Wiper Switch: Testing and Inspection

WINDSHIELD WIPER/WASHER SWITCH




INSPECTION

FRONT WIPER WASHER
Check for continuity between the terminals.
1. There should be continuity between the No.1 and No.10 terminals when power and ground are connected to the No.1 and No 7 in the ICM-A.
2. There should be no continuity between the No 1 and No. 10 terminals when power is disconnected.

FRONT WIPER
Check for continuity between the terminals.
1. There should be continuity between the No. 2 and No. 3 terminals when power and ground are connected to the No. 1 and No. 9 terminals in the ICM-A.
2. There should be no continuity between the No. 2 and No. 3 terminals when power is disconnected.

WINDSHIELD WIPER/WASHER SWITCH INSPECTION
1. Multifunction switch operates head lamps and wiper by communicating with BCM through LIN communication.
2. Check BCM input/output value of each position of WIPER/WASHER switch when you inspect the module whether faulty or not.




3. Select model and BCM menu.







4. Select "Current data" and wiper.




5. Check input/output value of washer & wiper switch.