Operation CHARM: Car repair manuals for everyone.
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Combination Switch: Testing and Inspection

MULTI FUNCTION SWITCH

INSPECTION
1. Multi function switch operates head lamps and wiper through LIN 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 you make a diagnosis of multi function switch with the scan tool, select model and "BCM".






4. Select "Current data" and check the Input/Output condition of BCM.