Circuit/System Testing
WARNING: This page is about a different car, the 2008 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 VDAAW module.
- Ignition OFF, check for less than 1.0 ohm of resistance between ground circuit terminal 4 and ground.
- If greater than the specified value, test the ground circuit for a short to voltage or open/high resistance.
- Ignition ON, test for 9-12V, between the B+ circuit terminal 2 and ground.
- If not the specified range, test the control circuit for an open/high resistance.
- If all circuits test normal, test or replace the VDAAW module.