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Inspection Procedure

  1. INSPECT POWER WINDOW MASTER SWITCH (DRIVER SWITCH) 
    1. Remove the power window master switch (See POWER WINDOW MASTER SWITCH ).
    2. Measure the resistance according to the value(s) in the table below.

    Standard Resistance 

    RESISTANCE SPECIFIED CONDITION

    Tester Connection Switch Condition Specified Condition
    1 (E) - 4 (D)
    3 (U) - 6 (B)    		 UP Below 1 Ω
    1 (E) - 3 (U)
    1 (E) - 4 (D)    		 OFF Below 1 Ω
    1 (E) - 3 (U)
    6 (B) - 4 (D)    		 DOWN Below 1 Ω
    1 (E) - 3 (U)
    6 (B) - 4 (D)    		 AUTO DOWN Below 1 Ω

    NG: REPLACE POWER WINDOW MASTER SWITCH  (See POWER WINDOW MASTER SWITCH )

    Fig 1: Identifying Terminals Of Power Window Master Switch Connector
    G06015884Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go to Next Step 

  2. CHECK HARNESS AND CONNECTOR (MASTER SWITCH - MOTOR (DRIVER SIDE)) 
    1. Disconnect the power window regulator motor assembly (driver side) motor connector.
    2. Measure the resistance according to the value(s) in the table below.

    Standard Resistance 

    RESISTANCE SPECIFIED CONDITION

    Tester Connection Condition Specified Condition
    I3-4 (D) - I6-1 (D) Always Below 1 Ω
    I3-3 (U) - I6-2 (U) Always Below 1 Ω
    I3-4 (D) - Body ground Always 10 kΩ or higher
    I3-3 (U) - Body ground Always 10 kΩ or higher
    Fig 2: Identifying I3 Power Window Master Switch And I7 Power Window Regulator Motor Assembly (Drive Side) Connectors
    G06038076Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to Next Step 

  3. INSPECT POWER WINDOW REGULATOR MOTOR ASSEMBLY (DRIVER SIDE) 
    1. Remove the power window regulator motor assembly (driver side) (See REMOVAL ).
    2. Check power window regulator motor operation:
      1. Apply battery voltage to connector terminals 1 and 2.
        NOTE: Do not apply battery voltage to any terminals except terminals 1 and 2.
      2. Check that the motor gear rotates smoothly as follows.

      OK 

      MEASUREMENT CONDITION REFERENCE CHART

      Measurement Condition Specified Condition
      Battery positive (+) → 1
      Battery negative (-) → 2      		 Motor gear rotates counterclockwise
      Battery positive (+) → 2
      Battery negative (-) → 1      		 Motor gear rotates clockwise
    3. Check PTC operation:
    NOTE: This check must be performed with the power window regulator and door glass installed on the vehicle.
    Fig 3: Checking Power Window Regulator Motor Operation
    G06038077Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Install the power window regulator motor assembly (driver side) (See INSTALLATION ).
    2. Connect an electrical tester DC 400 A probe to the wire harness of terminal 2.
      NOTE: Match the arrow mark of the probe with the direction of the current flow.
    3. Fully close the door glass by pulling up the power window switch. Wait for approximately 60 seconds.
    4. Continue to pull up the power window switch and measure how long it takes for the electrical current to change from a range of 16 to 28 A to approximately 1 A (current shut-off inspection).

      Standard: 4 to 90 seconds 

    5. Wait for 60 seconds after the previous step, and then push down press the power window switch (driver side).

      OK: The driver side window goes down  .

      Fig 4: Identifying I6 Power Window Regulator Motor Assembly (Driver Side)
      G06038078Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      NG: REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (DRIVER SIDE) (See  REMOVAL  ) 

      OK: REPLACE POWER WINDOW MASTER SWITCH  (See POWER WINDOW MASTER SWITCH )

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