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Inspection Procedure

  1. CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (BW, BDR VOLTAGE) 
    1. Disconnect the P17 switch connector.
    2. Fig 1: Identifying Power Window Regulator Master Switch Connectors
      G04476769Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. 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

    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. Fig 2: Identifying Power Window Regulator Master Switch Connectors
      G04476770Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. 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

    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. Fig 3: Identifying Power Window Regulator Master Switch Connectors
      G04476771Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. 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

    NG : REPAIR OR REPLACE HARNESS AND CONNECTOR 

    OK : REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY FRONT LH