Circuit/System Verification
WARNING: This page is about a different car, the 2008 Cadillac DTS. 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.
- Ignition ON, observe the SWPS Signal A and SWPS Signal B in EBCM scan tool data display. One of the signals should be approximately 2.5 volts and the other circuit should be approximately 0 volts.
- As the steering wheel is turned, each signal should travel smoothly between 0 and 5 volts.