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Inspection Procedure

WARNING: This page is about a different car, the 2006 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSY 
    1. Remove the master switch.
    2. Check the continuity between the terminals of the switch connector when the AUTO switch is operated.

      Standard: 

      TERMINAL SPECIFIED CONDITION TABLE

      Terminals No. AUTO Switch Specified Condition
      7 <==> 4, 9 <==> 1 UP Continuity
      4 <==> 9 <==> 1 OFF Continuity
      7 <==> 9, 4 <==> 1 DOWN Continuity
      Fig 1: Identifying Power Window Regulator Master Switch Assy Connector
      G04336485Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSY 

    OK: GO TO NEXT STEP 

  2. CHECK WIRE HARNESS (MASTER SWITCH <==> MOTOR) (MASTER SWITCH <==> BODY GROUND) 
    1. Disconnect the D17 switch connector.
    2. Disconnect the P12 motor connector.
    3. Check the continuity between the wire harness side connectors.

      Standard: 

      TERMINAL SPECIFIED CONDITION TABLE

      Terminal No. Specified Condition
      D17-9 <==> P12-1 Continuity
      D17-4 <==> P12-2 Continuity
    4. Fig 2: Identifying D17 Switch Connector & P12 Motor Connector
      G04336486Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Check the continuity between the D17 switch connector and the body ground.

      Standard: 

      TERMINAL SPECIFIED CONDITION TABLE

      Terminal No. Specified Condition
      D17-4 <==> Body ground No continuity
      D17-9 <==> Body ground No continuity
    6. Reference:

      Check operation of the power window motor (driver side).

      1. Remove the motor (See OVERHAUL ).
      2. Apply battery voltage to connector terminals 1 and 2.
      3. Check that the motor gear rotates smoothly.
        Fig 3: Checking Motor Gear Rotates Smoothly
        G04336487Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        NOTE: Do not apply battery voltage to any terminal except terminals 1 and 2.

        Standard: 

        TERMINAL MOTOR GEAR ROTATION TABLE

        Terminal No. Motor Gear Rotation
        Battery positive voltage --> 2
        Battery negative voltage --> 1
        Clockwise
        Battery positive voltage --> 1
        Battery negative voltage --> 2
        Counterclockwise

    NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

    OK: REPLACE POWER WINDOW REGULATOR MOTOR ASSY LH (DRIVER SIDE)