Headlamp Switch: Testing and Inspection

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 "Input/Output monitoring" and "Lamp switch". Check auto light & wiper value.








5. Check input/output value of auto light.