| G71 | Intake manifold pressure sender |
| G72 | Intake manifold temperature sender |
| J246 | Magnetic coupling cut-out relay, air conditioning system |
| J248 | Diesel direct injection system control unit, near battery |
| J317 | Terminal 30 voltage supply relay, under driver's seat |
| S74 | Air mass meter fuse |
| S204 | Fuse -1- (30) |
| S282 | Engine electronics fuse |
| T121 | 121-pin connector, on diesel direct injection system control unit |
| 11 | Earth point, in battery box |
| 156 | Earth connection, in diesel direct injection wiring harness |
| D50 | Positive (+) connection (30), in engine compartment wiring harness |
| D81 | Positive (+) connection (magnetic coupling), in engine compartment wiring harness |
| D101 | Connection -1-, in engine compartment wiring harness |
| D102 | Connection -2-, in engine compartment wiring harness |
| F26 | Connection -2-, in diesel direct injection system wiring harness |
| * | Connection only with air conditioner |
| Only models with immobilizer |
| F | Brake light switch |
| F36 | Clutch pedal switch |
| F47 | Cruise control system brake pedal switch (diesel direct injection system), in footwell, front left |
| G28 | Engine speed sender, on engine, rear left |
| G70 | Air mass meter |
| G80 | Needle lift sender |
| J248 | Diesel direct injection system control unit, near battery |
| S5 | Fuse in fuse box/relay plate |
| T2 | 2-pin connector, on engine left |
| T3a | 3-pin connector, near engine speed sender |
| T5 | 5-pin connector |
| T121 | 121-pin connector, on diesel direct injection system control unit |
| 200 | Earth connection (sender earth), in engine wiring harness |
| D103 | Connection -3-, in engine compartment wiring harness |
| W1 | Positive (+) connection (54), in rear wiring harness |
| E45 | Cruise control system switch* |
| E227 | Cruise control system (CCS) button (Set)* |
| J248 | Diesel direct injection system control unit, near battery |
| J362 | Immobilizer control unit |
| K117 | Immobilizer warning lamp |
| N18 | Exhaust gas recirculation valve |
| N75 | Charge pressure control solenoid valve |
| T6a | 6-pin connector |
| T12c | 12-pin connector |
| T14 | 14-pin connector, in footwell, front left, self-diagnosis connection for V.A.G 1551 |
| T22d | 22-pin connector, under dash panel, left |
| T121 | 121-pin connector, on diesel direct injection system control unit |
| D103 | Connection -3-, in engine compartment wiring harness |
| H20 | Connection -1-, in diagnosis wiring harness |
| H21 | Connection -2-, in diagnosis wiring harness |
| * | Only models with cruise control system |
| Only models with immobilizer |
| F8 | Kick-down switch |
| F60 | Idling switch |
| G2 | Coolant temperature sender |
| G62 | Coolant temperature sender |
| G79 | Accelerator pedal position sender, in engine compartment, on bulkhead, left |
| G81 | Fuel temperature sender |
| G149 | Modulating piston movement sender |
| J248 | Diesel direct injection system control unit, near battery |
| N108 | Commencement of injection valve |
| N146 | Metering adjuster |
| T10 | 10-pin connector, on engine left |
| T121 | 121-pin connector, on diesel direct injection system control unit |
| F25 | Connection -1-, in diesel direct injection system wiring harness |
| F27 | Connection (screening), in diesel direct injection wiring harness |
| F9 | Handbrake warning switch |
| H1 | Horn |
| J52 | Glow plug relay, near battery |
| J248 | Diesel direct injection system control unit, near battery |
| J404 | Terminal 15 relief relay, under driver's seat |
| N109 | Fuel shut-off valve |
| N239 | Intake manifold flap change-over valve |
| N246 | Continued circulation of coolant regulation breather valve |
| Q6 | Glow plugs - engine |
| S7 | Fuse in fuse box/relay plate |
| S39 | Strip fuse for glow plugs - engine, on relay for glow plugs |
| T2a | 2-pin connector, near coolant tank |
| T6 | 6-pin connector |
| T10 | 10-pin connector, on engine left |
| T121 | 121-pin connector, on engine control unit |
| 11 | Earth point, below battery box |
| 28 | Earth point, on bulkhead, left |
| 34 | Earth point, under driver's seat |
| A20 | Connection (15a), in dash panel wiring harness |
| A115 | Connection (handbrake warning), in dash panel wiring harness |
| F22 | Oil pressure switch |
| F95 | Thermo-switch for continued coolant circulation |
| G | Fuel gauge sender |
| G22 | Speedometer sender (on gearbox) |
| G32 | Coolant shortage indicator sender |
| J285 | Control unit with display in dash panel insert |
| K36 | Coolant shortage warning lamp |
| S82 | Continued circulation of coolant pump fuse, under driver's seat |
| T2b | 2-pin connector, on engine left |
| T2c | 2-pin connector, on left under dash panel |
| T12a | 12-pin connector |
| T22 | 22-pin connector, under dash panel, left |
| V51 | Continued coolant circulation pump |
| 18 | Earth point, on cylinder block |
| 28 | Earth point, on bulkhead, left |
| 34 | Earth point, under driver's seat |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| G17 | Ambient temperature sensor, in front bumper |
| G21 | Speedometer |
| G106 | Ambient temperature indicator** |
| J285 | Control unit with display in dash panel insert |
| K3 | Oil pressure warning lamp |
| K105 | Reserve fuel warning lamp |
| T12 | 12-pin connector |
| T12a | 12-pin connector |
| T12b | 12-pin connector |
| T22 | 22-pin connector, under dash panel, left |
| T22d | 22-pin connector, under dash panel, left |
| ** | Only optional equipment with ambient temperature indicator |
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