Instructions: Always turn off the headlights and remove the ignition key before starting work on headlights with gas discharge lamps. Automatic headlight range control with gas discharge lamps is equipped with a self-diagnosis function. In the presence of malfunctions, it is necessary to know how the lighting equipment works and how to control it.
Fault recognition and error indication
The automatic headlight range control and the onboard power supply control unit are equipped with a self-diagnosis function that makes it easier to troubleshoot headlights with gas discharge lamps. For troubleshooting, use the tester -VAS 5051 A- in the "Guided Fault Finding".
The following functions, depending on equipment, can be adapted or coded via the onboard supply control unit -J519-:
- Delay time setting (Coming Home mode)
- High beam adaptation with adaptive lighting system
- Delay time setting (Leaving Home mode)
- Rain and light sensor coding
- Headlight cleaner adaptation
- Wiper electronics control unit coding/APS deactivation
- Encoding/decoding daytime running lights
- Adapting the turn-on delay of the adaptive lighting system
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