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                        | Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001B4FH |  
                        | Model Year Start: 2019 | Model: Avalon HV | Prod Date Range: [04/2018 -                    
                                       ] |  
                        | Title: A25A-FXS (ENGINE CONTROL): ECM: INSTALLATION; 2019 - 2022 MY Avalon HV [04/2018 -        ] |  INSTALLATIONPROCEDURE1. INSTALL NO. 2 ECM BRACKET (a) 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 (a) 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 
                     
                        
                           | (a) Install the ECM with the 2 nuts in the order shown in the illustration. Torque:  8.0 N·m {82 kgf·cm, 71 in·lbf} NOTICE: If the ECM has been struck or dropped, replace it. |  |  (c) Install the engine wire to the No. 2 ECM bracket with the bolt. Torque:  10 N·m {102 kgf·cm, 7 ft·lbf} (d) Connect the 2 ECM connectors and rotate the 2 levers to lock them. 
                     NOTICE: 
                        
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 Click here
                        
                           
                              ![2019 - 2022 MY Avalon HV [04/2018 -        ]; MAINTENANCE: A25A-FXS AUXILIARY BATTERY: INSTALLATION+](/t3Portal/stylegraphics/info.gif)  5. INSTALL LUGGAGE TRIM SERVICE HOLE COVER Click here
                        
                           
                              ![2019 - 2022 MY Avalon HV [04/2018 -        ]; MAINTENANCE: A25A-FXS AUXILIARY BATTERY: INSTALLATION+](/t3Portal/stylegraphics/info.gif)  6. PERFORM INITIALIZATION Click here
                        
                           
                              ![2019 - 2020 MY Avalon HV [04/2018 - 08/2020]; A25A-FXS (ENGINE CONTROL): SFI SYSTEM: PRECAUTION](/t3Portal/stylegraphics/info.gif)  ![2021 MY Avalon HV [08/2020 - 08/2021]; A25A-FXS (ENGINE CONTROL): SFI SYSTEM: PRECAUTION](/t3Portal/stylegraphics/info.gif)  ![2022 MY Avalon HV [08/2021 -        ]; A25A-FXS (ENGINE CONTROL): SFI SYSTEM: PRECAUTION](/t3Portal/stylegraphics/info.gif)  |