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                        | Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001AYAX |  
                        | Model Year Start: 2019 | Model: Avalon | Prod Date Range: [04/2018 -                    
                                       ] |  
                        | Title: LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): B124C; Automatic High Beam Camera; 2019 - 2022 MY Avalon [04/2018 -        ] |  
                     
                        
                           | DTC | B124C | Automatic High Beam Camera |  DESCRIPTIONThe main body ECU (multiplex network body ECU) detects a high beam headlight illumination request signal of the automatic high beam system from the forward recognition camera. 
                     
                        
                        
                        
                        
                        
                     
                     
                        
                           | DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |  
                           | B124C | Automatic High Beam Camera | Malfunction in forward recognition camera | Front camera system | Main Body |  WIRING DIAGRAM  PROCEDURE
                     
                        
                           | 1.  | CHECK FRONT CAMERA SYSTEM |  (a) Check front camera system. Click here
                        
                           
                              ![2019 - 2021 MY Avalon [04/2018 - 08/2021]; CRUISE CONTROL: FRONT CAMERA SYSTEM (for Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING](/t3Portal/stylegraphics/info.gif)  ![2022 MY Avalon Avalon HV [08/2021 -        ]; CRUISE CONTROL: FRONT CAMERA SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING](/t3Portal/stylegraphics/info.gif)  
                     
                        
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