Symptoms - Engine Electrical: Notes

The following steps must be completed before using the symptom tables.

1. Perform DIAGNOSTIC SYSTEM CHECK - ENGINE ELECTRICAL  before using the Symptom Tables 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.
2. Review the system descriptions and operations in order to familiarize yourself with the system functions. See DESCRIPTION & OPERATION .