How It Works : Notes
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The range of functions of the light switch cluster includes the following tasks:
- Control and monitoring of the headlights and lamps on the exterior of the vehicle
- Control and monitoring of the direction indicating and hazard warning flasher function
- Dimmer for the instrument and locating lighting (terminal 58g) and the function and locating lighting for the hazard-warning switch
- Evaluation of messages from the rain-light sensor for the automatic driving lights control and for the adaptive headlights
- Communication with the trailer module, if fitted
- Control of the green indicator lamp for the adaptive headlights
- Data exchange via the K bus (see below for detailed description)
- Data management for diagnostics and monitoring (see below for detailed description)
- With option 522 "bi-xenon dipped/main beam headlights", the light switch cluster evaluates faults in the bi-xenon headlights.