| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| E1 | Light switch |
| E19 | Parking light switch |
| J59 | X contact relief relay |
| T2b | 2-pin connector, on engine |
| T10 | 10-pin connector, green, coupling station |
| TV2 | Terminal 30 wiring junction |
| 1 | Earth strap, battery - body |
| 2 | Earth strap, gearbox - body |
| 61 | Earth point, left C-pillar |
| A32 | Positive (+) connection (30), in dash panel wiring harness |
| A40 | Positive (+) connection -1- (30), in dash panel wiring harness |
| A61 | Positive (+) connection (X), in dash panel wiring harness |
| B102 | Earth connection, in front left interior wiring harness |
| * | Only models with additional heater |
| G42 | Intake air temperature sender |
| J234 | Airbag control unit |
| J248 | Diesel direct injection system control unit |
| J362 | Immobilizer control unit |
| J491 | Fuel shut-off control unit (Crash) |
| N18 | Exhaust gas recirculation valve |
| SB15 | Fuse -15- in fuse box |
| SB32 | Fuse -32- in fuse box |
| T10a | 10-pin connector, red, coupling station |
| T10b | 10-pin connector, blue, coupling station |
| 10 | Earth point, in plenum chamber |
| 76 | Earth point, near selector mechanism |
| 81 | Earth connection -1-, in dash panel wiring harness |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A52 | Positive (+) connection -2- (30), in dash panel wiring harness |
| A104 | Positive (+) connection -2- (15), in dash panel wiring harness |
| A125 | Connection (crash signal), in dash panel wiring harness |
| * | Only models with airbag |
| ** | Only models without airbag |
| *** | Wire W for self-diagnosis |
| G28 | Engine speed sender |
| G80 | Needle lift sender |
| J248 | Diesel direct injection system control unit |
| T10 | 10-pin connector, green, coupling station |
| T10a | 10-pin connector, red, coupling station |
| V | Windscreen wiper motor |
| 12 | Earth point, left in engine compartment |
| 82 | Earth connection -1-, in front left wiring harness |
| 131 | Earth connection -2-, in engine compartment wiring harness |
| 156 | Earth connection, in diesel direct injection wiring harness |
| * | Only models with additional heater |
| ** | Only models without additional heater |
| G81 | Fuel temperature sender |
| G149 | Modulating piston movement sender |
| J248 | Diesel direct injection system control unit |
| N109 | Fuel shut-off valve |
| N146 | Metering adjuster |
| SB37 | Fuse -37- in fuse box |
| T10a | 10-pin connector, red, coupling station |
| T10p | 10-pin connector, black, near injection pump |
| F26 | Connection -2-, in diesel direct injection system wiring harness |
| F28 | Connection -3-, in diesel direct injection system wiring harness |
| F8 | Kick-down switch |
| F60 | Idling switch |
| G79 | Accelerator pedal position sender |
| J104 | ABS with EDL control unit |
| J248 | Diesel direct injection system control unit |
| J359 | Low heat output relay |
| J360 | High heat output relay |
| J362 | Immobilizer control unit |
| Q7 | Coolant heating elements |
| T10b | 10-pin connector, blue, coupling station |
| T10n | 10-pin connector, grey, coupling station |
| T24a | 24-pin connector, on cylinder head, left |
| A121 | Connection (high bus), in dash panel wiring harness |
| A122 | Connection (low bus), in dash panel wiring harness |
| D78 | Positive (+) connection -1- (30a), in engine compartment wiring harness |
| D98 | Connection (glow plugs), in engine compartment wiring harness |
| D159 | Positive (+) connection (high bus), in engine compartment wiring harness |
| D160 | Positive (+) connection (low bus), in engine compartment wiring harness |
| * | Only models with additional heater |
| F | Brake light switch |
| F36 | Clutch pedal switch |
| F47 | Cruise control system brake pedal switch (diesel direct injection system) |
| G2 | Coolant temperature sender |
| G62 | Coolant temperature sender |
| J248 | Diesel direct injection system control unit |
| M9 | Brake light bulb, left |
| M10 | Brake light bulb, right |
| M25 | High level brake light bulb |
| T4m | 4-pin connector, on clutch pedal switch |
| T10 | 10-pin connector, green, coupling station |
| T10d | 10-pin connector, white, coupling station |
| T24a | 24-pin connector, on cylinder head, left |
| B131 | Connection (54), in interior wiring harness |
| D73 | Positive (+) connection (54), in engine compartment wiring harness |
| * | Only models without ABS |
| ** | Only models with ABS |
| J52 | Glow plugs relay |
| J317 | Terminal 30 voltage supply relay |
| J248 | Diesel direct injection system control unit |
| N108 | Commencement of injection valve |
| N211 | Throttle butterfly valve |
| Q6 | Glow plugs - (engine) |
| SB23 | Fuse -23- in fuse box |
| SB24 | Fuse -24- in fuse box |
| T10 | 10-pin connector, green, coupling station |
| T10a | 10-pin connector, red, coupling station |
| T10p | 10-pin connector, black, near injection pump |
| T24a | 24-pin connector, on cylinder head, left |
| A100 | Connection -2- (87), in dash panel wiring harness |
| F25 | Connection -1-, in diesel direct injection system wiring harness |
| F31 | Connection (glow plugs - engine) in diesel direct injection system wiring harness |
| * | Only models with additional heater |
| F1 | Oil pressure switch |
| G | Fuel gauge sender |
| G22 | Speedometer sender |
| G32 | Coolant shortage indicator sender |
| J362 | Immobilizer control unit |
| T10 | 10-pin connector, green, coupling station |
| T10a | 10-pin connector, red, coupling station |
| T10c | 10-pin connector, black, coupling station |
| T24a | 24-pin connector, on cylinder head, left |
| 15 | Earth point, on cylinder head |
| A38 | Positive (+) connection -2- (15a), in dash panel wiring harness |
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| G5 | Rev. counter |
| J285 | Control unit with display in dash panel insert |
| K3 | Oil pressure warning lamp |
| K28 | Coolant temperature warning lamp/coolant shortage warning lamp |
| K29 | Glow period warning lamp |
| K105 | Reserve fuel warning lamp |
| T10 | 10-pin connector, green, coupling station |
| T10c | 10-pin connector, black, coupling station |
| G21 | Speedometer |
| J285 | Control unit with display in dash panel insert |
| K2 | Alternator warning lamp |
| SB16 | Fuse -16- in fuse box |
| T10a | 10-pin connector, red, coupling station |
| 76 | Earth point, near selector mechanism |
| 238 | Earth connection -1-, in interior wiring harness |
| 249 | Earth connection -2-, in interior wiring harness |
| A27 | Connection (speed signal), in dash panel wiring harness |
| B158 | Connection (S), in interior wiring harness |
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