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Home › Saturn › 2007 › Ion Red Line › Repair and Diagnosis › External Pages › Different car › Section 9 (Lighting Systems) › Diagnostic Information and Procedures › Symptoms - Lighting Systems › Notes

Symptoms - Lighting Systems: Notes

WARNING: This page is about a different car, the 2004 Saturn Ion Red Line, 2004 Saturn Ion 3, 2004 Saturn Ion 2, and 2004 Saturn Ion 1. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: The following steps must be completed before using the symptoms tables.
  1. Perform the Diagnostic System Check - Lighting Systems  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 operation in order to familiarize yourself with the system functions. Refer to the following:
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