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                        | Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001YLI4 |  
                        | Model Year Start: 2022 | Model: Avalon HV | Prod Date Range: [08/2021 -                    
                                       ] |  
                        | Title: SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION ECU: REMOVAL; 2022 MY Avalon Avalon HV [08/2021 -        ] |  REMOVALCAUTION / NOTICE / HINTThe necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during occupant detection ECU removal/installation are shown below. Necessary Procedures After Parts Removed/Installed/Replaced (for Gasoline Model)
                     
                        
                        
                        
                        
                     
                     
                        
                           | Replaced Part or Performed Procedure | Necessary Procedure | Effect/Inoperative Function when Necessary Procedure not Performed | Link |  
                           
                         
                           | 
                                 
                                    
Replacement of the occupant detection ECU
Removal/installation of the front passenger seat
 | Zero point calibration (Occupant Classification System) | 
                                 
                                    
Occupant Classification System
Passenger airbag ON/OFF indicator
Airbag System (Front passenger side)
Seat Belt Warning System (Front passenger)
 | 
                                 
                                    
                                       
                                          ![2019 - 2022 MY Avalon [04/2018 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION SYSTEM (for Gasoline Model): INITIALIZATION](/t3Portal/stylegraphics/info.gif)  |  
                           | Disconnect cable from negative auxiliary battery terminal | Perform steering sensor zero point calibration | Lane Tracing Assist System | 
                                 
                                    
                                       
                                          ![2022 MY Avalon Avalon HV [08/2021 -        ]; PRE-COLLISION: PRE-COLLISION SYSTEM: INITIALIZATION](/t3Portal/stylegraphics/info.gif)  |  
                           | Pre-collision System |  
                           | Intelligent Clearance Sonar System* |  
                           | Lighting System (for Gasoline Model with Cornering Light) |  
                           | Memorize steering angle neutral point | Parking Assist Monitor System | 
                                 
                                    
                                       
                                          ![2019 - 2022 MY Avalon [04/2018 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM (for Gasoline Model): INITIALIZATION](/t3Portal/stylegraphics/info.gif)  |  
                           | Panoramic View Monitor System | 
                                 
                                    
                                       
                                          ![2019 - 2022 MY Avalon [04/2018 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for Gasoline Model): INITIALIZATION](/t3Portal/stylegraphics/info.gif)  |  Necessary Procedures After Parts Removed/Installed/Replaced (for HV Model)
                     
                        
                        
                        
                        
                     
                     
                        
                           | Replaced Part or Performed Procedure | Necessary Procedure | Effect/Inoperative Function when Necessary Procedure not Performed | Link |  
                           
                         
                           | 
                                 
                                    
Replacement of the occupant detection ECU
Removal/installation of the front passenger seat
 | Zero point calibration (Occupant classification system) | 
                                 
                                    
Occupant classification system
Passenger airbag ON/OFF indicator
Airbag system (Front passenger side)
Seat belt warning system (Front passenger)
 | 
                                 
                                    
                                       
                                          ![2019 - 2022 MY Avalon HV [04/2018 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION SYSTEM (for HV Model): INITIALIZATION](/t3Portal/stylegraphics/info.gif)  |  
                           | Disconnect cable from negative auxiliary battery terminal | Perform steering sensor zero point calibration | Lane Tracing Assist System | 
                                 
                                    
                                       
                                          ![2022 MY Avalon Avalon HV [08/2021 -        ]; PRE-COLLISION: PRE-COLLISION SYSTEM: INITIALIZATION](/t3Portal/stylegraphics/info.gif)  |  
                           | Pre-collision System |  
                           | Intelligent Clearance Sonar System* |  
                           | Lighting System (for HV Model with Cornering Light) |  
                           | Memorize steering angle neutral point | Parking Assist Monitor System | 
                                 
                                    
                                       
                                          ![2019 - 2022 MY Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM(for HV Model): INITIALIZATION](/t3Portal/stylegraphics/info.gif)  |  
                           | Panoramic View Monitor System | 
                                 
                                    
                                       
                                          ![2019 - 2022 MY Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for HV Model): INITIALIZATION](/t3Portal/stylegraphics/info.gif)  |  PROCEDURE1. REMOVE FRONT SEAT ASSEMBLY RH HINT: Use the same procedure as for the LH side. Click here
                        
                           
                              ![2022 MY Avalon Avalon HV [08/2021 -        ]; SEAT: FRONT SEAT ASSEMBLY: REMOVAL](/t3Portal/stylegraphics/info.gif)  2. REMOVE OCCUPANT DETECTION ECU 
                     
                        
                           | (a) Disconnect the 2 connectors. |  |  (b) Using a screwdriver with its tip wrapped with protective tape, disengage the claw and remove the occupant detection ECU. |