Component Testing
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 OFF, disconnect the harness connector at the evaporator temperature sensor.
- Measure the resistance between terminal A and terminal B.
- Verify the resistance is within 5 % of the specified readings contained in the Sensor Resistance Table
.
- If not within 5 %
Replace the evaporator air temperature sensor
- If within 5 %
- If not within 5 %
- All OK.