Circuit/System Testing
WARNING: This page is about a different car, the 2008 Chevrolet Malibu Classic. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect the Dome/Reading Lamp assembly terminal B.
- Connect a test lamp between the courtesy lamp control circuit terminal B of the Dome/Reading Lamps and ground.
- If the test lamp illuminates, locate and repair a short to voltage in the courtesy lamp control circuit.
- If the test lamp does not illuminate, locate and repair a short to ground in the courtesy lamp control circuit.
- If circuits test OK, replace the BCM.