Test Description
WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. 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 the PCM's ability to correctly read the signal voltage.
5. Tests for a short on the cruise engaged input circuit.
8. This vehicle is equipped with a PCM which utilizes an Electrically erasable Programmable Read Only Memory (EEPROM). When the PCM is replaced, the new PCM must be programmed.