| 
                     
                        | Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001YKUI |  
                        | Model Year Start: 2022 | Model: Avalon HV | Prod Date Range: [08/2021 -                    
                                       ] |  
                        | Title: PARK ASSIST / MONITORING: PARKING ASSIST 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 parking assist ECU removal/installation are shown below. Necessary Procedure After Parts Removed/Installed/Replaced (for Gasoline Model)
                     
                        
                        
                        
                        
                     
                     
                        
                           | Replaced Part or Performed Procedure | Necessary Procedure | Effect/Inoperative Function When Necessary Procedures are not Performed | Link |  
                           
                         
                           | Disconnect cable from negative 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)  |  
                           | Replacement of parking assist ECU | 
                                 
                                    
Parking assist ECU initialization
Adjust steering angle
 | Panoramic View Monitor System | 
                                 
                                    
                                       
                                          ![2019 - 2022 MY Avalon [04/2018 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for Gasoline Model): CALIBRATION](/t3Portal/stylegraphics/info.gif)  |  
                           | 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)  |  CAUTION: Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing. Click here
                        
                           
                              ![2021 - 2022 MY Avalon [08/2020 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for Gasoline Model): PRECAUTION](/t3Portal/stylegraphics/info.gif)    Necessary Procedure After Parts Removed/Installed/Replaced (for HV Model)
                     
                        
                        
                        
                        
                     
                     
                        
                           | Replaced Part or Performed Procedure | Necessary Procedure | Effect/Inoperative Function When Necessary Procedures are not Performed | Link |  
                           
                         
                           | 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)  |  
                           | Replacement of parking assist ECU | 
                                 
                                    
Parking assist ECU initialization
Adjust steering angle
 | Panoramic View Monitor System | 
                                 
                                    
                                       
                                          ![2019 - 2022 MY Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for HV Model): CALIBRATION](/t3Portal/stylegraphics/info.gif)  |  
                           | 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)  |  CAUTION: Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing. Click here
                        
                           
                              ![2019 - 2022 MY Avalon HV [04/2018 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for HV Model): PRECAUTION](/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 PARKING ASSIST ECU COVER 
                     
                        
                           | (a) Remove the 3 clips and parking assist ECU cover. |  |  3. REMOVE PARKING ASSIST ECU 
                     
                        
                           | (a) Disconnect each connector. |  |  (b) Disengage the clamp. 
                     
                        
                           | (c) Turn back the front floor carpet assembly and front floor mat as shown in the illustration. |  |  (e) Disengage the 2 guides and remove the parking assist ECU as shown in the illustration.   
                     
                        
                        
                     
                     
                        
                           |   | Remove in this Direction (1) |  
                           |   | Remove in this Direction (2) |  |