Component Testing
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2010 GMC Yukon XL, 2010 GMC Yukon, 2010 Chevrolet Tahoe, 2010 Chevrolet Suburban, and 2010 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Hood Ajar Switch
- Ignition OFF, disconnect the harness connector at the hood ajar switch.
- With the switch in the hood closed position, test for infinite resistance between the ground terminal C and the signal terminal A.
- If not infinite, replace the hood ajar switch.
- Test for less than 2.0 ohms between the ground terminal C and the signal terminal B.
- If greater than the specified range, replace the hood ajar switch.
- With the switch in the hood open position, test for infinite resistance between the ground terminal C and the signal terminal B.
- If not infinite, replace the hood ajar switch.
- Test for less than 2.0 ohms between the ground terminal C and the signal terminal A.
- If greater than the specified range, replace the hood ajar switch.