| 
                     
                        | Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001PX4D |  
                        | Model Year Start: 2021 | Model: Avalon | Prod Date Range: [08/2020 -                    
                                       ] |  
                        | Title: A25A-FKS (ENGINE CONTROL): ENGINE COOLANT TEMPERATURE SENSOR: INSTALLATION; 2021 - 2022 MY Avalon [08/2020 -        ] |  INSTALLATIONPROCEDURE1. INSTALL ENGINE COOLANT TEMPERATURE SENSOR HINT: Perform "Inspection After Repair" after replacing the engine coolant temperature sensor. Click here
                        
                           
                              ![2021 - 2022 MY Avalon [08/2020 -        ]; A25A-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION](/t3Portal/stylegraphics/info.gif)  (a) Apply a light coat of engine coolant to the O-ring of the engine coolant temperature sensor. (b) Install the engine coolant temperature sensor to the water outlet with a new clip. 
                     NOTICE: 
                        
If the engine coolant temperature sensor has been struck or dropped, replace it.
If reusing the engine coolant temperature sensor, be sure to inspect the O-ring.
Make sure that the O-ring is not cracked or moved out of place when installing the engine coolant temperature sensor.
 (c) Connect the engine coolant temperature sensor connector. 2. ADD ENGINE COOLANT Click here
                        
                           
                              ![2021 - 2022 MY Avalon [08/2020 -        ]; MAINTENANCE: A25A-FKS COOLANT: REPLACEMENT+](/t3Portal/stylegraphics/info.gif)  3. INSPECT FOR COOLANT LEAK Click here
                        
                           
                              ![2021 - 2022 MY Avalon [08/2020 -        ]; A25A-FKS (COOLING): COOLING SYSTEM: ON-VEHICLE INSPECTION+](/t3Portal/stylegraphics/info.gif)  4. PERFORM INITIALIZATION (a) Perform "Inspection After Repair" after replacing the engine coolant temperature sensor. Click here
                        
                           
                              ![2021 - 2022 MY Avalon [08/2020 -        ]; A25A-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION](/t3Portal/stylegraphics/info.gif)  |