| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| T1ag | Single connector, on starter |
| T2bo | 2-pin connector, on alternator |
| T2v | 2-pin connector, near battery |
| 1 | Earth strap, battery body |
| 49 | Earth point, near battery |
| 501 | Screw connection -2- (30), on relay plate |
| D26 | Positive connection (B+), in alternator wiring harness |
| P1 | Positive connection (30), in fuse holder/battery |
| G39 | Lambda probe |
| J17 | Fuel pump relay |
| J220 | Motronic control unit |
| T1o | Single connector, on lower part of right A-pillar |
| T4i | 4-pin connector, in engine compartment, rear |
| T6n | 6-pin connector, (lilac) behind shelf - front passenger's side |
| T9e | 9-pin connector, on fuel pump relay |
| T28a | 28-pin connector, near starter |
| T80a | 80-pin connector, on motronic control unit |
| E41 | Positive connection (15), in injection system wiring harness |
| E43 | Connection (87), in injection system wiring harness |
| F129 | Selector lever lock buzzer switch |
| J16 | Current supply relay |
| J209 | Fresh air blower and radiator fan relay |
| J220 | Motronic control unit |
| J365 | Air conditioning system switch-off relay |
| N25 | Air conditioning system magnetic coupling |
| T1e | Single connector, on air conditioning system magnetic coupling |
| T4e | 4-pin connector, on air conditioner pressure switch |
| T6f | 6-pin connector, (red) next to relay plate |
| T6n | 6-pin connector, (lilac) behind shelf - front passenger's side |
| T6p | 6-pin connector, (brown) behind shelf - front passenger's side |
| T8k | 8-pin connector, behind dash panel, centre |
| T9b | 9-pin connector, on fresh air blower and radiator fan relay |
| T9d | 9-pin connector, on air conditioning system switch-off relay |
| T9f | 9-pin connector, on current supply relay |
| T80a | 80-pin connector, on motronic control unit |
| 43 | Earth point, lower part of right A-pillar |
| 331 | Earth connection, in injection system wiring harness |
| A138 | Connection -2-, in dash panel wiring harness |
| E41 | Positive connection (15), in injection system wiring harness |
| E42 | Positive connection (30a), in injection system wiring harness |
| G22 | Speedometer sender (Hall sender on gearbox) |
| G70 | Air mass meter |
| J220 | Motronic control unit |
| N75 | Charge pressure control solenoid valve |
| N80 | Activated charcoal filter system solenoid valve I (pulsed) |
| N205 | Inlet camshaft timing adjustment valve -1- |
| T2ar | 2-pin connector, on activated charcoal filter system solenoid valve I |
| T2ce | 2-pin connector, on charge pressure control solenoid valve |
| T2cj | 2-pin connector, on inlet camshaft timing adjustment valve -1- |
| T3g | 3-pin connector, on speedometer sender |
| T5v | 5-pin connector, on air mass meter |
| T28a | 28-pin connector, near starter |
| T80a | 80-pin connector, on motronic control unit |
| E45 | Connection (87), in injection system wiring harness |
| E50 | Positive connection -3- (5 Volt), in injection system wiring harness |
| F96 | Altitude sender |
| G28 | Engine speed sender |
| G61 | Knock sensor I |
| G66 | Knock sensor II |
| J220 | Motronic control unit |
| J362 | Immobilizer control unit |
| T3p | 3-pin connector, near starter |
| T3s | 3-pin connector, near starter |
| T3t | 3-pin connector, near starter |
| T3v | 3-pin connector, on altitude sender |
| T6n | 6-pin connector, (lilac) behind shelf - front passenger's side |
| T8g | 8-pin connector, on immobilizer control unit |
| T80a | 80-pin connector, on motronic control unit |
| 323 | Earth connection (knock sensor), in injection system wiring harness |
| E51 | Connection (rev signal), in injection system wiring harness |
| J220 | Motronic control unit |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| N152 | Ignition transformer |
| P | Spark plug connector |
| Q | Spark plug |
| T2bd | 2-pin connector, on injector, cylinder 1 |
| T2be | 2-pin connector, on injector, cylinder 2 |
| T2bf | 2-pin connector, on injector, cylinder 3 |
| T2bg | 2-pin connector, on injector, cylinder 4 |
| T4n | 4-pin connector, on ignition transformer |
| T28a | 28-pin connector, near starter |
| T80a | 80-pin connector, on motronic control unit |
| 323 | Earth connection (knock sensor), in injection system wiring harness |
| 341 | Earth connection -3-, in injection system wiring harness |
| E48 | Connection (injectors), in injection system wiring harness |
| E51 | Connection (rev signal), in injection system wiring harness |
| F60 | Idling switch |
| G2 | Coolant temperature sender |
| G42 | Intake air temperature sender |
| G62 | Coolant temperature sender |
| G69 | Throttle valve potentiometer |
| G88 | Throttle valve positioner potentiometer |
| J220 | Motronic control unit |
| T2cf | 2-pin connector, on intake air temperature sender |
| T4k | 4-pin connector, on coolant temperature sender |
| T6n | 6-pin connector, (lilac) behind shelf - front passenger's side |
| T6o | 6-pin connector, (red) behind shelf - front passenger's side |
| T8a | 8-pin connector, on throttle valve positioner |
| T28a | 28-pin connector, near starter |
| T80a | 80-pin connector, on motronic control unit |
| V60 | Throttle valve positioner |
| 339 | Earth connection (sender earth), in injection system wiring harness |
| F88 | Power assisted steering pressure switch |
| F163 | Air conditioner shut-off thermal switch |
| G40 | Hall sender |
| J220 | Motronic control unit |
| T1ae | Single connector, on air conditioner shut-off thermal switch |
| T1af | Single connector, on air conditioner shut-off thermal switch |
| T2cd | 2-pin connector, on power assisted steering pressure switch |
| T3q | 3-pin connector, on hall sender |
| T6n | 6-pin connector, (lilac) behind shelf - front passenger's side |
| T6p | 6-pin connector, (brown) behind shelf - front passenger's side |
| T8k | 8-pin connector, behind dash panel, centre |
| T28a | 28-pin connector, near starter |
| T80a | 80-pin connector, on motronic control unit |
| 43 | Earth point, lower part of right A-pillar |
| 339 | Earth connection (sender earth), in injection system wiring harness |
| 340 | Earth connection -2-, in injection system wiring harness |
| E40 | Connection (vehicle speed sensor), in injection system wiring harness |
| L2 | Connection in air conditioner wiring harness |
| D | Ignition/starter switch |
| G | Fuel gauge sender |
| G6 | Fuel pump (pre-supply pump) |
| J59 | X contact relief relay |
| R | Radio |
| T4g | 4-pin connector, under rear right seat |
| T6k | 6-pin connector, (lilac) next to relay plate |
| T6q | 6-pin connector, (white) next to relay plate |
| T7c | 7-pin connector, on ignition/starter switch |
| T8h | 8-pin connector, on radio |
| 44 | Earth point, lower part of left A-pillar |
| A2 | Positive connection (15), in dash panel wiring harness |
| A78 | Connection (SU), in dash panel wiring harness |
| J362 | Immobilizer control unit |
| S13 | Fuse in relay plate fuse box |
| S14 | Fuse in relay plate fuse box |
| T8g | 8-pin connector, on immobilizer control unit |
| T16a | 16-pin connector, behind shelf-driver's side, diagnosis connection |
| 44 | Earth point, lower part of left A-pillar |
| 81 | Earth connection -1-, in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| A164 | Positive connection -2- (30a), in dash panel wiring harness |
| F22 | Oil pressure switch (0.3 bar) |
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| J285 | Control unit with display in dash panel insert |
| K | Dash panel insert |
| K2 | Alternator warning lamp |
| K3 | Oil pressure warning lamp |
| S227 | Fuse in fuse holder |
| T1x | Single connector, on oil pressure switch (0.3 bar) |
| T6e | 6-pin connector, (brown) next to relay plate |
| T6o | 6-pin connector, (red) behind shelf - front passenger's side |
| T28a | 28-pin connector, near starter |
| T32a | 32-pin connector, on dash panel insert |
| 335 | Earth connection -5-, in dash panel wiring harness |