LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2021 >> Prius LE AWD-e >> Repair and Diagnosis >> External Pages >> Different car >> Section 114 (Engine Control System (Service Information) [A25A-FXS]) >> ECM >> Installation [04/2018 - ] >> Procedure

Installation [04/2018 - ]: Procedure

WARNING: This page is about a different car, the 2022 Toyota Avalon, 2021 Toyota Avalon, 2020 Toyota Avalon, and 2019 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
  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 with the 2 nuts in the order shown in the illustration.
      Fig 1: Identifying ECM And Nuts With Tightening Sequence
      GTY762258Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf) 

      NOTE:

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

    2. Engage the clamp.
      GTY762837Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install the engine wire to the No. 2 ECM bracket with the bolt.

      Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

    4. Connect the 2 ECM connectors and rotate the 2 levers to lock them.
      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. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL 

    Refer to PROCEDURE - Step 2

  5. INSTALL LUGGAGE TRIM SERVICE HOLE COVER 

    Refer to PROCEDURE - Step 3

  6. PERFORM INITIALIZATION 

    Refer to PRECAUTION [04/2018 - 08/2020] , or refer to PRECAUTION [08/2020 - 08/2021] , or refer to PRECAUTION [08/2021 - ]