Operation CHARM: Car repair manuals for everyone.

Headlamp Switch: Testing and Inspection

Auto Light Switch

INSPECTION
1. Multifunction switch operates head lamps and wiper by communicating with BCM through LIN communication.
2. Check BCM input/output value of each position of multifunction switch when you inspect the module whether faulty or not.







3. Select model and BCM menu.




4. Select "Current data" and wiper. Check auto light & wiper value.




5. Check input/output value of auto light.