Test Description
WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
The numbers below refer to the step numbers on the diagnostic table
- 3. Tests for the proper operation of the complete circuit.
- 4. Tests for the proper operation of the signal input circuit.
Courtesy of GENERAL MOTORS CORP.