Component Testing
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 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 seat belt switch.
- With the seat belt buckled, test for infinite resistance between the signal circuit terminal A X1 and the low reference terminal B X1.
- If not the specified range, replace the seat belt switch.
- With the seat belt unbuckled, test for less than 2 ohms between the signal circuit terminal A X1 and the low reference terminal B X1.
- If greater than the specified range, replace the seat belt switch.