| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| F18 | Thermal switch for radiator fan |
| J519 | Onboard supply control unit |
| S162 | Fuse 1 (30) in fuse holder on battery |
| S163 | Fuse 2 (30) in fuse holder on battery |
| S176 | Fuse 4 (30) in fuse holder on battery |
| S180 | Fuse 8 (30) in fuse holder on battery |
| T1a | Single pin connector, on starter |
| T2bs | 2-pin connector, near dual tone horn |
| T2y | 2-pin connector, on alternator |
| T3e | 3-pin connector, in left engine compartment |
| T3f | 3-pin connector, on radiator fan thermal switch |
| T6q | 6-pin connector, in left engine compartment |
| T11d | 11-pin connector, in left engine compartment |
| T18a | 18-pin connector, on onboard supply control unit |
| V7 | Radiator fan |
| 1 | Earth strap, battery - body |
| 12 | Earth point, on left in engine compartment |
| 507 | Screw connection (30), on fuse holder on battery |
| 621 | Earth point, onboard supply battery |
| D | Ignition/starter switch |
| E19 | Parking light switch |
| J519 | Onboard supply control unit |
| SB10 | Fuse 10 on fuse holder |
| T8a | 8-connector, on ignition/starter switch |
| T18a | 18-pin connector, on onboard supply control unit |
| T41a | 41-pin connector, on turn signal switch |
| B111 | Positive connection 1 (30a), in interior wiring harness |
| B165 | Positive connection 2 (15), 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 |
| J519 | Onboard supply control unit |
| J533 | Data bus diagnostic interface |
| SB26 | Fuse 26 on fuse holder |
| SB29 | Fuse 29 on fuse holder |
| T3c | 3-pin connector, in left engine compartment |
| T16a | 16-pin connector, on onboard supply control unit |
| T16b | 16-pin connector, near relay station, self-diagnosis connection |
| T18a | 18-pin connector, on onboard supply control unit |
| 284 | Earth connection 6, in interior wiring harness |
| B150 | Positive connection 2 (30a), in interior wiring harness |
| B156 | Positive connection (30a), in interior wiring harness |
| B159 | Connection (diagnosis), in interior wiring harness |
| B231 | Positive connection 5 (30a), in interior wiring harness |
| G28 | Engine speed sender |
| G62 | Coolant temperature display sender |
| G80 | Needle lift sender |
| J52 | Glow plug relay |
| J248 | Diesel direct injection system control unit |
| J519 | Onboard supply control unit |
| T2bo | 2-pin connector, on needle lift sender (diesel) |
| T2z | 2-pin connector, on coolant temperature sender |
| T3t | 3-pin connector, on engine speed sender |
| T6an | 6-pin connector, on glow plug relay |
| T6m | 6-pin connector, in left engine compartment |
| T11d | 11-pin connector, in left engine compartment |
| T40a | 40-pin connector, on diesel direct injection system control unit |
| T81a | 81-pin connector, on diesel direct injection system control unit |
| B512 | Positive connection 10 (30a), in interior wiring harness |
| D78 | Positive connection 1 (30a), in engine compartment wiring harness |
| F27 | Connection (screening), in diesel direct injection wiring harness |
| G81 | Fuel temperature sender |
| G149 | Modulating piston movement sender |
| J248 | Diesel direct injection system control unit |
| J519 | Onboard supply control unit |
| N18 | Exhaust gas recirculation valve |
| N108 | Commencement of injection valve |
| N109 | Fuel shut-off valve |
| N146 | Metering adjuster |
| T2br | 2-pin connector, on exhaust gas recirculation valve |
| T6q | 6-pin connector, in left engine compartment |
| T10e | 10-pin connector, in front engine compartment |
| T40a | 40-pin connector, on diesel direct injection system control unit |
| T81a | 81-pin connector, on diesel direct injection system control unit |
| F25 | Connection 1, in diesel direct injection system wiring harness |
| J248 | Diesel direct injection system control unit |
| J519 | Onboard supply control unit |
| SB4 | Fuse 4 on fuse holder |
| SB14 | Fuse 14 on fuse holder |
| SB40 | Fuse 40 on fuse holder |
| T3c | 3-pin connector, in left engine compartment |
| T4ac | 4-pin connector, on intake manifold flap motor |
| T11b | 11-pin connector, in left engine compartment |
| T14a | 14-pin connector, in left engine compartment |
| T81a | 81-pin connector, on diesel direct injection system control unit |
| V157 | Intake manifold flap motor |
| B146 | Positive connection 1 (87), in interior wiring harness |
| D177 | Connection (87a), in engine compartment wiring harness |
| F36 | Connection (87a), in diesel direct injection system wiring harness |
| J248 | Diesel direct injection system control unit |
| J322 | Diesel direct injection system relay |
| J359 | Low heat output relay |
| J360 | High heat output relay |
| J519 | Onboard supply control unit |
| T6am | 6-pin connector, on high heat output relay |
| T6p | 6-pin connector, in left engine compartment |
| T9b | 9-pin connector, on diesel direct injection system relay |
| T9c | 9-pin connector, on low heat output relay |
| T11a | 11-pin connector, in left engine compartment |
| T14a | 14-pin connector, in left engine compartment |
| T81a | 81-pin connector, on diesel direct injection system control unit |
| B146 | Positive connection 1 (87), in interior wiring harness |
| B151 | Positive connection 3 (30a), in interior wiring harness |
| D178 | Connection 1 (87a), in engine compartment wiring harness |
| E22 | Intermittent wiper switch |
| F | Brake light switch |
| F36 | Clutch pedal switch |
| F47 | Cruise control system brake pedal switch/diesel direct injection system |
| F268 | Auxiliary heating heater element contact switch |
| J248 | Diesel direct injection system control unit |
| J519 | Onboard supply control unit |
| SB16 | Fuse 16 on fuse holder |
| SB17 | Fuse 17 on fuse holder |
| T4c | 4-pin connector, on brake light switch |
| T4p | 4-pin connector, on clutch pedal switch |
| T6q | 6-pin connector, in left engine compartment |
| T10a | 10-pin connector, behind right dash panel |
| T11a | 11-pin connector, in left engine compartment |
| T11b | 11-pin connector, in left engine compartment |
| T11d | 11-pin connector, in left engine compartment |
| T16d | 16-pin connector, on auxiliary heating heater element contact switch |
| T41a | 41-pin connector, on turn signal switch |
| T81a | 81-pin connector, on diesel direct injection system control unit |
| B131 | Connection (54), in interior wiring harness |
| B135 | Positive connection 1 (15a), in interior wiring harness |
| D73 | Positive connection (54), in engine compartment wiring harness |
| D101 | Connection 1, in engine wiring harness |
| F8 | Kick-down switch |
| F60 | Idling speed switch |
| G72 | Intake manifold pressure sender |
| G79 | Accelerator position sender |
| J248 | Diesel direct injection system control unit |
| J500 | Power steering control unit |
| J519 | Onboard supply control unit |
| T2bt | 2-pin connector, on intake manifold pressure sender |
| T4e | 4-pin connector, on power steering control unit |
| T6z | 6-pin connector, in accelerator position sender |
| T11a | 11-pin connector, in left engine compartment |
| T11d | 11-pin connector, in left engine compartment |
| T81a | 81-pin connector, on diesel direct injection system control unit |
| 201 | Earth connection 5, in engine compartment wiring harness |
| B230 | Connection (low bus), in interior wiring harness |
| D160 | Connection (low bus), in engine compartment wiring harness |
| G22 | Speedometer sender |
| J248 | Diesel direct injection system control unit |
| J500 | Power steering control unit |
| J519 | Onboard supply control unit |
| T3i | 3-pin connector, on speedometer sender |
| T4e | 4-pin connector, on power steering control unit |
| T11b | 11-pin connector, in left engine compartment |
| T11d | 11-pin connector, in left engine compartment |
| T14a | 14-pin connector, in left engine compartment |
| T16a | 16-pin connector, on onboard supply control unit |
| T18a | 18-pin connector, on onboard supply control unit |
| T81a | 81-pin connector, on diesel direct injection system control unit |
| 13 | Earth point, on right in engine compartment |
| 131 | Earth connection 2, in engine compartment wiring harness |
| 156 | Earth connection, in diesel direct injection wiring harness |
| B163 | Positive connection 1 (15), in interior wiring harness |
| B178 | Connection (speed signal), in interior wiring harness |
| B229 | Connection (high bus), in interior wiring harness |
| B492 | Positive connection 3 (15), in interior wiring harness |
| D159 | Connection (high bus), in engine compartment wiring harness |
| F1 | Oil pressure switch |
| G | Fuel gauge sender |
| G1 | Fuel gauge |
| J285 | Display control unit in dash panel insert |
| J519 | Onboard supply control unit |
| K | Dash panel insert |
| K3 | Oil pressure warning lamp |
| K29 | Glow period warning lamp |
| K105 | Reserve fuel warning lamp |
| T1i | Single pin connector, on oil pressure switch |
| T2bu | 2-pin connector, on fuel gauge sender |
| T11b | 11-pin connector, in left engine compartment |
| T14a | 14-pin connector, in left engine compartment |
| T32a | 32-pin connector, on dash panel insert |
| 269 | Earth connection (sender earth) 1, in dash panel wiring harness |
| J519 | Onboard supply control unit |
| Q6 | Glow plugs - (engine) |
| S276 | Heater element fuse 1 |
| S277 | Heater element fuse 2 |
| S278 | Heater element fuse 3 |
| T2bv | 2-pin connector, on engine glow plug |
| T3x | 3-pin connector, on auxiliary air heater element |
| T6m | 6-pin connector, in left engine compartment |
| Z35 | Auxiliary heater element |
| 42 | Earth point, next to steering column |
| 279 | Earth connection 5, in interior wiring harness |
| 285 | Earth connection 7, in interior wiring harness |
| 606 | Earth point, under the centre console near gear stick |
| B513 | Positive connection 4 (87), in interior wiring harness |
| B514 | Positive connection 5 (87), in interior wiring harness |
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