Circuit/System Verification
WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
- Verify there are no wiper or communication related DTCs set in the K9 Body Control Module or the K219 Lighting Control Module.
- If there are any DTCs set
- Go to next step: If there are no DTCs set
- Verify the Windshield Wiper Switch scan tool parameter changes to Off, Delay 1 - 5, Low, and High when operating the S82 Windshield Wiper/Washer Switch through all switch positions.
- If the parameter changes, but not to all states
Replace the S82 Windshield Wiper/Washer Switch
- If the parameter does not change
Refer to Circuit/System Testing - Windshield Wiper Switch Malfunction
- Go to next step: If the parameter changes to all states
- If the parameter changes, but not to all states
- Verify the M75 Windshield Wiper Motor operates when cycling the S82 Windshield Wiper/Washer Switch through all switch positions.
- If the M75 Windshield Wiper Motor does not operate
Refer to Circuit/System Testing - Windshield Wiper Motor Malfunction
- Go to next step: If the M75 Windshield Wiper Motor operates
- If the M75 Windshield Wiper Motor does not operate
- A fault is not currently present and may be an intermittent condition.