Circuit/System Verification

WARNING: This page is about a different car, the 2007 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, see below I/P Dimming Control Malfunction.
- If within the specified range, see below I/P Dimmer Switch Malfunction.