INSPECTION PROCEDURE 7: The window glass lowers automatically while it is rising.


COMMENTS ON TROUBLE SYMPTOM
If the sliding resistance is too great when the window is being raised or the window glass encounters an object, the window glass will lower by approximately 150 mm.

PROBABLE CAUSES

  • Improper adjusted door window glass
  • Incorrectly installed or warped glass slider
  • Malfunction of the power window motor
  • Malfunction of the window regulator

DIAGNOSTIC PROCEDURE

STEP 1. M.U.T.-III diagnosis code
Check that the power window switches sets a diagnosis code.

Q. Is the diagnosis code set?
Refer to diagnosis code chart .
Go to Step 2.

STEP 2. Check that the door window glasses are installed correctly.
Check that the door window glasses are installed correctly. Refer to .

Q. Is the check result normal?
Go to Step 3.
Adjust the door window glass. (Refer to .)

STEP 3. Retest the system.
Check that the power window does not lower while it is being raised.

Q. Is the check result normal?
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction .)
Replace the power window motor of the defective window.