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Home >> Mitsubishi >> 2010 >> Lancer ES, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 86 (Sunroof - Lancer Evolution) >> Diagnostic Trouble Code Procedures >> CODE NO. L0634: S/R Sensor Signal >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2012 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.

Diagnostic trouble code recheck 

Recheck if the diagnostic trouble code is set.

  1. Erase the diagnostic trouble code.
  2. Turn the ignition switch from the LOCK (OFF) position to the ON position.
  3. Check if the diagnostic trouble code is set.

    Q: Is the diagnostic trouble code set? 

    • YES:  Replace the sunroof motor assembly.
    • NO:  The procedure is complete.
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