Circuit/System Verification
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON
- Verify the scan tool A/C Evaporator Temperature Sensor parameter is between-35°C (-39°F) and 85°C (185°F) and changes with evaporator air temperature changes.
- If not between -35°C (-39°F) and 85°C (185°F) or does not change
Refer to Circuit/System Testing
- If between -35°C (-39°F) and 85°C (185°F) changes
- If not between -35°C (-39°F) and 85°C (185°F) or does not change
- All OK