Symptoms - Engine Electrical: Notes

WARNING: This page is about a different car, the 2003 Pontiac Montana and 2003 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.

Perform DIAGNOSTIC SYSTEM CHECK - ENGINE ELECTRICAL before using the Symptom List in order to verify that all of the following are true:

There are no DTCs set.
The control modules can communicate via the serial data link.

Review the system descriptions and operations in order to familiarize yourself with the system functions. Refer to one of the following system operations:

See starting system DESCRIPTION & OPERATION .
See charging system DESCRIPTION & OPERATION in CHARGING SYSTEM article.