Rear Defog Switch
- Ignition OFF, disconnect the harness connector C2 at the HVAC control assembly
- Test for infinite resistance between the signal terminal J and the ground circuit terminal K with the switch in the open position.
- If not the specified value, replace the HVAC control assembly.
- Test for less the 2.0 ohms between the signal terminal J and the ground circuit terminal K with the switch in the closed position.
- If greater than the specified range, replace the HVAC control assembly