Circuit/System Verification
WARNING: This page is about a different car, the 2008 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
Ignition ON, observe the scan tool Dimming Control Reference voltage. The reading should display battery voltage.
- If less than the specified range, refer to I/P Dimming Control Malfunction .
- If within the specified range, refer to I/P Dimmer Switch Malfunction .