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Power Window Regulator Motor: Inspection

  1. INSPECT POWER WINDOW REGULATOR MOTOR ASSEMBLY 
    1. Inspect the regulator motor operation.

      HINT:

      • The driver's side and rear RH regulator motors should be inspected in the same procedure.
      • The passenger's side and rear LH regulator motors should be inspected in the same procedure.
      1. Check that the motor operates smoothly when battery positive voltage is applied to each terminal of the connector.

        Standard: 

        Driver's side and rear RH side 

        MEASUREMENT CONNECTION AND SPECIFIED CONDITION REFERENCE (DRIVER'S SIDE AND REAR RH SIDE)

        Measurement Condition Specified Condition
        Battery positive (+) --> Terminal 4
        Battery negative (-) --> Terminal 5        		 Clockwise toward driving axis
        Battery positive (+) --> Terminal 5
        Battery negative (-) --> Terminal 4        		 Counterclockwise toward driving axis
        Fig 1: Inspecting Regulator Motor Operation
        G04466789Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Front passenger's side and rear LH side 

        MEASUREMENT CONNECTION AND SPECIFIED CONDITION REFERENCE (FRONT PASSENGER'S SIDE AND REAR LH SIDE)

        Measurement Condition Specified Condition
        Battery positive (+) --> Terminal 5
        Battery negative (-) --> Terminal 4        		 Clockwise toward driving axis
        Battery positive (+) --> Terminal 4
        Battery negative (-) --> Terminal 5        		 Counterclockwise toward driving axis

        If the result is not as specified, replace the motor.

    2. Inspect the PTC operation inside the regulator motor.
      NOTE: The inspection should be performed with the power window regulator and door glass installed to the vehicle.
      1. Set a DC 400 A probe of the TOYOTA electrical tester to terminal 4 or 5 of the wire harness.
        NOTE: Match the arrow mark of the probe with the current direction.
        Fig 2: Inspecting PTC Operation Inside Regulator Motor
        G04466790Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Set the door glass to the fully closed position.
      3. When 60 seconds have elapsed after the door glass is fully closed, pull the power window switch up once again. Check how long it takes for the current to change from approximately 16 to 34 A into 1 A or less.

        Standard: Approximately 4 to 90 seconds 

      4. When approximately 60 seconds have elapsed after the inspection of the current cut-off, check that the door glass moves down when the power window regulator DOWN switch is pushed.

        If the result is not as specified, replace the motor.

        Fig 3: Checking Door Glass Moves Down
        G04466791Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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