| F | Brake light switch |
| G28 | Engine speed sender |
| G70 | Air mass meter |
| G72 | Intake manifold temperature sender |
| J248 | Diesel direct injection system control unit, in plenum chamber, right |
| J362 | Immobilizer control unit, behind dash panel, left |
| T3m | 3-pin connector, on cylinder head, left |
| T8 | 8-pin connector, on immobilizer control unit |
| T68 | 68-pin connector |
| 12 | Earth point, in engine compartment, left |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| 156 | Earth connection, in diesel direct injection wiring harness |
| 220 | Earth connection (sender earth), in engine wiring harness |
| L7 | Connection -3-, in air conditioner wiring harness |
| W1 | Positive (+) connection (54), in rear wiring harness |
| * | Only models with coolant heater element |
| ** | Only models without coolant heater element |
| F36 | Clutch pedal switch |
| F47 | Cruise control system brake pedal switch/diesel direct inj. system |
| G80 | Needle lift sender |
| G81 | Fuel temperature sender |
| G149 | Modulating piston movement sender |
| J248 | Diesel direct injection system control unit, in plenum chamber, right |
| N146 | Metering adjuster |
| T2d | 2-pin connector, on cylinder head, left, near injection pump |
| T8 | 8-pin connector, on injection pump |
| T24 | 24-pin connector, on cylinder head, left |
| T68 | 68-pin connector |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| 156 | Earth connection, in diesel direct injection wiring harness |
| 220 | Earth connection (sender earth), in engine wiring harness |
| F8 | Kick-down switch, only with automatic gearbox |
| F60 | Idling switch |
| G79 | Accelerator pedal position sender |
| J248 | Diesel direct injection system control unit, in plenum chamber, right |
| J317 | Terminal 30 voltage supply relay |
| J325 | Relay for coolant heater elements, on bulkhead left |
| J359 | Low heat output relay |
| J360 | High heat output relay |
| N18 | Exhaust gas recirculation valve |
| Q7 | Coolant heating elements |
| S109 | Strip fuse for coolant heating elements |
| T6a | 6-pin connector, behind relay plate |
| T24 | 24-pin connector, on cylinder head, left |
| T68 | 68-pin connector |
| F25 | Connection -1-, in diesel direct injection system wiring harness |
| F32 | Connection (glow plugs - coolant), in diesel direct injection system wiring harness |
| J52 | Glow plug relay |
| J248 | Diesel direct injection system control unit, in plenum chamber, right |
| N75 | Charge pressure control solenoid valve |
| N108 | Commencement of injection valve |
| N109 | Fuel shut-off valve |
| Q6 | Glow plugs - engine |
| S39 | Strip fuse for glow plugs (engine), on bulkhead, left |
| T3 | 3-pin connector, near injection pump |
| T24 | 24-pin connector, on cylinder head, left |
| T68 | 68-pin connector |
| TV2 | Terminal 30 junction box |
| F26 | Connection -2-, in diesel direct injection system wiring harness |
| F31 | Connection (glow plugs - engine), in diesel direct injection system wiring harness |
| F18 | Radiator fan thermo-switch |
| G | Fuel gauge sender |
| G2 | Coolant temperature gauge sender |
| G8 | Oil temperature sender |
| G17 | Ambient temperature sensor |
| G22 | Speedometer sender (hall sender, on gearbox) |
| G62 | Coolant temperature sender |
| T8d | 8-pin connector, near headlight, right |
| T24 | 24-pin connector, on cylinder head, left |
| V7 | Radiator fan |
| 15 | Earth point, on cylinder head |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| E86 | Multi-function display call-up button |
| E109 | Multi-function display, memory switch |
| F1 | Oil pressure switch |
| F22 | Oil pressure switch (0.3 bar) |
| G21 | Speedometer |
| J285 | Control unit with display in dash panel insert |
| K3 | Oil pressure warning lamp |
| L75 | Digital display illumination |
| T4h | 4-pin connector, behind steering column switch trim |
| T24 | 24-pin connector, on engine left |
| T28 | 28-pin connector, on dash panel insert |
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