Circuit/System Verification
WARNING: This page is about a different car, the 2007 Pontiac Solstice. 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, and view SWPS signal A and SWPS signal B One of the signals should be approximately 2.5 volts and the other should be approximately 0 volts.
- As the steering wheel is turned, each signal should travel smoothly between 0 and 5 volts.