Combination Switch: Testing and Inspection

Inspection

1. Check BCM input/output specification of multifunction switch using the scan tool. If the specification is abnormal, replace the head lamp or wiper switch.
2. If diagnosis is required on the multifunction switch, select model and "BCM"








3. Select "Input/output monitoring".




4. Check the input/output condition of "Lamp switch".








5. Check the input/output condition of "LAMPS".
















6. Check the input/output condition of "WIPER".
















7. Check the input/output condition of "AUTO LIGHT".




8. To check the DTC of the multifunction switch, select "DIAGNOSTIC TROUBLE CODES"