| E9 | Fresh air blower switch |
| E20 | Switches and instruments - lighting control |
| E35 | Air conditioner switch |
| E159 | Fresh air/air recirculating flap switch |
| K84 | Air conditioning system warning lamp |
| K114 | Fresh air/air recirculation warning lamp |
| L16 | Fresh air controls light bulb |
| N24 | Fresh air blower with overheating fuse series resistor |
| T4a | 4-pin connector, on series resistance |
| T6g | 6-pin connector, on fresh air blower switch |
| T8a | 8-pin connector, on fresh air blower and air recirculation switch, black |
| V2 | Fresh air blower |
| V154 | Fresh/recirculating air flap control motor |
| 135 | Earth connection -2-, in dash panel wiring harness |
| A19 | Connection (58d), in dash panel wiring harness |
| A36 | Connection (75a), in dash panel wiring harness |
| G17 | Ambient temperature sensor |
| J... | Engine control unit |
| J59 | X contact relief relay |
| J285 | Control unit with display in dash panel insert |
| J314 | Air conditioner cut-off control unit (384), on 13 position additional relay carrier |
| N25 | Air conditioning system magnetic coupling |
| S225 | Fuse in fuse box |
| T2a | 2-pin connector |
| T3k | 3-pin connector, grey, connector point left A-pillar |
| T14k | 14-pin connector, black |
| T15k | 15-pin connector, grey, connector point left A-pillar |
| T15s | 15-pin connector, red, on protective housing, on left in engine compartment |
| T32b | 32-pin connector, green, on dash panel insert |
| 135 | Earth connection -2-, in dash panel wiring harness |
| 503 | Screw connection (75x), on relay plate |
| A36 | Connection (75a), in dash panel wiring harness |
| A73 | Connection (ambient temperature display), in dash panel wiring harness |
| A79 | Connection (hot light switch), in dash panel wiring harness |
| E15 | Heated rear window switch |
| F38 | Ambient temperature switch |
| F129 | Air conditioner pressure switch |
| F189 | Tiptronic switch |
| J | Engine control unit |
| J26 | Radiator fan relay |
| J28 | Air conditioner/heater diode |
| T4 | 4-pin connector, front left in engine compartment |
| T14k | 14-pin connector, black |
| T15k | 15-pin connector, grey, connector point left A-pillar |
| T15s | 15-pin connector, red, on protective housing, on left in engine compartment |
| 30 | Earth point -1-, next to relay plate |
| 81 | Earth connection -1-, in dash panel wiring harness |
| 127 | Earth connection -1-, in air conditioner compressor wiring harness |
| 135 | Earth connection -2-, in dash panel wiring harness |
| A64 | Connection (30, rpm boost), in dash panel wiring harness |
| L9 | Connection -1-, in air conditioner wiring harness |
| --- | Only models with automatic gearbox |
| * | Only models without fan control unit |
| ** | Only models with fan control unit |
| F18 | Radiator fan thermo-switch |
| J... | Engine control unit |
| J279 | Radiator fan V7 and V35 relay, 1st speed |
| J280 | Radiator fan V7 relay, 2nd speed |
| J397 | Radiator fan run-on relay (only Diesel) |
| N39 | Radiator fan series resistor |
| S42 | Radiator fan single fuse |
| S102 | Engine control unit fuse (only diesel) |
| S105 | Radiator fan fuse, 1st speed |
| T2b | 2-pin connector, front left in engine compartment |
| T14k | 14-pin connector, black |
| T15k | 15-pin connector, grey, connector point left A-pillar |
| V7 | Radiator fan |
| 127 | Earth connection -1-, in air conditioner compressor wiring harness |
| 151 | Earth connection -1-, in front wiring harness |
| 500 | Screw connection -1- (30), on relay plate |
| 503 | Screw connection (75x), on relay plate |
| A15 | Positive (+) connection (15), in instruments wiring harness |
| L9 | Connection -1-, in air conditioner wiring harness |
| * | Only models with diesel engine |
| ** | Only models with fan control unit |
| C | Alternator |
| F18 | Radiator fan thermo-switch |
| J293 | Radiator fan control unit |
| S42 | Radiator fan single fuse |
| S51 | Radiator fan relay fuse |
| T2p | 2-pin connector |
| T2q | 2-pin connector, in engine compartment, front left |
| T6p | 6-pin connector |
| T14k | 14-pin connector, black |
| T15k | 15-pin connector, grey, connector point left A-pillar |
| V7 | Radiator fan |
| V51 | Continued circulation of coolant pump |
| 151 | Earth connection -1-, in front wiring harness |
| 500 | Screw connection -1- (30), on relay plate |
| A17 | Connection (61), in dash panel wiring harness |
| L10 | Connection -2-, in air conditioner wiring harness |
| L11 | Connection -3-, in air conditioner wiring harness |
| ** | Only models with fan control unit |
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