| E91 | Function selection switch |
| E92 | Reset button |
| F77 | Windscreen washer fluid warning contact |
| J189 | Auto-check system |
| J220 | Motronic control unit |
| J248 | Diesel direct injection system control unit |
| R | Radio |
| T6x | 6-pin connector, green, radio connector I-2 |
| T10a | 10-pin connector, pink, connector point, A pillar, left |
| T10b | 10-pin connector, red, connector point, A pillar, left |
| T10o | 10-pin connector, brown, connector point, electronics box, plenum chamber |
| T10x | 10-pin connector, pink, connector point, A pillar, right |
| T20 | 20-pin connector, red/white, on dash panel insert |
| 81 | Earth connection -1-, in dash panel wiring harness |
| 135 | Earth connection -2-, in dash panel wiring harness |
| 199 | Earth connection -3-, in dash panel wiring harness |
| 269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
| * | Models with petrol engines |
| ** | Models with diesel engines |
| *** | Both possible |
| D | Ignition/starter switch |
| E87 | Control and display unit for air conditioner |
| G17 | Ambient temperature sensor |
| J123 | Bulb monitoring device |
| J189 | Auto-check system |
| J217 | Automatic gearbox control unit |
| J248 | Diesel direct injection system control unit |
| S5 | Fuse in fuse box |
| T10b | 10-pin connector, red, connector point, A pillar, left |
| T15r | 15-pin connector, brown, connector point, right A pillar |
| T15u | 15-pin connector, red, connector point, electronics box, plenum chamber |
| T20 | 20-pin connector, red/white, on dash panel insert |
| 112 | Earth connection -2-, in air conditioner wiring harness |
| 135 | Earth connection -2-, in dash panel wiring harness |
| 199 | Earth connection -3-, in dash panel wiring harness |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A20 | Positive (+) connection (15a), in dash panel wiring harness |
| A73 | Connection (ambient temperature display), in dash panel wiring harness |
| * | Models with automatic gearbox |
| ** | Models with automatic gearbox 01N |
| *** | Models with automatic gearbox 01V |
| **** | Both possible |
| # | Models without air conditioner |
| ## | Models with air conditioner |
| ### | Models with 6-cylinder TDI engines, AFB, AKN |
| E1 | Lighting switch |
| J123 | Bulb monitoring device |
| M1 | Side light bulb, left |
| M3 | Side light bulb, right |
| M29 | Dipped beam bulb, left |
| M31 | Dipped beam bulb, right |
| S20 | Fuse in fuse box |
| S21 | Fuse in fuse box |
| T6k | 6-pin connector, pink, connector point, A pillar, right |
| T10a | 10-pin connector, pink, connector point, A pillar, left |
| T10b | 10-pin connector, red, connector point, A pillar, left |
| T10an | 10-pin connector, on headlight, left |
| T10ao | 10-pin connector, on headlight, right |
| V48 | Headlight range control motor, left |
| V49 | Headlight range control motor, right |
| 176 | Earth connection, in right headlight wiring harness |
| 179 | Earth connection, in left headlight wiring harness |
| A51 | Connection (56), in dash panel wiring harness |
| E1 | Lighting switch |
| F | Brake light switch |
| J123 | Bulb monitoring device |
| M2 | Tail light bulb, right |
| M4 | Tail light bulb, left |
| M9 | Brake light bulb, left |
| M10 | Brake light bulb, right |
| M25 | High level brake light bulb |
| S22 | Fuse in fuse box |
| S223 | Fuse in fuse box |
| T1a | Single connector, brown, connector point left A pillar |
| T1b | Single connector, black, connector point, left A pillar |
| T6a | 6-pin connector, blue, connector point, A pillar, left |
| T10f | 10-pin connector, brown, connector point, A pillar, left |
| U10 | Trailer socket |
| 86 | Earth connection -1-, in rear wiring harness |
| A18 | Connection (54), in dash panel wiring harness |
| A43 | Connection (57L), in dash panel wiring harness |
| A44 | Connection (57R), in dash panel wiring harness |
| * | Models with trailer coupling |
