Audio Visual Systems - Troubleshooting
- How to Information
- Symptom Troubleshooting Index
- Description & Operation
- Diagnostic Mode
- Audio and Visual System Diagnostic Mode (Color Audio Type (7-inch Screen))
- Audio and Visual System Diagnostic Mode (Display Audio Type (9-inch Screen))
- Notes
- Start-Up Procedure and Diagnostic Menu
- Diagnostic Layer
- Self-Diagnosis Mode (System Links)
- Factory Diagnostic Screen In Line Diag and Linking
- Forced Completing of In Line Diag and Linking
- Detail Information and Setting
- Monitor Check
- Unit Check (Quick Check)
- Audio Check
- Camera Setup
- Functional Setup
- Save User's Memory
- Alexa Diag
- Anti-Theft Skip
- Other
- Version
- GPS Information
- System Update
- Smartphone Information
- DTC Troubleshooting Index
- Troubleshooting
- AcuraLink Symptom Troubleshooting - AcuraLink services do not work
- Audio and Visual System Symptom Troubleshooting - Audio remote-HFL switch does not work properly (audio unit buttons work) (Color Audio Type (7-inch Screen))
- Audio and Visual System Symptom Troubleshooting - Audio remote-HFL switch does not work properly (audio unit buttons work) (Display Audio Type (9-inch Screen))
- Audio and Visual System Symptom Troubleshooting - Audio system sound is weak or distorted (display is normal) (Color Audio Type (7-inch Screen))
- Notes
- Inspection Outline
- Related Information
- Speaker Inspection
- FL_SPKR+, FL_SPKR- Open Wire Inspection (Door Speaker)
- FR_SPKR+, FR_SPKR- Open Wire Inspection (Door Speaker)
- RL_SPKR+, RL_SPKR- Open Wire Inspection (Door Speaker)
- RR_SPKR+, RR_SPKR- Open Wire Inspection (Door Speaker)
- FL_SPKR+, FL_SPKR- Open Wire Inspection (Tweeter)
- FR_SPKR+, FR_SPKR- Open Wire Inspection (Tweeter)
- RL_SPKR+, RL_SPKR- Open Wire Inspection (Tweeter)
- RR_SPKR+, RR_SPKR- Open Wire Inspection (Tweeter)
- Audio Unit Inspection
- Audio and Visual System Symptom Troubleshooting - Audio system sound is weak or distorted (display is normal) (Display Audio Type (9-inch Screen))
- Notes
- Inspection Outline
- Related Information
- Speaker Inspection
- +B_AUDIO_AMP, GND Circuit Inspection
- FL_SPKR+, FL_SPKR- Circuit Inspection
- FR_SPKR+, FR_SPKR- Circuit Inspection
- SATL_SP+(N/W_IN), SATL_SP-(N/W_IN) Circuit Inspection
- SATR_SP+(N/W_IN), SATR_SP-(N/W_IN) Circuit Inspection
- CTR_SPKR+, CTR_SPKR- Circuit Inspection
- SUB_WOOFER+, SUB_WOOFER- Circuit Inspection
- RL_DOOR_SPKR+, RL_DOOR_SPKR- Circuit Inspection
- RR_DOOR_SPKR+, RR_DOOR_SPKR- Circuit Inspection
- FL_TWEETER+, FL_TWEETER- Circuit Inspection
- FR_TWEETER+, FR_TWEETER- Circuit Inspection
- SATR_TWEETER+, SATR_TWEETER- Circuit Inspection
- SATL_TWEETER+, SATL_TWEETER- Circuit Inspection
- Stereo Amplifier Inspection
- Audio and Visual System Symptom Troubleshooting - Audio unit will not turn on (No information display) (Color Audio Type (7-inch Screen)) (2023)
- Audio and Visual System Symptom Troubleshooting - Audio unit will not turn on (No information display) (Color Audio Type (7-inch Screen)) (2024 2025)
- Audio and Visual System Symptom Troubleshooting - Audio unit will not turn on (No information display) (Display Audio Type (9-inch Screen), With Auto Idle Stop System) (2024 2025)
- Notes
- Inspection Outline
- Related Information
- +B_VST_ACC, ACC, GND Circuit Inspection
- IG1_WITH_DIODE_FMVSS Open Wire Inspection
- +B_AUDIO, +B_AUDIO_SUB, GND Circuit Inspection
- +B_AUDIO, DISP_CONT, GND Circuit Inspection
- LVDS1+, LVDS1-, LVDS1_SH Circuit Inspection
- Center Display Unit Inspection
- Audio Unit Inspection
- Audio and Visual System Symptom Troubleshooting - Audio unit will not turn on (No information display) (Display Audio Type (9-inch Screen), Without Auto Idle Stop System) (2024 2025)
- Audio and Visual System Symptom Troubleshooting - Audio unit will not turn on (No information display) (Display Audio Type (9-inch Screen)) (2023)
- Notes
- Inspection Outline
- Related Information
- +B_VST_ACC, ACC, GND Circuit Inspection
- IG1_WITH_DIODE_FMVSS Open Wire Inspection
- +B AUDIO, +B AUDIO_SUB, GND Circuit Inspection
- +B AUDIO, DISP_CONT, GND Circuit Inspection
- LVDS1+, LVDS1-, LVDS1_SH Circuit Inspection
- Center Display Unit Inspection
- Audio Unit Inspection
- Audio and Visual System Symptom Troubleshooting - Booming sound while driving with audio unit on or off
- Notes
- Inspection Outline
- Related Information
- HDS Function
- +B_BACK_UP, IG1_METER, SWD+B, GND Circuit Inspection
- ANC_F_MIC+8V, SH_ANC_F_MIC Circuit Inspection
- PF-CAN A_H, PF-CAN A_L Open Wire Inspection
- ANC_F+, ANC_R+, ANC_F-, ANC_R- Circuit Inspection
- HFL Microphone Inspection
- Active Sound Control Unit Inspection
- Stereo Amplifier Inspection
- Audio and Visual System Symptom Troubleshooting - Charge-only USB port does not work (2023)
- Audio and Visual System Symptom Troubleshooting - Charge-only USB port does not work (2024 2025)
- Audio and Visual System Symptom Troubleshooting - Microphone does not recognize driver's or front passenger's voice
- Audio and Visual System Symptom Troubleshooting - No sound is heard from all the speakers (display is normal) (Color Audio Type (7-inch Screen))
- Audio and Visual System Symptom Troubleshooting - No sound is heard from all the speakers (display is normal) (Display Audio Type (9-inch Screen))
- Audio and Visual System Symptom Troubleshooting - Poor or no sound with AM/FM radio (Color Audio Type (7-inch Screen))
- Audio and Visual System Symptom Troubleshooting - Poor or no sound with AM/FM radio (Display Audio Type (9-inch Screen))
- Audio and Visual System Symptom Troubleshooting - Rearview camera image does not change when selecting different views
- Audio and Visual System Symptom Troubleshooting - Rearview camera image does not come on
- Audio and Visual System Symptom Troubleshooting - USB data communication port does not work
- Audio and Visual System Symptom Troubleshooting - Volume does not increase with speed (Color Audio Type (7-inch Screen))
- Audio and Visual System Symptom Troubleshooting - Volume does not increase with speed (Display Audio Type (9-inch Screen))
- Connector View
- ANC/Active Sound Control Microphone Connector for Inputs and Outputs
- ANC/Active Sound Control Unit Connector for Inputs and Outputs
- Audio Remote-HFL Switch Connector for Inputs and Outputs
- Audio Unit Connector for Inputs and Outputs (Color Audio Type (7-inch Screen)) (2023)
- Audio Unit Connector for Inputs and Outputs (Color Audio Type (7-inch Screen)) (2024 2025)
- Audio Unit Connector for Inputs and Outputs (Display Audio Type (9-inch Screen)) (2023)
- Audio Unit Connector for Inputs and Outputs (Display Audio Type (9-inch Screen)) (2024 2025)
- Center Display Unit Connector for Inputs and Outputs
- Rearview Camera Connector for Inputs and Outputs
- Stereo Amplifier Connector for Inputs and Outputs
- Telematics Control Unit Connector for Inputs and Outputs
- Tuner Unit Connector for Inputs and Outputs
- USB Charger Unit Connector for Inputs and Outputs (2023)
- USB Charger Unit Connector for Inputs and Outputs (2024 2025)
- Component Location Index
- Symptom Troubleshooting Index for Viewer
- AM radio reception changes at night (Display Audio Type (9-inch Screen))
- AM radio reception changes at night (Display Audio Type (9-inch Screen)) (2023)
- AM/FM radio display is blank or no station information is displayed (Display Audio Type (9-inch Screen))
- AM/FM radio display is blank or no station information is displayed (Display Audio Type (9-inch Screen)) (2023)
- AM/FM radio preset memory is lost (Color Audio Type (7-inch Screen))
- AM/FM radio preset memory is lost (Color Audio Type (7-inch Screen)) (2023)
- AM/FM radio preset memory is lost (Display Audio Type (9-inch Screen))
- AM/FM radio preset memory is lost (Display Audio Type (9-inch Screen)) (2023)
- AcuraLink services do not work
- AcuraLink services do not work (2023)
- Audio remote-HFL switch does not work properly (audio unit buttons work) (Color Audio Type (7-inch Screen))
- Audio remote-HFL switch does not work properly (audio unit buttons work) (Color Audio Type (7-inch Screen)) (2023)
- Audio remote-HFL switch does not work properly (audio unit buttons work) (Display Audio Type (9-inch Screen))
- Audio remote-HFL switch does not work properly (audio unit buttons work) (Display Audio Type (9-inch Screen)) (2023)
- Audio system sound is weak or distorted (display is normal) (Color Audio Type (7-inch Screen))
- Audio system sound is weak or distorted (display is normal) (Color Audio Type (7-inch Screen)) (2023)
- Audio system sound is weak or distorted (display is normal) (Display Audio Type (9-inch Screen))
- Audio system sound is weak or distorted (display is normal) (Display Audio Type (9-inch Screen)) (2023)
- Audio unit does not exit anti-theft mode (Color Audio Type (7-inch Screen))
- Audio unit does not exit anti-theft mode (Color Audio Type (7-inch Screen)) (2023)
- Audio unit does not exit anti-theft mode (Display Audio Type (9-inch Screen))
- Audio unit does not exit anti-theft mode (Display Audio Type (9-inch Screen)) (2023)
- Audio unit will not turn on (No information display) (Color Audio Type (7-inch Screen))
- Audio unit will not turn on (No information display) (Color Audio Type (7-inch Screen)) (2023)
- Audio unit will not turn on (No information display) (Display Audio Type (9-inch Screen))
- Audio unit will not turn on (No information display) (Display Audio Type (9-inch Screen)) (2023)
- Bluetooth audio does not work (Color Audio Type (7-inch Screen))
- Bluetooth audio does not work (Color Audio Type (7-inch Screen)) (2023)
- Bluetooth audio does not work (Display Audio Type (9-inch Screen))
- Bluetooth audio does not work (Display Audio Type (9-inch Screen)) (2023)
- Booming sound while driving with audio unit on or off (Display Audio Type (9-inch Screen))
- Booming sound while driving with audio unit on or off (Display Audio Type (9-inch Screen)) (2023)
- Center display unit button does not work (Display Audio Type (9-inch Screen))
- Center display unit button does not work (Display Audio Type (9-inch Screen)) (2023)
- Charge-only USB port does not work (Color Audio Type (7-inch Screen))
- Charge-only USB port does not work (Color Audio Type (7-inch Screen)) (2023)
- Charge-only USB port does not work (Display Audio Type (9-inch Screen))
- Charge-only USB port does not work (Display Audio Type (9-inch Screen)) (2023)
- Clock will not set to correct time (Display Audio Type (9-inch Screen))
- Clock will not set to correct time (Display Audio Type (9-inch Screen)) (2023)
- Excessive transition between analog broadcast and digital HD Radio™ broadcast (Display Audio Type (9-inch Screen))
- Excessive transition between analog broadcast and digital HD Radio™ broadcast (Display Audio Type (9-inch Screen)) (2023)
- HD Radio™ changes HD channel on its own (Display Audio Type (9-inch Screen))
- HD Radio™ changes HD channel on its own (Display Audio Type (9-inch Screen)) (2023)
- Microphone does not recognize driver's or front passenger's voice (Color Audio Type (7-inch Screen))
- Microphone does not recognize driver's or front passenger's voice (Color Audio Type (7-inch Screen)) (2023)
- Microphone does not recognize driver's or front passenger's voice (Display Audio Type (9-inch Screen))
- Microphone does not recognize driver's or front passenger's voice (Display Audio Type (9-inch Screen)) (2023)
- No GNSS reception or interference (Color Audio Type (7-inch Screen))
- No GNSS reception or interference (Color Audio Type (7-inch Screen)) (2023)
- No GNSS reception or interference (Display Audio Type (9-inch Screen))
- No GNSS reception or interference (Display Audio Type (9-inch Screen)) (2023)
- No sound is heard from all the speakers (display is normal) (Color Audio Type (7-inch Screen))
- No sound is heard from all the speakers (display is normal) (Color Audio Type (7-inch Screen)) (2023)
- No sound is heard from all the speakers (display is normal) (Display Audio Type (9-inch Screen))
- No sound is heard from all the speakers (display is normal) (Display Audio Type (9-inch Screen)) (2023)
- Poor or no sound with AM/FM radio (Color Audio Type (7-inch Screen))
- Poor or no sound with AM/FM radio (Color Audio Type (7-inch Screen)) (2023)
- Poor or no sound with AM/FM radio (Display Audio Type (9-inch Screen))
- Poor or no sound with AM/FM radio (Display Audio Type (9-inch Screen)) (2023)
- Rearview camera image does not change when selecting different views (Color Audio Type (7-inch Screen))
- Rearview camera image does not change when selecting different views (Color Audio Type (7-inch Screen)) (2023)
- Rearview camera image does not change when selecting different views (Display Audio Type (9-inch Screen))
- Rearview camera image does not change when selecting different views (Display Audio Type (9-inch Screen)) (2023)
- Rearview camera image does not come on (Color Audio Type (7-inch Screen))
- Rearview camera image does not come on (Color Audio Type (7-inch Screen)) (2023)
- Rearview camera image does not come on (Display Audio Type (9-inch Screen))
- Rearview camera image does not come on (Display Audio Type (9-inch Screen)) (2023)
- System always comes up in-line diagnostic mode (Display Audio Type (9-inch Screen))
- System always comes up in-line diagnostic mode (Display Audio Type (9-inch Screen)) (2023)
- The MID does not display the audio unit information (Display Audio Type (9-inch Screen))
- The MID does not display the audio unit information (Display Audio Type (9-inch Screen)) (2023)
- USB data communication port does not work (Color Audio Type (7-inch Screen))
- USB data communication port does not work (Color Audio Type (7-inch Screen)) (2023)
- USB data communication port does not work (Display Audio Type (9-inch Screen))
- USB data communication port does not work (Display Audio Type (9-inch Screen)) (2023)
- Volume does not increase with speed (Color Audio Type (7-inch Screen))
- Volume does not increase with speed (Color Audio Type (7-inch Screen)) (2023)
- Volume does not increase with speed (Display Audio Type (9-inch Screen))
- Volume does not increase with speed (Display Audio Type (9-inch Screen)) (2023)
- Volume is too high or too low when driving at freeway speeds (Color Audio Type (7-inch Screen))
- Volume is too high or too low when driving at freeway speeds (Color Audio Type (7-inch Screen)) (2023)
- Volume is too high or too low when driving at freeway speeds (Display Audio Type (9-inch Screen))
- Volume is too high or too low when driving at freeway speeds (Display Audio Type (9-inch Screen)) (2023)
- XM radio display is blank and no station information is displayed (Display Audio Type (9-inch Screen))
- XM radio display is blank and no station information is displayed (Display Audio Type (9-inch Screen)) (2023)
- General Information