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Inspection Procedure

  1. CHECK POWER WINDOW REGULATOR MASTER SWITCH 
    1. Using the Techstream, check operation of the master switch using the Data List

    Standard 

    Driver Door: 

    DRIVER DOOR DATA LIST

    Tester Display Measurement Item/Range Normal Condition Diagnostic Note
    Door P/W Auto SW Driver side power window auto UP/DOWN switch signal/ON or OFF ON: Driver side power window auto UP/DOWN switch on master switch operated
    OFF: Driver side power window switch on master switch not operated    		 -

    NG: Go to step 3 

    OK: Go to Next Step 

  2. CHECK WIRE HARNESS (POWER WINDOW REGULATOR MASTER SWITCH - POWER WINDOW MOTOR) 
    1. Disconnect the D18 master switch connector.
    2. Remove the front door trim LH.
    3. Disconnect the P10 power window motor connector.
    4. Check the continuity between the wire harness side connectors.

      Standard resistance 

      RESISTANCE SPECIFIED CONDITIONS

      Terminal No Specified Condition
      D18-11 - P10-1 Below 1 Ω
      D18-1 - P10-2 Below 1 Ω
      D18-1 - Body ground No continuity
      D18-11 - Body ground No continuity
      Fig 1: Identifying D18 Master Switch And P10 Power Window Motor Connector Terminals
      G05846646Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Reference:

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

      1. Remove the motor.
      2. Apply battery voltage to the connector between terminals 1 and 2.
      3. Check that the motor rotates smoothly.
        NOTE: Do not apply battery voltage to the terminals except 1 and 2.
    Fig 2: Checking Power Window Motor Operation
    G05846647Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Standard 

    POWER WINDOW MOTOR OPERATION CONDITIONS

    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 OR CONNECTOR 

    OK: REPLACE POWER WINDOW REGULATOR MOTOR (DRIVER SIDE) 

  3. INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (FOR GROUND) 
    1. Remove the master switch (the connector is connected)
    2. Check the continuity between terminal 2 and the body ground.

      Standard: 

      Below 1 Ω 

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 3: Identifying Power Window Regulator Master Switch Connector Terminals
    G05846648Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go to Next Step 

  4. INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (FOR POWER SOURCE) 
    1. Check the voltage between the terminals.

    Standard voltage 

    VOLTAGE SPECIFIED CONDITION

    Terminal No. Condition Specified Condition
    9-2 Constant 10 to 14 V
    20-2 Ignition ON 10 to 14 V
    10-2 Constant 10 to 14 V

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) 

    Fig 4: Identifying Power Window Regulator Master Switch Connector Terminals
    G05846649Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: REPLACE POWER WINDOW REGULATOR MASTER SWITCH 

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