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 Rear Defog Relay ON and OFF with a scan tool. The rear window defogger and rear window defogger indicator should turn ON and OFF when changing between the commanded states.
- If the DTC sets on the automatic HVAC system RPO C68, refer to Automatic HVAC .
- If the DTC sets on the manual HVAC system RPO C60, refer to Manual HVAC .