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                        | Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001PTME |  
                        | Model Year Start: 2021 | Model: Avalon HV | Prod Date Range: [08/2020 -                    
                                       ] |  
                        | Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION ECU: REMOVAL; 2021 - 2022 MY Avalon Avalon HV [08/2020 -        ] |  REMOVALPROCEDURE1.   PRECAUTION 
                     NOTICE: 
                        
When replacing the radio and display receiver assembly or navigation ECU, always replace it with a new one. If a radio and display receiver assembly or navigation ECU which was installed to another vehicle is used, the following may occur:
                              
                                 
A communication malfunction DTC may be stored.
The radio and display receiver assembly or navigation ECU may not operate normally.
After replacing the navigation ECU, if "New software is not compatible with the system. Contact your dealer." is displayed on the multi-display, update the software of the radio and display receiver assembly.
 NOTICE: for Gasoline Model: Click here
                        
                           
                              ![2019 - 2021 MY Avalon [04/2018 - 08/2021]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for Gasoline Model): PRECAUTION](/t3Portal/stylegraphics/info.gif)  ![2022 MY Avalon [08/2021 -        ]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for Gasoline Model): PRECAUTION](/t3Portal/stylegraphics/info.gif)  for HV Model: Click here
                        
                           
                              ![2019 - 2021 MY Avalon HV [04/2018 - 08/2021]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for HV Model): PRECAUTION](/t3Portal/stylegraphics/info.gif)  ![2022 MY Avalon HV [08/2021 -        ]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for HV Model): PRECAUTION](/t3Portal/stylegraphics/info.gif)  2. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL LH Click here
                        
                           
                              ![2021 - 2022 MY Avalon Avalon HV [08/2020 -        ]; INTERIOR PANELS / TRIM: FRONT CONSOLE BOX: REMOVAL+](/t3Portal/stylegraphics/info.gif)  3. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL RH Click here
                        
                           
                              ![2021 - 2022 MY Avalon Avalon HV [08/2020 -        ]; INTERIOR PANELS / TRIM: FRONT CONSOLE BOX: REMOVAL+](/t3Portal/stylegraphics/info.gif)  4. REMOVE FRONT CONSOLE UPPER PANEL GARNISH Click here
                        
                           
                              ![2021 - 2022 MY Avalon Avalon HV [08/2020 -        ]; INTERIOR PANELS / TRIM: FRONT CONSOLE BOX: REMOVAL+](/t3Portal/stylegraphics/info.gif)  5. REMOVE CONSOLE BOX POCKET SUB-ASSEMBLY Click here
                        
                           
                              ![2021 - 2022 MY Avalon Avalon HV [08/2020 -        ]; INTERIOR PANELS / TRIM: FRONT CONSOLE BOX: REMOVAL+](/t3Portal/stylegraphics/info.gif)  6. REMOVE CENTER INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY Click here
                        
                           
                              ![2021 - 2022 MY Avalon Avalon HV [08/2020 -        ]; INTERIOR PANELS / TRIM: FRONT CONSOLE BOX: REMOVAL+](/t3Portal/stylegraphics/info.gif)  7. REMOVE CENTER NO. 1 INSTRUMENT CLUSTER FINISH PANEL Click here
                        
                           
                              ![2019 - 2021 MY Avalon Avalon HV [04/2018 - 08/2021]; INTERIOR PANELS / TRIM: INSTRUMENT PANEL SAFETY PAD: REMOVAL+](/t3Portal/stylegraphics/info.gif)  ![2022 MY Avalon Avalon HV [08/2021 -        ]; INTERIOR PANELS / TRIM: INSTRUMENT PANEL SAFETY PAD: REMOVAL+](/t3Portal/stylegraphics/info.gif)  8. REMOVE CENTER NO. 2 INSTRUMENT CLUSTER FINISH PANEL Click here
                        
                           
                              ![2019 - 2021 MY Avalon Avalon HV [04/2018 - 08/2021]; INTERIOR PANELS / TRIM: INSTRUMENT PANEL SAFETY PAD: REMOVAL+](/t3Portal/stylegraphics/info.gif)  ![2022 MY Avalon Avalon HV [08/2021 -        ]; INTERIOR PANELS / TRIM: INSTRUMENT PANEL SAFETY PAD: REMOVAL+](/t3Portal/stylegraphics/info.gif)  9. REMOVE RADIO AND DISPLAY RECEIVER ASSEMBLY WITH BRACKET Click here
                        
                           
                              ![2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; AUDIO / VIDEO: RADIO RECEIVER: REMOVAL+](/t3Portal/stylegraphics/info.gif)  10. REMOVE NO. 2 HEATER TO REGISTER DUCT SUB-ASSEMBLY Click here
                        
                           
                              ![2019 - 2021 MY Avalon Avalon HV [04/2018 - 08/2021]; INTERIOR PANELS / TRIM: INSTRUMENT PANEL SAFETY PAD: REMOVAL+](/t3Portal/stylegraphics/info.gif)  ![2022 MY Avalon Avalon HV [08/2021 -        ]; INTERIOR PANELS / TRIM: INSTRUMENT PANEL SAFETY PAD: REMOVAL+](/t3Portal/stylegraphics/info.gif)  11. REMOVE NAVIGATION ECU WITH BRACKET 
                     
                        
                           | (a) Disconnect the 2 connectors. |  |  (b) Remove the 2 nuts and pull the navigation ECU with bracket as shown in the illustration.   
                     
                        
                        
                     
                     
                        
                           |   | Remove in this Direction |  (c) Disconnect each connector and remove the navigation ECU with bracket. 12. REMOVE NO. 5 ANTENNA CORD SUB-ASSEMBLY Click here
                        
                           
                              ![2021 - 2022 MY Avalon Avalon HV [08/2020 -        ]; NAVIGATION / MULTI INFO DISPLAY: ANTENNA CORD: REMOVAL+](/t3Portal/stylegraphics/info.gif)  13. REMOVE NO. 2 TELEPHONE BRACKET 
                     
                        
                           | (b) Disengage the wiring harness clamp. |  |  
                     
                        
                           | (c) Remove the 3 screws and disengage the 3 guides to remove the No. 2 telephone bracket. |  |  14. REMOVE NO. 1 TELEPHONE BRACKET 
                     
                        
                           | (a) Remove the 3 screws and disengage the 3 guides to remove the No. 1 telephone bracket. |  |  15. REMOVE DCM (TELEMATICS TRANSCEIVER) WITH ANTENNA CORD 16. REMOVE NAVIGATION ECU |