Windshield Wiper/Washer Switch: Inspection: Overview

Multifunction switch operates head lamps and wiper by communicating with BCM through LIN communication.
Check BCM input/output value of each position of multifunction switch when you inspect the module whether faulty or not.
Select model and BCM menu.

Fig 1: Scan Tool Display - BODY CONTROL MODULE
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Select "Current data" and wiper.

Fig 2: Scan Tool Display - CURRENT DATA
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Check input/output value of washer & wiper switch.

Fig 3: Scan Tool Display - FRONT WASHER SWITCH
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