Circuit/System Verification
WARNING: This page is about a different car, the 2006 Chevrolet Monte Carlo and 2006 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON, observe the scan tool Auto Hdlp. Disable Sw. parameter while cycling the headlamp switch between the Auto and Off positions. The parameter should cycle between Active and Inactive.
- If the parameter does not cycle between the specified values, refer to Headlamp Switch Malfunction .
- Observe the scan tool Headlamp Switch parameter while cycling the headlamp switch between the Auto and Head position. The parameter should cycle between Active and Inactive.
- If the parameter does not cycle between the specified values, refer to Headlamp Switch Malfunction .
- With the headlamps ON, observe the scan tool Flash to Pass Switch parameter while pulling and releasing the flash to pass switch. The parameter should cycle between Active and Inactive.
- If the parameter does not cycle between the specified values, refer to Turn Signal/Multifunction Switch Malfunction .
- With the headlamps ON, observe the scan tool High Beam Select Switch parameter while switching the headlamp dimmer switch between the low and high beam positions. The parameter should cycle between Active and Inactive.
- If the parameter does not cycle between the specified values, refer to Turn Signal/Multifunction Switch Malfunction .
- Command the Low Beams ON and OFF with a scan tool. Verify the low beam headlamps turn ON and OFF.
- If the low beam headlamps do not cycle between the commanded states, refer to Low Beam Headlamp Malfunction .
- Command the High Beams ON and OFF with a scan tool. Verify the low beam headlamps turn ON and OFF.
- If the high beam headlamps do not cycle between the commanded states, refer to High Beam Headlamp Malfunction .