Circuit/System Verification
WARNING: This page is about a different car, the 2011 Chevrolet Cruze. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON, observe the scan tool Indicator LED Backlight Dimming Command parameter while operating the dimmer switch from high to low. The parameter should indicate between 5-50% when the backlight switch is moved up and down.
- If the reading does not change, refer to Dimmer Switch Circuit Test in Circuit/System Testing .
- Command the LED Backlight Dimming test with the scan tool. The appropriate incandescent lighting items should go ON and OFF.
- If the backlighting does not go ON and OFF, refer to Interior Backlighting Circuit Test in Circuit/System Testing .