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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.
          Fig 1: Inspecting Power Window Regulator Motor Operation
          G05196248Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

          Standard: Driver's side and rear RH side 

          MEASURING SPECIFIED CONDITION

          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

          Front passenger's side and rear LH side 

          MEASURING SPECIFIED CONDITION

          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: Identifying Fully Closed Position Of Door Glass
        G05196249Courtesy 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: Identifying Door Glass Operation
        G05196250Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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