| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| J519 | Onboard power supply control unit |
| S162 | Fusível -1- (30) no porta-fusíveis/bateria |
| S163 | Fusível -2- (30) no porta-fusíveis/bateria |
| T1a | Single connector, on starter |
| T2x | 2-pin connector, near dual tone horn |
| T2y | 2-pin connector, on alternator |
| T11d | 11-pin connector, (white) in engine compartment, left |
| T18a | 18-pin connector, on onboard power supply control unit |
| 1 | Earth strap, battery body |
| 507 | Screw connection (30), on battery fuse holder |
| 621 | Earth point, onboard power supply battery |
| J519 | Onboard power supply control unit |
| S268 | Fuse -10- (30), in battery fuse holder |
| T11d | 11-pin connector, (white) in engine compartment, left |
| T12a | 12-pin connector, (white) in engine compartment, left |
| T16a | 16-pin connector, on onboard power supply control unit |
| T18a | 18-pin connector, on onboard power supply control unit |
| B229 | Connection (high bus), in interior wiring harness |
| B230 | Connection (low bus), in interior wiring harness |
| D159 | Connection (high bus), in engine compartment wiring harness |
| D160 | Connection (low bus), in engine compartment wiring harness |
| D | Ignition/starter switch |
| E19 | Parking light switch |
| J519 | Onboard power supply control unit |
| SB10 | Fuse -10- on fuse holder |
| T6q | 6-pin connector, (blue) in engine compartment, left |
| T8a | 8-pin connector, on ignition/starter switch |
| T18a | 18-pin connector, on onboard power supply control unit |
| T41a | 41-pin connector, on turn signal switch |
| 238 | Earth connection -1-, in interior wiring harness |
| 249 | Earth connection -2-, in interior wiring harness |
| 278 | Earth connection -4-, in interior wiring harness |
| 606 | Earth point, under the centre console, near gear stick |
| B111 | Positive connection -1- (30a), in interior wiring harness |
| B491 | Positive connection (75), in interior wiring harness |
| B503 | Positive connection -7- (30a), in interior wiring harness |
| G22 | Speedometer sender (Hall sender on gearbox) |
| J519 | Onboard power supply control unit |
| SB37 | Fuse -37- on fuse holder |
| T3i | 3-pin connector, on speedometer sender (Hall sender on gearbox) |
| T6p | 6-pin connector, (yellow) in engine compartment, left |
| T11d | 11-pin connector, (white) in engine compartment, left |
| T14a | 14-pin connector, in engine compartment, left |
| T18a | 18-pin connector, on onboard power supply control unit |
| 13 | Earth point, on right in engine compartment |
| 131 | Earth connection -2-, in engine compartment wiring harness |
| 201 | Earth connection -5-, in engine compartment wiring harness |
| B163 | Positive connection -1- (15), in interior wiring harness |
| B165 | Positive connection -2- (15), in interior wiring harness |
| B492 | Positive connection -3- (15), in interior wiring harness |
| G39 | Lambda probe |
| G79 | Accelerator pedal position sender |
| G185 | Accelerator pedal position sender -2- |
| J220 | Motronic control unit |
| J519 | Onboard power supply control unit |
| SB9 | Fuse -9- on fuse holder |
| T4f | 4-pin connector, on lambda probe |
| T6p | 6-pin connector, (yellow) in engine compartment, left |
| T6z | 6-pin connector, on acelerator pedal position sender |
| T11a | 11-pin connector, (blue) in engine compartment, left |
| T11b | 11-pin connector, (red) in engine compartment, left |
| T52a | 52-pin connector, on motronic control unit |
| B178 | Connection (speed signal), in interior wiring harness |
| J220 | Motronic control unit |
| J519 | Onboard power supply control unit |
| N80 | Activated charcoal filter system solenoid valve I (pulsed) |
| SB45 | Fuse -45- on fuse holder |
| T2o | 2-pin connector, on activated charcoal filter system solenoid valve I (pulsed) |
| T6p | 6-pin connector, (yellow) in engine compartment, left |
| T6q | 6-pin connector, (blue) in engine compartment, left |
| T11b | 11-pin connector, (red) in engine compartment, left |
| T52a | 52-pin connector, on motronic control unit |
| G28 | Engine speed sender |
| G40 | Hall sender |
| G62 | Coolant temperature sender |
| G42 | Intake air temperature sender |
| G71 | Intake manifold pressure sender |
| J220 | Motronic control unit |
| J519 | Onboard power supply control unit |
| T2z | 2-pin connector, on coolant temperature sender |
| T3g | 3-pin connector, on hall sender |
| T3h | 3-pin connector, in engine compartment, right |
| T4i | 4-pin connector, on intake manifold pressure sender |
| T28c | 28-pin connector, on motronic control unit |
| 216 | Earth connection -2-, in Motronic wiring harness |
| E16 | Positive connection (5 volts), in Motronic wiring harness |
| G61 | Knock sensor |
| G186 | Throttle valve drive (electric power control) |
| G187 | Throttle valve drive angle sender -1- (electric power control) |
| G188 | Throttle valve drive angle sender -2- (electric power control) |
| J220 | Motronic control unit |
| J519 | Onboard power supply control unit |
| N152 | Ignition transformer |
| P | Spark plug connector |
| Q | Spark plug |
| T2w | 2-pin connector, on knock sensor I |
| T4h | 4-pin connector, on ignition transformer |
| T6v | 6-pin connector, on throttle valve drive angle sender -2- (electric power control) |
| T14a | 14-pin connector, in engine compartment, left |
| T28c | 28-pin connector, on motronic control unit |
| E8 | Connection (screening), in Motronic wiring harness |
| G | Fuel gauge sender |
| G6 | Fuel pump (pre-supply pump) |
| J220 | Motronic control unit |
| J519 | Onboard power supply control unit |
| SB41 | Fuse -41- on fuse holder |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| T2ab | 2-pin connector, on injector, cylinder 1 |
| T2ac | 2-pin connector, on injector, cylinder 2 |
| T2ad | 2-pin connector, on injector, cylinder 3 |
| T2af | 2-pin connector, on injector, cylinder 4 |
| T4a | 4-pin connector, under rear right seat |
| T6p | 6-pin connector, (yellow) in engine compartment, left |
| T14a | 14-pin connector, in engine compartment, left |
| T28c | 28-pin connector, on motronic control unit |
| E54 | Connection (injector), in Motronic wiring harness |
| J519 | Onboard power supply control unit |
| SB5 | Fuse -5- on fuse holder |
| T3c | 3-pin connector, (grey) in engine compartment, left |
| T5d | 5-pin connector, on onboard power supply control unit |
| TV3 | Terminal 30a wiring junction |
| 42 | Earth point, next to steering column |
| 279 | Earth connection -5-, in interior wiring harness |
| 284 | Earth connection -6-, in interior wiring harness |
| 285 | Earth connection -7-, in engine compartment wiring harness |
| 606 | Earth point, under the centre console, near gear stick |
| B150 | Positive connection -2- (30a), in interior wiring harness |
| B151 | Positive connection -3- (30a), in interior wiring harness |
| J17 | Fuel pump relay |
| J519 | Onboard power supply control unit |
| J643 | Fuel supply relay |
| SB14 | Fuse -14- on fuse holder |
| SB25 | Fuse -25- on fuse holder |
| T5f | 5-pin connector, on fuel supply relay |
| T6l | 6-pin connector, on fuel pump relay |
| T6p | 6-pin connector, (yellow) in engine compartment, left |
| T16a | 16-pin connector, on onboard power supply control unit |
| B146 | Positive connection -1- (87), in interior wiring harness |
| B151 | Positive connection -3- (30a), in interior wiring harness |
| F | Brake light switch |
| F36 | Clutch pedal switch |
| F47 | Cruise control system brake pedal switch (diesel direct injection system) |
| J519 | Onboard power supply control unit |
| SB4 | Fuse -4- on fuse holder |
| T4c | 4-pin connector, on cruise control system brake pedal switch (diesel direct injection system) |
| T4p | 4-pin connector, on clutch pedal switch |
| T6q | 6-pin connector, (blue) in engine compartment, left |
| T11a | 11-pin connector, (blue) in engine compartment, left |
| B131 | Connection (54), in interior wiring harness |
| B135 | Connection -1- (15a), in interior wiring harness |
| D73 | Positive connection (54), in engine compartment wiring harness |
| D101 | Connection -1-, in engine compartment wiring harness |
| D2 | Immobilizer reading coil |
| G1 | Fuel gauge |
| J285 | Control unit with display in dash panel insert |
| J519 | Onboard power supply control unit |
| J362 | Immobilizer control unit |
| K | Dash panel insert |
| K36 | Coolant shortage warning lamp |
| T2j | 2-pin connector, on immobilizer reading coil |
| T8b | 8-pin connector, on dash panel insert |
| T11b | 11-pin connector, (red) in engine compartment, left |
| T32a | 32-pin connector, on dash panel insert |
| F22 | Oil pressure switch |
| J285 | Control unit with display in dash panel insert |
| J519 | Onboard power supply control unit |
| K | Dash panel insert |
| K3 | Oil pressure warning lamp |
| L10 | Dash panel insert light bulb |
| T1b | Single connector, on oil pressure switch |
| T8b | 8-pin connector, on dash panel insert |
| T11b | 11-pin connector, (red) in engine compartment, left |
| T14a | 14-pin connector, in engine compartment, left |
| T16a | 16-pin connector, on onboard power supply control unit |
| T18b | 18-pin connector, on onboard power supply control unit |
| T32a | 32-pin connector, on dash panel insert |
| G32 | Coolant shortage indicator sender |
| J519 | Onboard power supply control unit |
| J533 | Data bus diagnostic interface |
| T2n | 2-pin connector, on coolant shortage indicator sender |
| T6p | 6-pin connector, (yellow) in engine compartment, left |
| T6q | 6-pin connector, (blue) in engine compartment, left |
| T11b | 11-pin connector, (red) in engine compartment, left |
| T16a | 16-pin connector, on onboard power supply control unit |
| T16b | 16-pin connector, near relay station |
| T18a | 18-pin connector, on onboard power supply control unit |
| 327 | Earth connection (sender earth), in engine compartment wiring harness |
| 410 | Earth connection -1- (sender earth), in main wiring harness |
| B159 | Connection (diagnosis), in interior wiring harness |
| B231 | Positive connection -5- (30a), in interior wiring harness |
| B500 | Connection (86s), in interior wiring harness |