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Terminals Of Ecu

  1. CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSY (DOOR ECU) 
    1. Disconnect the P5 master switch connector.
    2. Check the voltage or continuity of each terminal of the wire harness side connector.
      Fig 1: Identifying P5 Master Switch
      G02909614Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard:

      Fig 2: Identifying Power Window Regulator Master Switch Continuity Table
      G02909615Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      If the result is not as specified, the wire harness side may malfunction.

      1. Reconnect the P5 switch connector, and check the voltage of each terminal of the connector. Standard:
        Fig 3: Identifying P5 Switch Connector And Voltage Table
        G02909616Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        If the result is not as specified, the master switch may malfunction.

  2. CHECK MULTIPLEX NETWORK BODY ECU 
    1. Disconnect the body ECU connectors B9, B10, B11 and B12.
    2. Check the voltage or continuity of each terminal of the wire harness side connector.
      Fig 4: Identifying Ecu Connectors B9,B10,B11 And B12
      G02909617Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard:

      Fig 5: Identifying Terminals Continuity Table
      G02909618Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      If the result is not as specified, the wire harness side may malfunction.

    3. Reconnect the ECU connectors, and check the voltage of each terminal of the connectors.

      Standard:

      Fig 6: Identifying Terminals Voltage Table
      G02909619Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      If the result is not as specified, the door ECU or communication line may malfunction.