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Home >> Mitsubishi >> 2014 >> Lancer ES Sportback >> Repair and Diagnosis >> External Pages >> Different car >> Section 29 (Body - Lancer Evolution) >> Sunroof >> Specification(S) >> Diagnostic Trouble Code Procedures >> CODE NO. L0640 S/R Over load >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2008 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.
  1. STEP 1. Check the sunroof fully closed position 
    1. Carry out the learning procedures of the sunroof fully closed position. Refer to LEARNING PROCEDURES OF THE SUNROOF FULLY CLOSED POSITION  .
    2. 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 check result normal? 

    YES  : The procedure is complete.

    NO  : Go to Step 2.

  2. STEP 2. 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.