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                        | Last Modified: 05-08-2025 | 6.11:8.1.0 | Doc ID: RM100000001H5WI |  
                        | Model Year Start: 2019 | Model: RAV4 HV | Prod Date Range: [02/2019 - 10/2019] |  
                        | Title: MAINTENANCE: A25A-FXS AUXILIARY BATTERY: REMOVAL; 2019 MY RAV4 HV [02/2019 - 10/2019] |  REMOVALCAUTION / NOTICE / HINTThe necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during auxiliary battery removal/installation are shown below. Necessary Procedure After Parts Removed/Installed/Replaced
                     
                        
                        
                        
                        
                     
                     
                        
                           | Replaced Part or Performed Procedures | Necessary Procedures | Effect/Inoperative Function When Necessary Procedures are not Performed | Link |  
                           
                         
                           | Auxiliary battery terminal is disconnected/reconnected | Perform steering sensor zero point calibration | Lane control system | 
                                 
                                    
                                       
                                          ![2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021]; PRE-COLLISION: PRE-COLLISION SYSTEM: INITIALIZATION](/t3Portal/stylegraphics/info.gif)  |  
                           | Parking support brake system (for HV model)* |  
                           | Pre-collision system |  
                           | Lighting system (EXT)(w/ AFS) |  
                           | Memorize steering angle neutral point | Parking assist monitor system | 
                                 
                                    
                                       
                                          ![2019 - 2022 MY RAV4 RAV4 HV [11/2018 - 10/2022]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: INITIALIZATION](/t3Portal/stylegraphics/info.gif)  |  
                           | Panoramic view monitor system (for HV model) | 
                                 
                                    
                                       
                                          ![2019 - 2022 MY RAV4 HV [11/2018 - 10/2022]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for HV Model): INITIALIZATION](/t3Portal/stylegraphics/info.gif)  |  
                           | Reset back door close position | Power back door system (for HV model) | 
                                 
                                    
                                       
                                          ![2019 - 2023 MY RAV4 HV [11/2018 - 10/2023]; DOOR / HATCH: POWER BACK DOOR SYSTEM (for HV Model): 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)  |  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 Entune system or safety connect system | 6 minutes |  
                           | Vehicle not enrolled in Toyota Entune system and safety connect system | 1 minute |  PROCEDURE1.   PRECAUTION 
                     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.
Click here
                                 
                                    
                                       ![2019 - 2025 MY RAV4 RAV4 HV [11/2018 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION](/t3Portal/stylegraphics/info.gif) 
When replacing the auxiliary battery, use a new auxiliary battery of the same dimensions and same capacity or more from the same class at a 20-hour rate.
 2. REMOVE DECK BOARD ASSEMBLY 
                     
                        
                           | (a) Remove the deck board assembly. |  |  3. REMOVE REAR NO. 2 FLOOR BOARD 
                     
                        
                           | (a) Detach the 2 clips and 2 guides and remove the luggage trim service hole cover. |  |  4. REMOVE BATTERY HOLE COVER   (a) Detach the 12 claws and remove the battery hole cover. 5. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL 
                     
                        
                           | (a) Loosen the nut, and disconnect the cable from the negative (-) auxiliary battery terminal. NOTICE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected. Click here
                                    
                                       
                                          ![2019 MY RAV4 RAV4 HV [02/2019 - 10/2019]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION](/t3Portal/stylegraphics/info.gif)  |  |  6. REMOVE AUXILIARY BATTERY 
                     
                        
                           | (a) Open the connector cover. |  |  
                     
                        
                           | (b) Loosen the nut and disconnect the cable from the positive (+) auxiliary battery terminal. |  |  
                     
                        
                           | (c) Disconnect the battery hose from the auxiliary battery. |  |  
                     
                        
                           | (d) Remove the bolt, nut and battery clamp sub-assembly as shown in the illustration. |  |  
                     
                        
                           | (e) Remove the battery insulator. |  |  (f) Remove the auxiliary battery. 
                     
                        
                           | (g) w/ No. 1 Battery Spacer: Remove the No. 1 battery spacer. |  |  |