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                        | Last Modified: 05-08-2025 | 6.11:8.1.0 | Doc ID: RM100000002FR6R |  
                        | Model Year Start: 2024 | Model: RAV4 HV | Prod Date Range: [10/2023 -                    
                                       ] |  
                        | Title: HYBRID / BATTERY CONTROL: HYBRID VEHICLE CONTROL ECU: REMOVAL; 2024 - 2025 MY RAV4 HV [10/2023 -        ] |  REMOVALCAUTION / NOTICE / HINTThe necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during hybrid vehicle control ECU assembly removal/installation are shown below. Necessary Procedure After Parts Removed/Installed/Replaced
                     
                        
                        
                        
                        
                     
                     
                        
                           | Replaced Part or Performed Procedure | Necessary Procedure | Effect/Inoperative Function when Necessary Procedure not Performed | Link |  
                           
                         
                           | Disconnect cable from negative battery terminal | Perform steering sensor zero point calibration | Lane control system | 
                                 
                                    
                                       
                                          ![2022 - 2025 MY RAV4 RAV4 HV [12/2021 -        ]; PRE-COLLISION: PRE-COLLISION SYSTEM: INITIALIZATION](/t3Portal/stylegraphics/info.gif)  |  
                           | Parking support brake system* |  
                           | Pre-collision system |  
                           | Reset back door close position | Power back door system | 
                                 
                                    
                                       
                                          ![2024 - 2025 MY RAV4 RAV4 HV [10/2023 -        ]; DOOR / HATCH: POWER BACK DOOR SYSTEM: INITIALIZATION](/t3Portal/stylegraphics/info.gif)  |  
                           | Back door lock initialization | Power door lock control system | 
                                 
                                    
                                       
                                          ![2019 - 2025 MY RAV4 RAV4 HV [11/2018 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: INITIALIZATION](/t3Portal/stylegraphics/info.gif)  |  
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                                 w/ Smart Key System:
                                    
Hybrid vehicle control ECU assembly
 | Code registration | 
                                 
                                    
Wireless door lock control system (with smart key system)
Smart key system (for Entry function)
Smart key system (for start function)
Hybrid control system cannot be started
 | 
                                 
                                    
                                       
                                          ![2022 - 2025 MY RAV4 HV [12/2021 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, HV Model): REGISTRATION](/t3Portal/stylegraphics/info.gif)  |  
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                                 w/o Smart Key System:
                                    
Hybrid vehicle control ECU assembly
 | Code registration | Engine start function | 
                                 
                                    
                                       
                                          ![2023 - 2025 MY RAV4 HV [10/2022 -        ]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (for HV Model without Smart Key System): REGISTRATION](/t3Portal/stylegraphics/info.gif)  |  NOTICE: After the ignition switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the ignition switch off, be sure to wait for the time specified in the following table before disconnecting the cable from the negative (-) auxiliary battery terminal. Waiting Time before Disconnecting Cable from Negative (-) Auxiliary Battery Terminal
                     
                        
                        
                     
                     
                        
                           | System Name | See Procedure |  
                           | Vehicle enrolled in Toyota Audio Multimedia system or safety connect system | 6 minutes |  
                           | Vehicle not enrolled in Toyota Audio Multimedia system and safety connect system | 1 minute |  PROCEDURE1.   PRECAUTION CAUTION: Be sure to read precaution thoroughly before servicing.   Click here
                        
                           
                              ![2021 - 2025 MY RAV4 RAV4 HV [08/2020 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: PRECAUTION](/t3Portal/stylegraphics/info.gif)  NOTICE: After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work. 2. REMOVE DECK BOARD ASSEMBLY Click here
                        
                           
                              ![2024 - 2025 MY RAV4 HV [10/2023 -        ]; MAINTENANCE: A25A-FXS AUXILIARY BATTERY: REMOVAL+](/t3Portal/stylegraphics/info.gif)  3. REMOVE REAR NO. 2 FLOOR BOARD Click here
                        
                           
                              ![2024 - 2025 MY RAV4 HV [10/2023 -        ]; MAINTENANCE: A25A-FXS AUXILIARY BATTERY: REMOVAL+](/t3Portal/stylegraphics/info.gif)  4. REMOVE BATTERY HOLE COVER Click here
                        
                           
                              ![2024 - 2025 MY RAV4 HV [10/2023 -        ]; MAINTENANCE: A25A-FXS AUXILIARY BATTERY: REMOVAL+](/t3Portal/stylegraphics/info.gif)  5. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL Click here
                        
                           
                              ![2024 - 2025 MY RAV4 HV [10/2023 -        ]; MAINTENANCE: A25A-FXS AUXILIARY BATTERY: REMOVAL](/t3Portal/stylegraphics/info.gif)  
                     CAUTION: 
                        
Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.
If the airbag deploys for any reason, it may cause a serious accident.
   NOTICE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected. Click here
                        
                           
                              ![2024 - 2025 MY RAV4 RAV4 HV [10/2023 -        ]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION](/t3Portal/stylegraphics/info.gif)  6. REMOVE LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY Click here
                        
                           
                              ![2024 - 2025 MY RAV4 RAV4 HV [10/2023 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: KNEE AIRBAG ASSEMBLY: REMOVAL](/t3Portal/stylegraphics/info.gif)  7. REMOVE HYBRID VEHICLE CONTROL ECU ASSEMBLY 
                     
                        
                           | (a) Disconnect the connector. |  |  (b) w/ VEHICLE APPROACHING SPEAKER CONTROLLER: 
                     
                        
                           | (1) Disconnect the connector. |  |  (d) Disconnect the 3 hybrid vehicle control ECU assembly connectors as shown in the illustration. 
                     
                        
                           | (e) Remove the 2 nuts and hybrid vehicle control ECU assembly. |  |  8. REMOVE VEHICLE APPROACHING SPEAKER CONTROLLER (w/ VEHICLE APPROACHING SPEAKER CONTROLLER) Click here
                        
                           
                              ![2023 - 2025 MY RAV4 RAV4 HV [10/2022 -        ]; VEHICLE PROXIMITY NOTIFICATION SYSTEM: VEHICLE APPROACHING SPEAKER ECU: REMOVAL+](/t3Portal/stylegraphics/info.gif)  |