| F18 | Radiator fan thermo-switch |
| F54 | Radiator fan thermo-switch |
| F95 | Thermo-switch for continued coolant circulation |
| J293 | Radiator fan control unit |
| S42 | Radiator fan single fuse |
| S198 | Fuse (61) |
| T2ad | 2-pin connector, on radiator fan control unit |
| T2ar | 2-pin connector, green, in engine compartment, front |
| T10p | 10-pin connector, grey, left connector point, A pillar |
| T10ar | 10-pin connector, orange, connector point, electronics box, plenum chamber |
| V7 | Radiator fan (suction fan) |
| V51 | Continued coolant circulation pump |
| V177 | Radiator fan -2- |
| 44 | Earth point, lower part of left A-pillar |
| 83 | Earth connection -1-, in front right wiring harness |
| 127 | Earth connection -1-, in air conditioner compressor wiring harness |
| A17 | Connection (61), in dash panel wiring harness |
| L39 | Connection (air conditioner pressure switch) -1-, in Climatronic wiring harness |
| * | Only models with 2.7 l bi-turbo 195 kW |
| ** | Only models with 2.4 l and 2.8 l Motronic |
| D | Ignition/starter switch |
| E1 | Lighting switch |
| E15 | Heated rear window switch |
| E87 | Control and display unit for air conditioner |
| J126 | Fresh air blower control unit |
| S3 | Fuse in fuse box |
| S4 | Fuse in fuse box |
| S5 | Fuse in fuse box |
| S225 | Fuse in fuse box |
| S226 | Fuse in fuse box |
| T6e | 6-pin connector, blue, left connector point, A pillar |
| T8f | 8-pin connector, brown, in luggage compartment, rear left |
| T10ai | 10-pin connector, purple, left connector point, A pillar |
| V2 | Fresh air blower |
| X | Number plate light |
| Z1 | Heated rear window |
| 135 | Earth connection -2-, in dash panel wiring harness |
| 218 | Earth connection -1- , in tailgate/bootlid wiring harness |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A3 | Positive (+) connection (58), in dash panel wiring harness |
| A65 | Connection (75a, digital air conditioner), in dash panel wiring harness |
| A74 | Connection (15a, fuse 5), in dash panel wiring harness |
| * | Applies to Audi Avant models only |
| ** | Only models with Audi saloons |
| E87 | Control and display unit for air conditioner |
| F129 | Air conditioner pressure switch |
| J218 | Combi-processor in dash panel insert |
| T4c | 4-pin connector, red, in engine compartment, front left |
| T10p | 10-pin connector, blue, left connector point, A pillar |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| 127 | Earth connection -1-, in air conditioner compressor wiring harness |
| 135 | Earth connection -2-, in dash panel wiring harness |
| A4 | Positive (+) connection (58b), in dash panel wiring harness |
| A19 | Connection (58d), in dash panel wiring harness |
| A45 | Connection (engine speed signal), in dash panel wiring harness |
| A60 | Connection (vehicle speed signal), in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| A79 | Connection (hot light switch), in dash panel wiring harness |
| A91 | Connection (signal for dash panel insert), in dash panel wiring harness |
| * | Applicable for 1999 model year only |
| ** | Applicable from model year 2000 |
| *** | Only models with 2.7 l bi-turbo 195 kW |
| **** | Only models with 2.4 l and 2.8 l Motronic |
| E87 | Control and display unit for air conditioner |
| G92 | Control motor potentiometer, temperature flap |
| G112 | Control motor potentiometer, central flap |
| G113 | Control motor potentiometer, air flow flap |
| G114 | Control motor potentiometer, footwell/defroster flap |
| J220 | Motronic control unit |
| T15m | 15-pin connector, red, connector point, electronics box, plenum chamber |
| V68 | Temperature flap control motor |
| V70 | Central flap control motor |
| V71 | Air flow flap control motor |
| V85 | Footwell/defroster flap control motor |
| A58 | Connection (5 volt), in dash panel wiring harness |
| A67 | Connection (normal earth, digital air conditioner), in dash panel wiring harness |
| A100 | Connection -2- (87), in dash panel wiring harness |
| E22 | Intermittent wiper switch |
| E87 | Control and display unit for air conditioner |
| G17 | Ambient temperature sensor |
| G89 | Fresh air intake duct temperature sensor |
| G107 | Sunlight penetration photo sensor |
| G191 | Vent temperature sender, centre |
| G192 | Vent temperature sender, footwell |
| J44 | Magnetic coupling relay |
| J189 | Auto-check system |
| N25 | Air conditioning system magnetic coupling |
| T1d | Single connector, green, near compressor |
| T10p | 10-pin connector, grey, left connector point, A pillar |
| T10ad | 10-pin connector, red, left connector point, A pillar |
| A67 | Connection (normal earth, digital air conditioner), in dash panel wiring harness |
| A73 | Connection (ambient temperature display), in dash panel wiring harness |
| A97 | Connection (53), in dash panel wiring harness |
| * | Fit at any vacant relay point |
| ** | Only models with driver information system |
