Circuit/System Verification
WARNING: This page is about a different car, the 2006 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.
- Position the steering wheel to the straight-ahead, centered, position.
- Install a scan tool, ignition ON, engine OFF. View the SWPS Signal A and SWPS Signal B parameters in the VSES Data display. One of the signals should be approximately 2.5 volts and the other should be approximately 0 volt.
- As the steering wheel is turned, each signal should travel smoothly between 0 and 5 volts.