Circuit/System Testing
WARNING: This page is about a different car, the 2007 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, disconnect the harness connector at the inside rearview mirror.
- Test for infinite resistance between terminal 12 and 11.
- If resistance less than the specified value, replace the rearview mirror.
- If all circuits test normal, replace the VCIM