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Inspection Procedure

  1. CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (BW, BDR VOLTAGE) 
    1. Disconnect the P17 switch connector.
    2. Measure the voltage of the wire harness side connector.

      Standard voltage 

      TERMINALS VOLTAGE SPECIFICATION

      Tester Connection Condition Specified Condition
      P17-7 (BW) - P17-1 (E) Always 10 to 14 V
      P17-11 (BDR) - P17-1 (E) Power switch ON (IG) 10 to 14 V
      Fig 1: Identifying Power Window Regulator Master Switch Connectors
      G04476769Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG : REPAIR OR REPLACE HARNESS AND CONNECTOR (BATTERY - MASTER SWITCH) 

    OK : GO TO NEXT STEP 

  2. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY FRONT LH 
    1. Disconnect the P17 switch connector.
    2. Using a service wire, connect the terminals according to the table below.
    3. Check operation of the power window regulator motor.

      OK 

      WIRE CONNECTION AND SPECIFIED CONDITION

      Wire Connection Specified Condition
      P17-4 (DU) - P17-7 (BW)
      P17-9 (DD) - Body ground
      Power window moves UP
      P17-4 (DU) - Body ground
      P17-7 (BW) - P17-9 (DD)
      Power window moves DOWN
      Fig 2: Identifying Power Window Regulator Master Switch Connectors
      G04476770Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK : REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY 

    NG : GO TO NEXT STEP 

  3. CHECK WIRE HARNESS (MASTER SWITCH - REGULATOR MOTOR) 
    1. Disconnect the P17 switch connector.
    2. Disconnect the P18 motor connector.
    3. Measure the resistance of the wire harness side connectors.

      Standard resistance 

      TERMINALS RESISTANCE SPECIFICATION

      Tester Connection Specified Condition
      P17-9 (DD) - P18-1 (D) Below 1 Ω
      P17-4 (DU) - P18-2 (U) Below 1 Ω
      P17-9 (DD) or P18-1 (D) - Body ground 10 kΩ or higher
      P17-4 (DU) or P18-2 (U) - Body ground 10 kΩ or higher
      Fig 3: Identifying Power Window Regulator Master Switch Connectors
      G04476771Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG : REPAIR OR REPLACE HARNESS AND CONNECTOR 

    OK : REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY FRONT LH