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Removal [10/2017 - ]: Procedure

  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    NOTE:

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

    Refer to INITIALIZATION [10/2017 - 09/2020] , or refer to INITIALIZATION [09/2020 - 11/2021] , or refer to INITIALIZATION [11/2021 - 09/2022] , or refer to INITIALIZATION [09/2022 - 10/2023] , or refer to INITIALIZATION [10/2023 - ]

  2. REMOVE ENGINE ROOM ECU COVER 
    NOTE:
    • Remove all water on and around the engine room ECU cover.
    • Perform the inspection indoors to avoid rain.
    • Be sure to prevent water intrusion to the ECM (connectors and screw parts).
    1. Remove the 3 bolts and engine room ECU cover.
      GTY833405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE ECM 
    1. Rotate the 2 levers while pushing the locks, and disconnect the 2 ECM connectors.
      NOTE:

      After disconnecting the ECM connectors, make sure that dirt, water or other foreign matter does not contact the connecting parts of the ECM connectors.

      GTY803156Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 nuts and ECM from the engine room ECU box.
      NOTE:

      If the ECM has been struck or dropped, replace it.

      GTY833403Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE NO. 1 ECM BRACKET 
    1. Remove the 2 screws and No. 1 ECM bracket from the ECM.
      GTY656870Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE NO. 2 ECM BRACKET 
    1. Remove the 2 screws and No. 2 ECM bracket from the ECM.
      GTY656871Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002