Circuit/System Verification
WARNING: This page is about a different car, the 2010 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON, command the Parking Lamps ON and OFF with a scan tool. The park lamps should turn ON and OFF when changing between the commanded states.
- If the park lamps do not illuminate when commanded, refer to Park, License, and/or Tail Lamps Malfunction .
- Ignition ON, observe the scan tool I/P Dimmer Switch parameter while operating the dimmer switch from high to low. The voltage parameter should change as the switch is activated.
- If the parameter does not change, refer to I/P Dimmer Switch Malfunction .
- Park lamps ON, with a scan tool, perform the Interior Dimming test. The interior backlighting should illuminate from high to low for all components controlled by the indicator dimming control circuit.
- If the backlighting does not operate as described, refer to Interior Backlighting Malfunction .