Multi Function Switch: Inspection: Overview

Multi function switch operates head lamps and wiper through LIN communication with BCM.
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.
If diagnosis is required on the multi function switch, select "SEDONA" and "BCM".

Fig 1: Identifying Scan Tool Display - Body Control Module
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Select "In panel Module".

Fig 2: Identifying Scan Tool Display - In Panel Module
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Select "Current data" and check the input/output condition of BCM.

Fig 3: Identifying Scan Tool Display - Current Data
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Fig 4: Identifying Scan Tool Display - Auto Head Lamp
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