Circuit/System Verification
WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON, observe the scan tool headlamp switch parameter while turning the headlamp switch ON and OFF. The reading should toggle between ACTIVE and INACTIVE.
- If the reading does not change between the commanded states, refer to Headlamp Switch Malfunction .
- Observe the scan tool flash to pass switch parameter while applying and releasing the flash to pass switch. The reading should toggle between ACTIVE and INACTIVE.
- If the reading does not change between the commanded states, refer to Headlamp Switch Malfunction .
- Observe the scan tool high beam select switch parameter while applying and releasing the high beam select switch. The reading should toggle between ACTIVE and INACTIVE.
- If the reading does not change between the commanded states, refer to Headlamp Switch Malfunction .