| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| T3y | 3-pin connector, black, in engine compartment, left |
| T6z | 6-pin connector, red, connector point, electronics box, plenum chamber |
| T10 | 10-pin connector, brown, connector point, electronics box, plenum chamber |
| 11 | Earth point, in battery box |
| A17 | Connection (61), in dash panel wiring harness |
| A86 | Positive (+) connection (50a), in dash panel wiring harness |
| J52 | Glow plug relay |
| J248 | Diesel direct injection system control unit |
| J322 | Diesel direct injection system relay |
| Q6 | Glow plugs (engine) |
| S39 | Strip fuse 1 for glow plugs (engine) |
| S189 | Strip fuse 2 for glow plugs (engine) |
| T3aa | 3-pin connector, white, connector point, electronics box, plenum chamber |
| T10z | 10-pin connector, yellow, connector point, electronics box, plenum chamber |
| 12 | Earth connection, in engine compartment, left |
| 156 | Earth connection, in diesel direct injection wiring harness |
| A40 | Positive (+) connection -1- (30), in dash panel wiring harness |
| D101 | Connection -1-, in engine compartment wiring harness |
| F26 | Connection -2-, in diesel direct injection system wiring harness |
| F28 | Connection -3-, in diesel direct injection system wiring harness |
| E87 | Control and display unit for air conditioner |
| F8 | Kick-down switch |
| F60 | Idling switch |
| G2 | Coolant temperature sender |
| G31 | Charge air pressure sender |
| G62 | Coolant temperature sender |
| G79 | Accelerator pedal position sender |
| G80 | Needle lift sender |
| G93 | Gearbox oil temperature sender |
| J248 | Diesel direct injection system control unit |
| T2k | 2-pin connector, brown, in engine compartment |
| T10 | 10-pin connector, brown, connector point, electronics box, plenum chamber |
| T10v | 10-pin connector, brown, right connector point, A pillar |
| T10z | 10-pin connector, yellow, connector point, electronics box, plenum chamber |
| T15 | 15-pin connector, white, connector point, electronics box, plenum chamber |
| 156 | Earth connection, in diesel direct injection wiring harness |
| 199 | Earth connection -3-, in dash panel wiring harness |
| * | Only models with air conditioner |
| E45 | Cruise control system switch |
| F | Brake light switch |
| J138 | Radiator fan run-on relay |
| J248 | Diesel direct injection system control unit |
| J399 | Injection pump control unit |
| M9 | Brake light bulb, left |
| M10 | Brake light bulb, right |
| S102 | Fuse for engine electrics (diesel) |
| T6y | 6-pin connector, in steering column |
| T6z | 6-pin connector, red, connector point, electronics box, plenum chamber |
| T10 | 10-pin connector, brown, connector point, electronics box, plenum chamber |
| T10p | 10-pin connector, blue, left connector point, A pillar |
| T15 | 15-pin connector, white, connector point, electronics box, plenum chamber |
| 156 | Earth connection, in diesel direct injection wiring harness |
| A18 | Connection (54), in dash panel wiring harness |
| D107 | Connection -5-, in engine compartment wiring harness |
| D108 | Connection -6-, in engine compartment wiring harness |
| F25 | Connection -1-, in diesel direct injection system wiring harness |
| * | Only models with cruise control system |
| G210 | Low fuel level sender |
| J17 | Fuel pump relay |
| J217 | Automatic gearbox control unit |
| J248 | Diesel direct injection system control unit |
| J442 | Alternator cut-in relay |
| T6e | 6-pin connector, blue, left connector point, A pillar |
| T6z | 6-pin connector, red, connector point, electronics box, plenum chamber |
| T10 | 10-pin connector, brown, connector point, electronics box, plenum chamber |
| T10a | 10-pin connector, brown, left connector point, A pillar |
| T10m | 10-pin connector, black, connector point, electronics box, plenum chamber |
| T10x | 10-pin connector, blue, right connector point, A pillar |
| T15 | 15-pin connector, white, connector point, electronics box, plenum chamber |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A45 | Connection (engine speed signal), in dash panel wiring harness |
| A99 | Connection -1- (87), in dash panel wiring harness |
| A121 | Connection (high bus), in dash panel wiring harness |
| A122 | Connection (low bus), in dash panel wiring harness |
| * | Only models with automatic gearbox |
| ** | CAN bus (data wires) |
| F36 | Clutch pedal switch |
| G70 | Air mass meter |
| J248 | Diesel direct injection system control unit |
| N18 | Exhaust gas recirculation valve |
| N75 | Charge pressure control solenoid valve |
| N144 | Electro/hydraulic engine mounting solenoid valve, left |
| N145 | Electro/hydraulic engine mounting solenoid valve, right |
| T10z | 10-pin connector, yellow, connector point, electronics box, plenum chamber |
| T15 | 15-pin connector, white, connector point, electronics box, plenum chamber |
| A71 | Connection (86), in dash panel wiring harness |
| D102 | Connection -2-, in engine compartment wiring harness |
| D103 | Connection -3-, in engine compartment wiring harness |
| D106 | Connection -4-, in engine compartment wiring harness |
| * | Only models with manual gearbox |
| F4 | Reversing light switch |
| G28 | Engine speed sender |
| J189 | Auto-check system |
| J248 | Diesel direct injection system control unit |
| M16 | Reversing light bulb, left |
| M17 | Reversing light bulb, right |
| T3m | 3-pin connector, grey, in engine compartment, left |
| T6z | 6-pin connector, red, connector point, electronics box, plenum chamber |
| T10 | 10-pin connector, brown, connector point, electronics box, plenum chamber |
| T10a | 10-pin connector, brown, left connector point, A pillar |
| T10m | 10-pin connector, black, connector point, electronics box, plenum chamber |
| T20 | 20-pin connector, black, on dash panel insert |
| 86 | Earth connection -1-, in rear wiring harness |
| 156 | Earth connection, in diesel direct injection wiring harness |
| 196 | Earth connection -3-, in rear wiring harness |
| A70 | Connection (15a, fuse 231), in dash panel wiring harness |
| A87 | Connection (reversing light), in dash panel wiring harness |
| * | Only models with manual gearbox |
| ** | Only models with driver information system |
| *** | Only models with automatic gearbox |
| **** | Only models with front-wheel drive |
| F1 | Oil pressure switch |
| F66 | Coolant shortage indicator switch |
| G | Fuel gauge sender |
| G6 | Fuel pump |
| G8 | Oil temperature sender |
| G22 | Speedometer sender (Hall sender, on gearbox) |
| J218 | Combi-processor in dash panel insert |
| K2 | Alternator warning lamp |
| K29 | Glow period warning lamp |
| T10a | 10-pin connector, brown, left connector point, A pillar |
| T10m | 10-pin connector, black, connector point, electronics box, plenum chamber |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| 32 | Earth point, behind dash panel, left |
| 86 | Earth connection -1-, in rear wiring harness |
| 156 | Earth connection, in diesel direct injection wiring harness |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A32 | Positive (+) connection (30), in dash panel wiring harness |
| A50 | Positive (+) connection (30as), in dash panel wiring harness |
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