| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| J519 | Onboard power supply control unit |
| J687 | 4MV (injection system) control unit |
| S162 | Fuse -1- (30), in battery fuse holder |
| S163 | Fuse -2- (30), in battery fuse holder |
| S268 | Fuse -10- (30), in battery fuse holder |
| T1a | Single connector, on starter |
| T2x | 2-pin connector, near dual tone horn |
| T2y | 2-pin connector, on alternator |
| T6q | 6-pin connector, blue, in engine compartment, left |
| T11d | 11-pin connector, white, in engine compartment, left |
| T12a | 12-pin connector, white, in engine compartment, left |
| T18a | 18-pin connector, on onboard power supply control unit |
| T81a | 81-pin connector, on 4MV (injection system) control unit |
| 1 | Earth strap, battery body |
| 507 | Screw connection (30), on battery fuse holder |
| 621 | Earth point, onboard power supply battery |
| D | Ignition/starter switch |
| E19 | Parking light switch |
| J519 | Onboard power supply control unit |
| SB10 | Fuse -10- on fuse holder |
| T8a | 8-pin connector, on ignition/starter switch |
| T11b | 11-pin connector, red, in engine compartment, left |
| T18a | 18-pin connector, on onboard power supply control unit |
| T41a | 41-pin connector, on headlight dipper/flasher switch |
| B111 | Positive connection -1- (30a), in interior wiring harness |
| B491 | Positive connection (75), in interior wiring harness |
| B500 | Connection (86s), in interior wiring harness |
| B503 | Positive connection -7- (30a), in interior wiring harness |
| E4 | Headlight dipper/flasher switch |
| F | Brake light switch |
| J519 | Onboard power supply control unit |
| J533 | Data bus diagnostic interface |
| SB26 | Fuse -26- on fuse holder |
| SB29 | Fuse -29- on fuse holder |
| T3c | 3-pin connector, (grey) in engine compartment, left |
| T4c | 4-pin connector, on cruise control system brake pedal switch (diesel direct injection system) |
| 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 |
| T41a | 41-pin connector, on headlight dipper/flasher switch |
| TV3 | Terminal 30a wiring junction |
| 279 | Earth connection -5-, in interior wiring harness |
| 284 | Earth connection -6-, in interior wiring harness |
| 285 | Earth connection -7-, in interior wiring harness |
| 606 | Earth point, under the centre console, near gear stick |
| B150 | Positive connection -2- (30a), in interior wiring harness |
| B159 | Connection (diagnosis), in interior wiring harness |
| B231 | Positive connection -5- (30a), in interior wiring harness |
| F125 | Multi-function switch |
| J217 | Automatic gearbox control unit |
| J519 | Onboard power supply control unit |
| J687 | 4MV (injection system) control unit |
| S271 | Fuse -13- (30), in battery fuse holder |
| T8o | 8-pin connector, near battery |
| T10f | 10-pin connector, in multi-function switch |
| T68a | 68-pin connector, on automatic gearbox control unit |
| T81a | 81-pin connector, on 4MV (injection system) control unit |
| 13 | Earth point, on right in engine compartment |
| 14 | Earth point, on gearbox |
| 131 | Earth connection -2-, in engine compartment wiring harness |
| U2 | Connection -1- (15), in automatic gearbox wiring harness |
| G68 | Vehicle speed sender (inductive sender, 2 connections) |
| G93 | Gearbox oil temperature sender |
| J217 | Automatic gearbox control unit |
| J519 | Onboard power supply control unit |
| N88 | Solenoid valve 1 |
| N89 | Solenoid valve 2 |
| N90 | Solenoid valve 3 |
| N91 | Solenoid valve 4 |
| N92 | Solenoid valve 5 |
| N93 | Solenoid valve 6 |
| T2cg | 2-pin connector, on vehicle speed sender (inductive sender, 2 connections) |
| T8p | 8-pin connector, on gearbox oil temperature sender |
| T68a | 68-pin connector, on automatic gearbox control unit |
| 14 | Earth point, on gearbox |
| G38 | Gearbox speed sender |
| J217 | Automatic gearbox control unit |
| J519 | Onboard power supply control unit |
| J687 | 4MV (injection system) control unit |
| T2ch | 2-pin connector, on gearbox speed sender |
| T6q | 6-pin connector, blue, in engine compartment, left |
| T8o | 8-pin connector, near battery |
| T11d | 11-pin connector, white, in engine compartment, left |
| T16a | 16-pin connector, on onboard power supply control unit |
| T68a | 68-pin connector, on automatic gearbox control unit |
| T81a | 81-pin connector, on 4MV (injection system) 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 |
| D166 | Connection (K diagnosis wiring), in engine compartment wiring harness |
| J285 | Control unit with display in dash panel insert |
| J519 | Onboard power supply control unit |
| J687 | 4MV (injection system) control unit |
| K | Dash panel insert |
| SB15 | Fuse -15- on fuse holder |
| SB45 | Fuse -45- on fuse holder |
| T6p | 6-pin connector, yellow, in engine compartment, left |
| T6q | 6-pin connector, blue, in engine compartment, left |
| T32a | 32-pin connector, on dash panel insert |
| T81a | 81-pin connector, on 4MV (injection system) control unit |
| Y6 | Selector lever position indicator |
| B163 | Positive connection -1- (15), in interior wiring harness |
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