Circuit/System Verification
WARNING: This page is about a different car, the 2008 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
- Position the steering wheel centered and the wheels facing straight-ahead.
- Engine running, observe the scan tool SWPS Signal A and SWPS Signal B parameters. Turning the steering wheel the readings should travel between 0 and 5 volts and their should be approximately a 2.5 volts difference between each signal.