| G17 | Ambient temperature sensor |
| G107 | Sunlight penetration photosensor |
| G110 | Air conditioner system coolant temperature sender |
| G152 | Front vent temperature sender |
| J255 | Climatronic control unit |
| L9 | Lighting switch light bulb |
| T3a | 3-pin connector |
| T3b | 3-pin connector |
| T6e | 6-pin connector, left behind dash panel |
| T12 | 12-pin connector, above relay plate |
| T28c | 28-pin connector, red |
| T28d | 28-pin connector, blue |
| TV8 | Terminal 58b junction box, left behind dash panel |
| A4 | Positive (+) connection (58b), in dash panel wiring harness |
| L36 | Connection -1-, in Climatronic controls wiring harness |
| L56 | Connection (sender), in Climatronic wiring harness |
| J248 | Diesel direct injection system control unit |
| J255 | Climatronic control unit |
| N63 | Fresh and recirculation air flap two-way valve |
| T6e | 6-pin connector, left behind dash panel |
| T8k | 8-pin connector, behind relay plate |
| T12 | 12-pin connector, above relay plate |
| T28c | 28-pin connector, red |
| T28d | 28-pin connector, blue |
| T68 | 68-pin connector, diesel direct injection system control unit |
| V50 | Coolant circulation pump |
| 12 | Earth point, in engine compartment, left |
| 45 | Earth point, behind dash panel - centre |
| 119 | Earth connection -1-, in headlight wiring harness |
| 243 | Earth connection -1-, in Climatronic wiring harness |
| G174 | Rear vent temperature sender |
| J255 | Climatronic control unit |
| J391 | Rear fresh air blower control unit |
| T1 | Single connector, left behind dash panel |
| T6e | 6-pin connector, left behind dash panel |
| T16 | 16-pin connector, below cover for compartment/ashtray housing, self-diagnosis for V.A.G. 1551 |
| T28c | 28-pin connector, red |
| T28e | 28-pin connector, white |
| V80 | Rear fresh air blower |
| 57 | Earth point, left rear pillar |
| 258 | Earth connection -3-, in rear Climatronic wiring harness |
| A1 | Positive (+) connection (30a), in dash panel wiring harness |
| L21 | Connection -1- (30), in Climatronic wiring harness |
| L65 | Positive connection (30) in rear Climatronic wiring harness |
| A | Battery |
| F18 | Radiator fan thermo-switch |
| J126 | Fresh air blower control unit |
| J255 | Climatronic control unit |
| J323 | Blower relay |
| S140 | Front Climatronic fuse, above relay plate |
| S141 | Rear Climatronic fuse, above relay plate |
| S146 | Radiator fan fuse, 1st and 2nd, above relay plate |
| T12 | 12-pin connector, above relay plate |
| T28c | 28-pin connector, red |
| T28d | 28-pin connector, blue |
| V2 | Fresh air blower |
| 13 | Earth point, in engine compartment, right |
| 243 | Earth connection -1-, in Climatronic wiring harness |
| 257 | Earth connection -2-, in Climatronic wiring harness |
| C27 | Positive connection -2- (30), in headlight wiring harness |
| C32 | Connection -4-, in headlight wiring harness |
| L24 | Connection -2- (30), in Climatronic wiring harness |
| F163 | Air conditioner shut-off thermo-switch, centre in engine compartment |
| F165 | Radiator fan thermo-switch, third speed, centre in engine compartment |
| J44 | Magnetic coupling relay, control number (168), left in engine compartment |
| J217 | Automatic gearbox control unit |
| J248 | Diesel direct injection system control unit |
| N25 | Air conditioning system magnetic coupling |
| T2f | 2-pin connector, near compressor |
| T4 | 4-pin connector |
| T8k | 8-pin connector, behind relay plate |
| T68 | 68-pin connector, diesel direct injection system control unit |
| T68a | 68-pin connector, on automatic gearbox control unit |
| 119 | Earth connection -1-, in headlight wiring harness |
| 125 | Earth connection -3-, in headlight wiring harness |
| C22 | Connection (x), in headlight wiring harness |
| C34 | Connection (air conditioner on), in headlight wiring harness |
| C36 | Connection (air conditioner pressure switch) -1- in headlight wiring harness |
| --- | For vehicles with automatic gearbox only |
| F129 | Air conditioner pressure switch, right in engine compartment |
| J29 | Diode, left in engine compartment |
| J104 | ABS with EDL control unit |
| J248 | Diesel direct injection system control unit |
| J317 | Terminal 30 voltage supply relay |
| J397 | Radiator fan run-on relay, control number (53), left in engine compartment |
| S94 | Radiator fan fuse, 3rd speed and magnetic coupling , above relay plate |
| T4d | 4-pin connector |
| T8k | 8-pin connector, behind relay plate |
| T25 | 25-pin connector, on control unit for ABS with EDL |
| T68 | 68-pin connector, diesel direct injection system control unit |
| C22 | Connection (x), in headlight wiring harness |
| C36 | Connection (air conditioner pressure switch) -1- in headlight wiring harness |
| C37 | Connection (air conditioner pressure switch) -2- in headlight wiring harness |
| F25 | Connection -1-, in diesel direct injection system wiring harness |
| A | Battery |
| J26 | Radiator fan relay |
| N39 | Radiator fan series resistor |
| S42 | Radiator fan single fuse, front left in engine compartment |
| T2p | 2-pin connector, on radiator fan |
| T2q | 2-pin connector, on radiator fan |
| T4a | 4-pin connector |
| T4b | 4-pin connector |
| T4c | 4-pin connector |
| V7 | Radiator fan |
| V35 | Coolant fan, right |
| 12 | Earth point, in engine compartment, left |
| 125 | Earth connection -3-, in headlight wiring harness |
| C10 | Positive connection -1- (30), in headlight wiring harness |
| C23 | Connection (bower speed I), in headlight wiring harness |
| C38 | Connection -1- (left radiator fan), in headlight wiring harness |
| C39 | Connection -1- (right radiator fan), in headlight wiring harness |
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