| G9-1 (+B) - G9-4 (E) | B - W-B | Auxiliary battery power supply | Power switch off | 11 to 14 V | 
                        
                           | G9-2 (SPI+) - G9-4 (E) | W*3, LA-LG*4 - W-B | Sound signal | Audio system playing | A waveform synchronized with sound is output | 
                        
                           | G9-3 (SPI-) - G9-4 (E) | B*3, LA-L*4 - W-B | Sound signal | Audio system playing | A waveform synchronized with sound is output | 
                        
                           | G9-4 (E) - Body ground | W-B - Body ground | Ground | Always | Below 1 V | 
                        
                           | G9-5 (SPO+) - G9-4 (E) | L*3, LA-BE*4 - W-B | Sound signal | Audio system playing, or Emergency call mode | A waveform synchronized with sound is output | 
                        
                           | G9-6 (SPO-) - G9-4 (E) | Y*3, LA-R*4 - W-B | Sound signal | Audio system playing, or Emergency call mode | A waveform synchronized with sound is output | 
                        
                           | G9-7 (IG2) - G9-4 (E) | LG - W-B | IG power supply | Power switch on (IG) | 11 to 14 V | 
                        
                           | Power switch off | Below 1 V | 
                        
                           | G9-8 (ACC) - G9-4 (E) | B - W-B | ACC power supply | Power switch on (ACC) | 11 to 14 V | 
                        
                           | Power switch off | Below 1 V | 
                        
                           | G9-9 (SLED) - G9-4 (E) | SB - W-B | Manual (SOS) switch illumination power supply | Power switch on (ACC) | 11 to 14 V | 
                        
                           | Power switch off | Below 1 V | 
                        
                           | G9-11 (IND1) - G9-4 (E) | P - W-B | Manual (SOS) switch red indicator illumination signal | For 2 seconds after turning the power switch on (IG) | 1 to 8.5 V | 
                        
                           | Power switch off | Below 1 V | 
                        
                           | G9-12 (IND2) - G9-4 (E) | LG - W-B | Manual (SOS) switch green indicator illumination signal | For 2 seconds after turning the power switch on (IG) | 1 to 8.5 V | 
                        
                           | Power switch off | Below 1 V | 
                        
                           | G9-15 (CANP) | R | CAN communication signal | - | - | 
                        
                           | G9-16 (CANN) | B | CAN communication signal | - | - | 
                        
                           | G9-17 (MUTE) - G9-4 (E) | BE - W-B | Mute signal | Audio system playing | 3.5 V or higher | 
                        
                           | Emergency call mode | Below 1 V | 
                        
                           | G9-18 (MCO+) - G9-4 (E)*1 | SB - W-B | Sent microphone voice signal | See "Check Microphone" 
                                 
                                    
                                       
                                          ![2019 - 2020 MY Avalon HV [04/2018 - 08/2020]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for HV Model): OPERATION CHECK](/t3Portal/stylegraphics/info.gif)  | - | 
                        
                           | G9-18 (MCO+) - G9-4 (E)*2 | SB - W-B | Sent microphone voice signal | See "Check Microphone" 
                                 
                                    
                                       
                                          ![2019 - 2020 MY Avalon HV [04/2018 - 08/2020]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for HV Model): OPERATION CHECK](/t3Portal/stylegraphics/info.gif)  | - | 
                        
                           | G9-19 (MCO-) - G9-4 (E)*1 | V - W-B | Sent microphone voice signal | See "Check Microphone" 
                                 
                                    
                                       
                                          ![2019 - 2020 MY Avalon HV [04/2018 - 08/2020]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for HV Model): OPERATION CHECK](/t3Portal/stylegraphics/info.gif)  | - | 
                        
                           | G9-19 (MCO-) - G9-4 (E)*2 | V - W-B | Sent microphone voice signal | See "Check Microphone" 
                                 
                                    
                                       
                                          ![2019 - 2020 MY Avalon HV [04/2018 - 08/2020]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for HV Model): OPERATION CHECK](/t3Portal/stylegraphics/info.gif)  | - | 
                        
                           | G9-24 (GSW) - G9-4 (E) | W - W-B | Collision detection signal | Power switch on (IG) | Pulse generation (Refer to waveform 1) | 
                        
                           | G9-26 (SIG-) - G9-4 (E) | GR - W-B | Ground | Always | Below 1 V | 
                        
                           | G9-27 (SIG1) - G9-4 (E) | B - W-B | Manual (SOS) switch condition signal | Manual (SOS) switch not pressed | 1.5 to 2.0 V | 
                        
                           | Manual (SOS) switch pressed | 0.5 to 0.8 V | 
                        
                           | G9-32 (SGND) - G9-4 (E) | Shield - W-B | Shield ground | Always | Below 1 V | 
                        
                           | G9-33 (MCVD) - G9-4 (E) | B - W-B | Telephone microphone assembly power supply | Power switch off | Below 1 V | 
                        
                           | Power switch on (ACC) | 4 to 6 V | 
                        
                           | G9-34 (MCI+) - G9-4 (E)*1 | W - W-B | Receive microphone voice signal | See "Check Microphone" 
                                 
                                    
                                       
                                          ![2019 - 2020 MY Avalon HV [04/2018 - 08/2020]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for HV Model): OPERATION CHECK](/t3Portal/stylegraphics/info.gif)  | - | 
                        
                           | G9-34 (MCI+) - G9-4 (E)*2 | W - W-B | Receive microphone voice signal | See "Check Microphone" 
                                 
                                    
                                       
                                          ![2019 - 2020 MY Avalon HV [04/2018 - 08/2020]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for HV Model): OPERATION CHECK](/t3Portal/stylegraphics/info.gif)  | - | 
                        
                           | G9-35 (MCI-) - G9-4 (E)*1 | R - W-B | Receive microphone voice signal | See "Check Microphone" 
                                 
                                    
                                       
                                          ![2019 - 2020 MY Avalon HV [04/2018 - 08/2020]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for HV Model): OPERATION CHECK](/t3Portal/stylegraphics/info.gif)  | - | 
                        
                           | G9-35 (MCI-) - G9-4 (E)*2 | R - W-B | Receive microphone voice signal | See "Check Microphone" 
                                 
                                    
                                       
                                          ![2019 - 2020 MY Avalon HV [04/2018 - 08/2020]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for HV Model): OPERATION CHECK](/t3Portal/stylegraphics/info.gif)  | - |