, on coupling station |
| T10h | 10-pin connector, violet, on coupling station |
| T32 | 32-pin connector, blue, in dash panel insert |
| T32a | 32-pin connector, green, in dash panel insert |
| * | Self-diagnosis Line W |
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