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Home >> Mitsubishi >> 2014 >> Lancer ES Sportback >> Repair and Diagnosis >> Body & Frame >> Windows >> Door & Window - With Diagnostics - Lancer >> Symptom Procedures < Power Window > >> INSPECTION PROCEDURE 6: Power Window Anti-trap Function does not work Normally. < Driver's side only > >> Diagnostic Procedure

Diagnostic Procedure

Required Special Tools: 

  1. STEP 1. Using scan tool MB991958, read the diagnostic trouble code. 
    CAUTION: To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958.
    1. Connect scan tool MB991958. Refer to "HOW TO CONNECT THE SCAN TOOL (M.U.T.-III) ."
    2. Turn the ignition switch to the "ON" position.
    3. Check whether the power window main switch related DTC is set.
    4. Turn the ignition switch to the "LOCK" (OFF) position.

    Q: Is the DTC set? 

    1. YES:  Diagnose the power window main switch. Refer to DIAGNOSTIC TROUBLE CODE CHART  .
    2. NO:  Go to Step 2.
      Fig 1: Checking Signals Related To Central Door Locking System Operation
      G05374606
  2. STEP 2. Check the power window operating current. 

    Check that the power window operating current is normal (Refer to POWER WINDOW SAFETY MECHANISM CHECK < DRIVER'S SIDE ONLY >  ).

    Q: Is the power window operating current normal? 

    1. YES:  Door window glass adjustment (Refer to DOOR WINDOW GLASS ADJUSTMENT  ). Then go to Step 3.
    2. NO:  Replace the power window motor. Verify that the power window anti-trap function works normally.
  3. STEP 3. Confirm the power window learning function. 

    Check that the power window switch has learned the fully closed position of the windows.

    Q: Is the power window learning function normal? 

    1. YES:  Go to Step 4.
    2. NO:  Make the power window switch learn the fully closed position of the windows (Refer to LEARNING PROCEDURES OF THE POWER WINDOW FULLY CLOSED POSITION < DRIVER'S SIDE ONLY >  ). Verify that the power window anti-trap function works normally.
  4. STEP 4. Check power window main switch connector E-28, front power window motor (LH) connector E-14 for loose, corroded or damaged terminals, or terminals pushed back in the connector. 

    Q: Are power window main switch connector E-28, front power window motor (LH) connector E-14 in good condition? 

    1. YES:  Go to Step 5.
    2. NO:  Repair or replace the damaged component(s). Refer to HARNESS CONNECTOR INSPECTION . Verify that the power window anti-trap function works normally.
  5. STEP 5. Check the wiring harness between power window main switch connector E-28 (terminals 8, 9, 11, 12) and front power window motor (LH) connector E-14 (terminals 3, 5, 2, 6). 
    • Check the signal line for open circuit and short circuit.

    Q: Is the wiring harness between power window main switch connector E-28 (terminals 8, 9, 11, 12) and front power window motor (LH) connector E-14 (terminals 3, 5, 2, 6) in good condition? 

    1. YES:  Go to Step 6.
    2. NO:  The wiring harness may be damaged or the connector(s) may have loose, corroded or damaged terminals, or terminals pushed back in the connector. Repair the wiring harness as necessary. Verify that the power window anti-trap function works normally.
  6. STEP 6. Retest the system. 

    Check that the power window anti-trap function works normally.

    Q: Is the power window anti-trap function normal? 

    1. YES:  No action is necessary and testing is complete.
    2. NO:  Replace the front power window motor (LH). Verify that the power window anti-trap function works normally.
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