Audio Visual Systems - Testing And Troubleshooting
- Symptom Troubleshooting Index
- Circuit Diagram
- How to Information
- How to Troubleshoot the AcuraLink™
- How to Troubleshoot the Audio and Visual System
- Before Troubleshooting
- General Operation
- Anti-Theft Feature
- Symptom Duplication
- LCD Unit/Touchpad Unit Limitations
- Global Positioning System (GPS) Limitations
- Navigation Symptom Diagnosis (With Navigation)
- HandsFreeLink Symptom Diagnosis
- How to Check Error History (Audio and Visual System Hard Error Codes)
- Error Code List
- Repair Procedures, Tests
- Audio and Visual System Diagnostic Mode
- Notes
- Start-Up Procedure and Diagnostic Menu
- 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)
- Notes
- ICU
- Display
- INIC
- Most Nodes
- Meter (HUD)
- CAN Gateways
- USB
- TCU (With AcuraLink™
- TCU Diag (With AcuraLink™)
- Hard Key
- Error History
- AM/FM/HD Radio
- XM (With XM)
- Rear Camera (Without Multi View Camera System)
- MVC (Multi View Camera) (With Multi View Camera System)
- GPS Antenna
- Gyroscope
- Bluetooth®
- Wi-Fi
- HFT-Mic
- EMMC
- Apple IC
- PMIC ('19-21)
- Sub-Micro ('22-23)
- Touchpad
- Audio Check
- Functional Setup
- CB SW/HW Traceability
- Bootloader Info
- Car Status
- Hardware Auto-Detect
- Temperature
- OTA DTC
- Touchpad Diagnostics
- HD Traffic Radio
- Shutdown Reason
- Audio and Visual System Diagnostic Mode
- 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
- Auxiliary Jack Assembly Connector for Inputs and Outputs
- Center Display Unit Connector for Inputs and Outputs
- Infotainment Control Unit Connector for Inputs and Outputs (2019 2020 2021)
- Infotainment Control Unit Connector for Inputs and Outputs (2022 2023)
- Rearview Camera Connector for Inputs and Outputs
- Stereo Amplifier Connector for Inputs and Outputs (With 12 Speakers/With 9 Speakers)
- Stereo Amplifier Connector for Inputs and Outputs (With 16 Speakers)
- Telematics Control Unit Connector for Inputs and Outputs
- Touchpad Unit Connector for Inputs and Outputs
- Tuner Unit Connector for Inputs and Outputs
- USB Charger Unit Connector for Inputs and Outputs (2019 2020 2021)
- USB Charger Unit Connector for Inputs and Outputs (2022 2023)
- General Information
- Symptom Troubleshooting Index for Viewer
- AM Radio Reception Changes At Night
- AM/FM Radio Display Is Blank Or No Station Information Is Displayed
- AcuraLink™ Prompts Or Operator Voice Is Weak Or Cannot Be Heard
- AcuraLink™ Services Do Not Work
- AcuraLink™ System Status Indicator Indicates Solid Red
- Audio Remote-HFL Switch Does Not Work Properly (Touchpad Unit Buttons Work)
- Audio System Sound Is Weak Or Distorted (Display Is Normal)
- Auxiliary Input Sound Is Low Or Cannot Be Heard
- Bluetooth® Audio Does Not Work
- Booming Sound While Driving With Audio Unit ON or OFF
- Center Display Unit Will Not Turn OFF
- Center Display Unit Will Not Turn "ON" Or Has Turned "OFF" During Use (Blank Screen)
- Charge-Only USB Port Does Not Work
- Climate Control Panel (Audio Buttons) Does Not Work Properly (Touchpad Unit Buttons Work)
- Error Code: Check Antenna Is Displayed
- Excessive Transition Between Analog Broadcast And Digital HD RADIO™ Broadcast
- HD RADIO™ Changes HD Channel On Its Own
- HDS Does Not Communicate With The Vehicle And The Telematics Control Unit
- HFL Does Not Work Properly
- Infotainment Control Unit Does Not Exit Anti-Theft Mode
- Microphone Does Not Recognize Driver's Or Front Passenger's Voice
- No GPS Reception Or Interference
- No Sound Is Heard From All The Speakers (Display Is Normal)
- OTA Update Failure
- Poor Or No Sound With AM/FM Radio
- Rearview Camera Image Does Not Change When Selecting Different Views (Without Multi View Camera System)
- Rearview Camera Image Does Not Come On (Without Multi View Camera System)
- System Always Comes Up In-Line Diagnostic Mode
- The MID Does Not Display The Audio System Information (Without Head Up Display)
- The Head Up Display Does Not Display The Audio System Information
- Touchpad Unit Does Not Work Properly
- USB Data Communication Port Does Not Work
- XM Radio Display Is Blank And No Station Information Is Displayed
- Troubleshooting
- AcuraLink™ Symptom Troubleshooting - AcuraLink™ Prompts Or Operator Voice Is Weak Or Cannot Be Heard
- AcuraLink™ Symptom Troubleshooting - AcuraLink™ Services Do Not Work (2019 2020 2021)
- AcuraLink™ Symptom Troubleshooting - AcuraLink™ Services Do Not Work (2022 2023)
- Audio and Visual System Symptom Troubleshooting - Audio remote-HFL Switch Does Not Work Properly (Touchpad Unit Buttons Work)
- Audio and Visual System Symptom Troubleshooting - Audio System Sound Is Weak Or Distorted (Display Is Normal) (With 9 Speakers)
- Notes
- Inspection Area
- Inspection Outline
- Related Information
- Inspection
- Speaker Inspection
- Power Supply (+B_AUDIO_AMP), GND (PGND) Circuit Inspection
- Signal (FL17_SPKR+), Signal (FL17_SPKR-) Circuit Inspection
- Signal (FR17_SPKR+), Signal (FR17_SPKR-) Circuit Inspection
- Signal (FL9_SPKR+), Signal (FL9_SPKR-) Circuit Inspection
- Signal (FR9_SPKR+), Signal (FR9_SPKR-) Circuit Inspection
- Signal (RL_SPKR+), Signal (RL_SPKR-) Circuit Inspection
- Signal (RR_SPKR+), Signal (RR_SPKR-) Circuit Inspection
- Signal (SUB_WOOFER+), Signal (SUB_WOOFER-) Circuit Inspection
- Stereo Amplifier Inspection
- Audio and Visual System Symptom Troubleshooting - Audio System Sound Is Weak Or Distorted (Display Is Normal) (With 12 Speakers)
- Notes
- Inspection Area
- Inspection Outline
- Related Information
- Inspection
- Speaker Inspection
- Power Supply (+B_AUDIO_AMP), GND (PGND) Circuit Inspection
- Signal (FL17_SPKR+), Signal (FL17_SPKR-) Circuit Inspection
- Signal (FR17_SPKR+), Signal (FR17_SPKR-) Circuit Inspection
- Signal (FL9_SPKR+), Signal (FL9_SPKR-) Circuit Inspection
- Signal (FR9_SPKR+), Signal (FR9_SPKR-) Circuit Inspection
- Signal (FL_TWEETER+), Signal (FL_TWEETER-) Circuit Inspection
- Signal (FR_TWEETER+), Signal (FR_TWEETER-) Circuit Inspection
- Signal (FL_OVERHEAD_SPKR+), Signal (FL_OVERHEAD_SPKR-) Circuit Inspection
- Signal (FR_OVERHEAD_SPKR+), Signal (FR_OVERHEAD_SPKR-) Circuit Inspection
- Signal (RL_SPKR+), Signal (RL_SPKR-) Circuit Inspection
- Signal (RR_SPKR+), Signal (RR_SPKR-) Circuit Inspection
- Signal (CTR_SPKR+), Signal (CTR_SPKR-) Circuit Inspection
- Signal (SUB_WOOFER+), Signal (SUB_WOOFER-) Circuit Inspection
- Stereo Amplifier Inspection
- Audio and Visual System Symptom Troubleshooting - Audio System Sound Is Weak Or Distorted (Display Is Normal) (With 16 Speakers)
- Notes
- Inspection Area
- Inspection Outline
- Related Information
- Inspection
- Speaker Inspection
- Power Supply (+B_AUDIO_AMP), GND (PGND) Circuit Inspection
- Signal (FL17_SPKR+), Signal (FL17_SPKR-) Circuit Inspection
- Signal (FR17_SPKR+), Signal (FR17_SPKR-) Circuit Inspection
- Signal (FL9_SPKR+), Signal (FL9_SPKR-) Circuit Inspection
- Signal (FR9_SPKR+), Signal (FR9_SPKR-) Circuit Inspection
- Signal (FL_TWEETER+), Signal (FL_TWEETER-) Circuit Inspection
- Signal (FR_TWEETER+), Signal (FR_TWEETER-) Circuit Inspection
- Signal (FL_OVERHEAD_SPKR+), Signal (FL_OVERHEAD_SPKR-) Circuit Inspection
- Signal (FR_OVERHEAD_SPKR+), Signal (FR_OVERHEAD_SPKR-) Circuit Inspection
- Signal (RL_SPKR+), Signal (RL_SPKR-) Circuit Inspection
- Signal (RR_SPKR+), Signal (RR_SPKR-) Circuit Inspection
- Signal (RL_OH_SP+), Signal (RL_OH_SP-) Circuit Inspection
- Signal (RR_OH_SP+), Signal (RR_OH_SP-) Circuit Inspection
- Signal (SATL_SPKR+), Signal (SATL_SPKR-) Circuit Inspection
- Signal (SATR_SPKR+), Signal (SATR_SPKR-) Circuit Inspection
- Signal (CTR_SPKR+), Signal (CTR_SPKR-) Circuit Inspection
- Signal (SUB_WOOFER+), Signal (SUB_WOOFER-) Circuit Inspection
- Stereo Amplifier Inspection