Diagnostic Aids
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
The following can cause an intermittent condition:
- A short between the IP module high and IP module low control circuits
- An open or high resistance in the IP module high or IP module low control circuits
- A malfunctioning shorting bar on the IP module connector
Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.