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Terminals Of Ecu

  1. Check Instrument Panel Junction Block Assy (Body ECU) 
    Fig 1: Identifying ECU Terminals
    G02815544Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Check the voltage or continuity between the terminals of the connectors.

      Standard: 

      Fig 2: Terminal Numbers & Specified Condition Table
      G02815545Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      If the result is not as specified, the instrument panel J/B assy (body ECU) malfunctions.

  2. Check Multiplex Network Door ECU Back (Back Door ECU) 
    Fig 3: Identifying Multiplex Network Door Terminals
    G02815546Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Check the voltage or continuity between the terminals of the connectors.

      Standard: 

      Fig 4: Terminal Voltage & Continuity Specifications
      G02815547Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      If the result is not as specified, the multiplex network door ECU back (back door ECU) malfunctions.