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Inspection Procedure

  1. CHECK SLIDING RESISTANCE AT REVERSING POSITION 
    1. Turn the ignition switch ON.
    2. Check the point that the sliding resistance of the door glass increases around the reverse position when operating the AUTO UP function.
    1. NG: REPAIR OR REPLACE APPLICABLE PART 
    2. OK: GO TO NEXT STEP 
  2. CHECK SLIDING RESISTANCE OF DOOR GLASS 
    1. Remove the window regulator.
    2. When raising the assembled door glass by hand, the glass slides smoothly without being caught.
    1. NG: REPAIR OR REPLACE APPLICABLE PART 
    2. OK: GO TO NEXT STEP 
  3. CHECK FRONT DOOR WINDOW REGULATOR SUB-ASSY LH 
    1. Remove the power window regulator motor from the window regulator.
    2. Check that the movement of the window regulator is smooth without being caught and no damage exists in the gear part when moving the window regulator by hand.
    1. NG: REPLACE FRONT DOOR WINDOW REGULATOR SUB-ASSY LH 
    2. OK: GO TO NEXT STEP 
  4. INSPECT POWER WINDOW REGULATOR MOTOR ASSY LH 
    NOTE:
    • Be sure not to apply the battery voltage to terminals 1,3 and 6 of the power window regulator motor assy LH connector, because it might damage the pulse sensor and the limit switch.
    • Be sure to reset the power window regulator motor assembly (initial position setting of the limit switch) when the power window regulator motor assy LH is installed to the regulator.
    1. Check the operation of power window regulator motor (driver side)
      1. When adding the battery voltage to each connector terminal, check that the motor operates smoothly.
        Fig 1: Checking Operation Of Power Window Regulator Motor (Driver Side)
        G02625625Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard: 

        POWER WINDOW REGULATOR MOTOR TERMINAL NO AND OPERATIONAL DIRECTION

        Terminal No. Operational direction
        Battery positive voltage-5 Clockwise rotation toward driving axis
        Battery negative voltage-4 Clockwise rotation toward driving axis
        Battery positive voltage-4 Counterclockwise rotation toward driving axis
        Battery negative voltage-5 Counterclockwise rotation toward driving axis
    2. Check the PTC operation inside power window regulator motor.
      NOTE: Work must be performed with the power window regulator and door glass installed to the vehicle.
      1. Set the DC 400 A probe to terminal 1 or 2 of the wire harness.
        NOTE: Match the arrow mark of the probe with the current direction.
      2. Set the door glass at the fully closed position.
      3. When approximately 60 seconds have passed after fully closing it, check the time that the current when pressing the power regulator switch UP again (at initial time) changes from approximately 16 to 34 A to less than 1 A.

        Standard: Approximately 4-90 seconds 

      4. When approximately 60 seconds have passed after the cutoff checking, check that the door glass will go down when the power regulator switch is pressed DOWN.
      1. NG: REPLACE POWER WINDOW REGULATOR MOTOR ASSY LH 
      2. OK: GO TO NEXT STEP 
    3. RESET POWER WINDOW REGULATOR MOTOR (See  OVERHAUL  ) 
      1. NG: REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSY 
      2. OK: GO TO NEXT STEP 

        NORMAL 

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