Operation CHARM: Car repair manuals for everyone.

Component Tests and General Diagnostics

1. Key OFF.
2. Disconnect the windshield wiper/washer switch connector.







3. Measure the resistance between terminal 3 and the terminals of the windshield wiper/washer switch listed in the test chart.







4. If the windshield wiper/washer switch fails any of the tests, replace it. Otherwise, return to the pinpoint tests. Pinpoint Tests