Test Description
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2002 Saturn Vue, 2002 Pontiac Montana, 2002 Pontiac Aztek, 2002 Oldsmobile Silhouette, and 2002 Oldsmobile Bravada. However, it is still accessible from the selected car via links, so may be relevant.
The numbers below refer to step numbers in diagnostic procedure.
- 5
This test will determine ability of PCM and IAC valve circuits to control IAC valve. - 7
This test will determine ability of PCM to provide IAC valve circuits with ground. On a normally operating system, test light should not flash while IAC counts are incrementing.