Circuit/System Testing
WARNING: This page is about a different car, the 2008 Pontiac Torrent and 2008 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, disconnect the harness connector of the yaw rate sensor.
- Ignition ON, with a scan tool attempt to retrieve data from the steering wheel angle sensor in Chassis/Electronic Brake Control Module. Data should be available.
- If data is not available, test the serial data circuits for a short to ground or a short to voltage. If the circuits test normal, replace the steering wheel angle sensor.
- Replace the yaw rate sensor.