Component Testing
WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
Windshield Washer Switch
- Ignition OFF, disconnect the harness connector at the S82 Windshield Wiper/Washer Switch.
- Test for infinite resistance between the signal terminal 5 and the low reference terminal 2 with the switch in the open position.
- If less than infinite resistance
Replace the S82 Windshield Wiper/Washer Switch.
- Go to next step: If infinite resistance
- If less than infinite resistance
- Test for less than 2 Ω between the signal circuit terminal 5 and the low reference circuit terminal 2 with the switch in the closed position.
- If 2 Ω or greater
Replace the S82 Windshield Wiper/Washer Switch.
- Go to next step: If less than 2 Ω
- If 2 Ω or greater
- All OK
Windshield Washer Pump
- Ignition OFF, disconnect the harness connector at the G24 Windshield Washer Pump.
- Install a 20 A fused jumper wire between one of the control terminals and 12 V. Momentarily install a jumper wire between the other control terminal and ground. Reverse the jumper wires at least two times.
- Verify the G24 Windshield Washer Pump activates.
- If the G24 Windshield Washer Pump does not activate.
Replace the G24 Windshield Washer Pump.
- Go to next step: If the G24 Windshield Washer Pump does activate.
- If the G24 Windshield Washer Pump does not activate.
- All OK