Circuit/System Verification
WARNING: This page is about a different car, the 2018 GMC Terrain and 2018 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON.
- Verify the scan tool Rear Closure Ajar Switch parameter changes between Inactive and Active when opening and closing the liftgate.
- If the parameter does not change
Refer to Liftgate Ajar Indicator Malfunction (Without TB5)Liftgate Ajar Indicator Malfunction (With TB5)
- Go to next step: If the parameter changes
- If the parameter does not change
- Verify the rear wiper turns ON and OFF when commanding the Rear Wiper Active and Inactive with a scan tool.
- If the rear wiper does not turn ON and OFF
Refer to Circuit/System Testing
- Go to next step: If the rear wiper turns ON and OFF
- If the rear wiper does not turn ON and OFF
- All OK.