Circuit/System Verification
WARNING: This page is about a different car, the 2008 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
Ignition ON with the headlamp switch in the Auto position, observe the scan tool Exterior Lighting parameters listed below. All parameters should be Inactive.
- Auto Hdlp. Disable Sw.
- Headlamp Switch
- Parklamp Switch