| E9 | Fresh air blower switch |
| E20 | Switch and instrument illumination regulator |
| E35 | Air conditioning system switch |
| E159 | Fresh air/air recirculation flap switch |
| K84 | Air conditioning system warning lamp |
| K114 | Fresh air and air recirculation warning lamp |
| L16 | Fresh air regulator illumination bulb |
| N24 | Fresh air blower series resistor with overheating fuse |
| T4a | 4-pin connector, on series resistor |
| T6g | 6-pin connector, on fresh air blower switch |
| T8a | 8-pin connector, black, on fresh air blower and air recirculation switch |
| V2 | Fresh air blower |
| V154 | Fresh air/recirculated 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 |
| * | With no solar roof |
| ** | With solar roof |
| G17 | Ambient temperature sensor |
| J... | Engine control unit |
| J59 | X-contact relief relay |
| J285 | Display control unit in dash panel insert |
| J314 | Air conditioning system control unit - switch-off (384), on 13 position additional relay carrier |
| N25 | Air conditioning system magnetic clutch |
| S225 | Fuse in fuse holder |
| T1g | 1-pin connector, green |
| T2a | 2-pin connector |
| T3k | 3-pin connector, grey, left A-pillar coupling station |
| T14k | 14-pin connector, black |
| T15k | 15-pin connector, grey, left A-pillar coupling station |
| T15s | 15-pin connector, red, on protective housing on left in engine compartment |
| T32a | 32-pin connector, blue, on dash panel insert |
| T32b | 32-pin connector, green, on dash panel insert |
| 135 | Earth connection (sender earth) 1, in dash panel wiring harness |
| 269 | 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 conditioning system pressure switch |
| F189 | Tiptronic switch |
| J | Engine control unit |
| J26 | Radiator fan relay |
| J28 | Air conditioning system and heater blocking diode, near blower regulator |
| T4 | 4-pin connector, front left in engine compartment |
| T14k | 14-pin connector, black |
| T15k | 15-pin connector, grey, left A-pillar coupling station |
| 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 conditioning system compressor wiring harness |
| 135 | Earth connection 2, in dash panel wiring harness |
| A64 | Connection (30, speed boost), in dash panel wiring harness |
| L9 | Connection 1, in air conditioning system wiring harness |
| --- | Only models with automatic gearbox |
| F18 | Thermal switch for radiator fan |
| 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 models with diesel engine) |
| N39 | Radiator fan series resistor, under left longitudinal member |
| S42 | Radiator fan single fuse |
| S102 | Engine control unit fuse (only models with diesel engine) |
| S105 | Radiator fan fuse for 1st speed |
| T2b | 2-pin connector, front left in engine compartment |
| T15k | 15-pin connector, grey, left A-pillar coupling station |
| V7 | Radiator fan |
| 127 | Earth connection 1, in air conditioning system compressor wiring harness |
| 500 | Screw connection 1 (30), on relay plate |
| 503 | Screw connection (75x), on relay plate |
| A15 | Positive connection (58b), in rear lid wiring harness |
| L9 | Connection 1, in air conditioning system wiring harness |
| * | Only models with diesel engine |
| ** | Not for engine code ALT |
| -- | Only for engine code ALT |
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