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                        | Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001AJMG |  
                        | Model Year Start: 2019 | Model: Avalon | Prod Date Range: [04/2018 -                    
                                       ] |  
                        | Title: METER / GAUGE / DISPLAY: HEADUP DISPLAY SYSTEM (for Gasoline Model): TERMINALS OF ECU; 2019 - 2022 MY Avalon [04/2018 -        ] |  TERMINALS OF ECUMETER MIRROR SUB-ASSEMBLY   (a) Measure the voltage and resistance according to the value(s) in the table below. 
                     
                        
                        
                        
                        
                        
                        
                     
                     
                        
                           | Terminal No. (Symbol) | Wiring Color | Terminal Description | Signal Input/Output | Condition | Specified Condition |  
                           | H1-1 (IG) - Body ground | L - Body ground | Engine switch signal | - | Engine switch off → Engine switch on (IG) | Below 1 V → 11 to 14 V |  
                           | H1-2 (B) - Body ground | P - Body ground | Battery | - | Always | 11 to 14 V |  
                           | H1-4 (ES) - Body ground | W-B - Body ground | Ground | - | Always | Below 1 Ω |  
                           | H1-12 (MPX1) | P | CAN communication line | Input/Output | - | - |  
                           | H1-13 (MPX2) | R | CAN communication line | Input/Output | - | - |  
                           | H1-14 (TX+) | L | Local bus communication line | Input/Output | - | - |  
                           | H1-15 (TX-) | GR | Local bus communication line | Input/Output | - | - |  |