Starting System Diagnosis: Symptoms: Notes
WARNING: This page is about a different car, the 2003 Saturn Ion 3, 2003 Saturn Ion 2, and 2003 Saturn Ion 1. 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. See DESCRIPTION & OPERATION .