Symptoms - Engine Electrical: Notes

WARNING: This page is about a different car, the 2002 Oldsmobile Intrigue. However, it is still accessible from the selected car via links, so may be relevant.

The following steps must be completed before performing the symptom tests.

Perform DIAGNOSTIC SYSTEM CHECK - ENGINE ELECTRICAL before using the SYMPTOM INDEX table in order to verify that there are no DTCs set and that 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. See DESCRIPTION & OPERATION .