Conditions For Setting DTC
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.
- Actual engine speed is 150 RPM more than the desired engine speed for more than 8 seconds for each test.
- PCM detects the IAC test failed 4 consecutive times per ignition cycle.
- Vehicle must enter the above criteria and leave the criteria for one second in order to complete one test.