Inspection Procedure 7

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 (5.9 inches).

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.Determine a trouble spot.

Q: Which type of the power window is installed on vehicle?
Vehicles with auto down and auto up mechanism (driver's side seat): Go to Step 2.
Vehicles with auto down and auto up mechanism (except driver's side seat) or Vehicles with auto down mechanism : Go to Step 3.

STEP 2.Check the power window anti-trap function.

Check that the power window anti-trap function works.

Q: Is the check result normal?

YES : Go to Step 3.

NO : Refer to inspection procedure 6 "Power window anti-trap function does not work normally."

STEP 3.Check that the door window glasses are installed correctly.

Check that the door window glasses are installed correctly.

Q: Is the check result normal?

YES : Go to Step 4.

NO : Adjust the door window glass.

STEP 4.Retest the system.

Check that the power window does not lower while it is being raised.

Q: Is the check result normal?

YES : No action is necessary and testing is complete.

NO : Replace the power window motor of the defective window.