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Diagnostic Procedures

WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform diagnostic system check - engine controls. See DIAGNOSTIC SYSTEM CHECK - ENGINE CONTROLS  under SELF-DIAGNOSTIC SYSTEM. After performing diagnostic system check - engine controls, go to next step.
  2. Inspect for a loose or broken vehicle accessory and/or accessory bracket. If a condition is found, repair as necessary. Did you find and correct the condition? If yes, go to step  4. If no, go to next step.
  3. Start engine. Inspect for excessive engine mechanical noise. If a condition is found, repair as necessary. Did you find and correct the condition? If yes, go to next step. If no, see DETONATION/SPARK KNOCK in TROUBLE SHOOTING - NO CODES - 2.2L & 3.0L VUE article.
  4. Using scan tool, clear DTCs. Turn ignition off for 30 seconds. Operate vehicle within the conditions for running the DTC. See CONDITIONS FOR RUNNING DTC . You may also operate vehicle within the conditions observed from the Freeze Frame/Failure Records. Did the DTC fail this ignition? If yes, go to step  2. If no, go to next step.
  5. With a scan tool, observe the stored information, Capture Info. Does the scan tool display any DTCs that you have not diagnosed? If yes, see DIAGNOSTIC TROUBLE CODE DEFINITIONS . If no, system is okay.
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