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Installation [10/2017 - ]: Procedure

  1. INSTALL NO. 2 ECM BRACKET 
    1. Install the No. 2 ECM bracket to the ECM with the 2 screws.

      Torque: 4.5 N.m (46 kgf/cm, 40 in.lbf) 

  2. INSTALL NO. 1 ECM BRACKET 
    1. Install the No. 1 ECM bracket to the ECM with the 2 screws.

      Torque: 4.5 N.m (46 kgf/cm, 40 in.lbf) 

  3. INSTALL ECM 
    1. Install the ECM to the engine room ECU box with the 2 nuts.

      Torque: 5.5 N.m (56 kgf/cm, 49 in.lbf) 

      NOTE:

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

    2. Connect the 2 ECM connectors and rotate the 2 levers to lock them.
      GTY803162Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • When connecting the ECM connectors, make sure that the connecting parts of the ECM connectors are free of dirt, water and other foreign matter.
      • Be sure to securely connect the ECM connectors.
  4. INSTALL ENGINE ROOM ECU COVER 
    1. Install the engine room ECU cover with the 3 bolts.

      Torque: 5.5 N.m (56 kgf/cm, 49 in.lbf) 

      NOTE:

      Make sure that the wire harness does not get caught between the parts.

  5. CONNECT CABLE TO 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 - ]

  6. PERFORM INITIALIZATION 

    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 - ]