Combination Switch: Testing and Inspection

INSPECTION
1. Multifunction switch operates head lamps and wiper through LAN communication with BCM.
2. Check BCM input/output specification of multi function switch using the scan tool. If the specification is abnormal, replace the head lamp or wiper switch.




3. If diagnosis is required on the multi function switch, select "SEDONA" and "BCM"




4. Select "In panel Module"







5. Select "Current data" and check the input/output condition of BCM.

LIGHTING SWITCH INSPECTION







With the multi function switch in each position, make sure that continuity exists between the terminals. If continuity is not as specified, replace the multifunction switch.

WIPER AND WASHER SWITCH INSPECTION




With the multi function switch in each position, make sure that continuity exists between the terminals. If continuity is not as specified, replace the multi-function switch.