SZL: Steering column switch cluster
Depending on the series, the steering column switch cluster is a control unit (e.g. F10) or is no longer a control unit (e.g. F15). The steering column switch cluster features one steering column switch each on the left and right sides. The right-hand steering column switch is designed for operating the functions of the wash/wipe system. The steering column switch on the left side of the steering column controls the high-beam headlight and turn indicators as well as operation of the on-board computer. The signals are made available by the steering column switch cluster via the FlexRay or the LIN bus.
The steering column switch cluster transmits the following requests to the footwell module (FRM) or the Body Domain Controller (BDC) to control the LED headlight:
- Turn indicator light
- Parking light
- High-beam headlight
- High-beam assistant
- Headlight flasher
| Item | Explanation |
|---|---|
| 1 | Turn signal/high beam switch |
| 2 | Plug connection to the ignition squibs of the airbag |
| 3 | Plug connection for horn switch, multifunction buttons and steering wheel module |
| 4 | Wash/wipe switch |
| 5 | Plug connection, vibration actuator (voltage supply) |
| 6 | Driver |
| 7 | Stop bolt, steering column switch cluster |