Brake light switch; Central control unit for comfort systems
| F | Brake light switch |
| J255 | climatronic control unit |
| J393 | Central control unit for comfort systems |
| J623 | Engine control unit |
| T4k | 4-pin connector |
| T12u | 12-pin connector, brown |
| T17e | Connector, 17-pin, in the junction box of the left A-pillar |
| T17r | Connector, 17-pin, in the junction block |
| T20e | Connector, 20-pin |
| T32d | Connector, 32-pin |
| B146 | Positive connection 1 (87) in the passenger compartment wiring harness |
| B335 | Connection 1 (54) in the main wiring harness |
* - see the current electrical circuit diagram for the engine.
*2 - Brake light sensor coil.
*3 - see the current electrical circuit diagram for the air conditioning system.
- ws = white
- sw = black
- ro = red
- rt = red
- br = brown
- gn = green
- bl = blue
- gr = gray
- li = purple
- vi = purple
- ge = yellow
- or = orange
- rs = pink
[The text is based on materials from the website: AUDIMANUAL]