Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSHONDA2020CIVIC SPORT, 4D HATCHBACK, STANDARD TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTENTERTAINMENT SYSTEMSAUDIO / VISUAL SYSTEM - TESTING & TROUBLESHOOTING
2020 Honda Civic Sport, 4D Hatchback, Standard Trans
Audio / Visual System - Testing & Troubleshooting
2020 Honda Civic Sport, 4D Hatchback, Standard TransSECTION Audio / Visual System - Testing & Troubleshooting
- Connector View
- 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 (2/4 door: Color Audio Type (5-inch Screen)) (2016 2017 2018)
- Audio Unit Connector for Inputs and Outputs (2/4-door: Color Audio Type (5-inch Screen)) (2018 2019 2020 2021)
- Audio Unit Connector for Inputs and Outputs (2/4-door: Display Audio Type (7-inch Screen)) (2018 2019 2020 2021)
- Audio Unit Connector for Inputs and Outputs (5-door: Color Audio Type (5-inch Screen)) (2017 2018 2019 2020 2021)
- Audio Unit Connector for Inputs and Outputs (5-door: Display Audio Type (7-inch Screen)) (2017 2018 2019 2020 2021)
- Audio Unit Connector for Inputs and Outputs (Display Audio Type (7-inch Screen)) (2016 2017 2018)
- Audio-Navigation Unit Connector for Inputs and Outputs (2016 2017 2018)
- Audio-Navigation Unit Connector for Inputs and Outputs (2/4-door) (2018 2019 2020 2021)
- Audio-Navigation Unit Connector for Inputs and Outputs (5-door) (2017 2018 2019 2020 2021)
- Center Display Unit Connector for Inputs and Outputs
- HFL Microphone Connector for Inputs and Outputs
- Rearview Camera Connector for Inputs and Outputs
- Stereo Amplifier Connector for Inputs and Outputs (2/4-door)
- Stereo Amplifier Connector for Inputs and Outputs (5-door) (2017 2018 2019 2020 2021)
- Tuner Unit Connector for Inputs and Outputs
- General Information
- Test
- Symptom Troubleshooting Index for Viewer
- AM radio reception changes at night (Display Audio Type (7-inch Screen))
- AM/FM radio display is blank or no station information is displayed (Display Audio Type (7-inch Screen))
- AM/FM radio preset memory is lost (Color Audio Type (5-inch Screen))
- AM/FM radio preset memory is lost (Display Audio Type (7-inch Screen))
- Active sound control does not work (Display Audio Type (7-inch Screen))
- Audio remote-HFL switch does not work properly (audio unit buttons work) (Color Audio Type (5-inch Screen))
- Audio remote-HFL switch does not work properly (audio unit buttons work) (Display Audio Type (7-inch Screen))
- Audio system sound is weak or distorted (display is normal) (Color Audio Type (5-inch Screen))
- Audio system sound is weak or distorted (display is normal) (Display Audio Type (7-inch Screen))
- Audio unit button does not work (Color Audio Type (5-inch Screen))
- Audio unit button illumination does not work (Color Audio Type (5-inch Screen))
- Audio unit does not exit anti-theft mode (Color Audio Type (5-inch Screen))
- Audio unit does not exit anti-theft mode (Display Audio Type (7-inch Screen))
- Audio unit will not turn on (No information display) (Color Audio Type (5-inch Screen))
- Audio unit will not turn on (No information display) (Display Audio Type (7-inch Screen))
- Audio-navigation unit power will not turn on (No information display)
- Bluetooth audio does not work
- Bluetooth audio does not work (Color Audio Type (5-inch Screen))
- Bluetooth audio does not work (Display Audio Type (7-inch Screen))
- Center display unit button does not work (Display Audio Type (7-inch Screen))
- Center display unit does not dim (Display Audio Type (7-inch Screen))
- Clock will not set to correct time
- Excessive transition between analog broadcast and digital HD Radio (TM) broadcast (Display Audio Type (7-inch Screen))
- HD Radio (TM) changes HD channel on its own (Display Audio Type (7-inch Screen))
- HFL does not work properly
- LaneWatch camera image does not come on
- LaneWatch camera image does not come on (Display Audio Type (7-inch Screen))
- Navigation system stays on the CSF screen
- Navigation touch panel does not work
- No HD traffic information
- No sound is heard from all the speakers (display is normal) (Color Audio Type (5-inch Screen))
- No sound is heard from all the speakers (display is normal) (Display Audio Type (7-inch Screen))
- Pandora is not is displayed as an audio source (Display Audio Type (7-inch Screen))
- Poor AM or FM radio reception or interference (Color Audio Type (5-inch Screen))
- Poor GPS reception or interference
- Poor or no sound with AM/FM radio (Display Audio Type (7-inch Screen))
- Rearview camera image does not change when selecting different views
- Rearview camera image does not change when selecting different views (Color Audio Type (5-inch Screen))
- Rearview camera image does not change when selecting different views (Display Audio Type (7-inch Screen))
- Rearview camera image does not come on
- Rearview camera image does not come on (Color Audio Type (5-inch Screen))
- Rearview camera image does not come on (Display Audio Type (7-inch Screen))
- System always comes up in-line diagnostic mode
- System always comes up in-line diagnostic mode (without navigation) (Display Audio Type (7-inch Screen))
- The Honda approved Bluetooth cell phone cannot use all its functions
- The Honda approved Bluetooth cell phone does not place or receive calls using the HFL system
- The Honda approved Bluetooth cell phone is having problems pairing to the vehicle
- The MID does not display the audio unit information (Display Audio Type (7-inch Screen))
- The MID does not display the audio-navigation unit information
- USB device does not function (Color Audio Type (5-inch Screen))
- USB device does not function (Display Audio Type (7-inch Screen))
- Vehicle position icon wanders across the map when driving (does not follow a displayed road) or map vehicle ICON spins
- Voice control does not work/respond
- Voice guidance cannot be heard, is broken up, or there is static
- Volume does not increase with speed(Color Audio Type (5-inch Screen))
- Volume does not increase with speed (Display Audio Type (7-inch Screen))
- Volume is too high or too low when driving at freeway speeds (Color Audio Type (5-inch Screen))
- Volume is too high or too low when driving at freeway speeds (Display Audio Type (7-inch Screen))
- XM radio display is blank and no station information is displayed (Display Audio Type (7-inch Screen))
- Circuit Diagram
- Audio and Visual System Circuit Diagram (5-door with Navigation) (2017 2018 2019 2020 2021)
- Audio and Visual System Circuit Diagram (5-door: Without Navigation, Color Audio Type (5-inch Screen)) (2017 2018 2019 2020 2021)
- Audio and Visual System Circuit Diagram (5-door: Without Navigation, Display Audio Type (7-inch Screen)) (2017 2018 2019 2020 2021)
- Audio and Visual System Circuit Diagram (KA/KC models 2/4 door: Without Navigation, Color Audio Type (5-inch Screen)) (2016 2017 2018)
- Audio and Visual System Circuit Diagram (KA/KC models 2/4 door: Without Navigation, Display Audio Type (7-inch Screen)) (2016 2017 2018)
- Audio and Visual System Circuit Diagram (KA/KC models 2/4-door: With Navigation) (2016 2017 2018)
- Audio and Visual System Circuit Diagram (KA/KC models 2/4-door: With Navigation) (2018 2019 2020 2021)
- Audio and Visual System Circuit Diagram (KA/KC models 2/4-door: Without Navigation, Color Audio Type (5-inch Screen)) (2018 2019 2020 2021)
- Audio and Visual System Circuit Diagram (KA/KC models 2/4-door: Without Navigation, Display Audio Type (7-inch Screen)) (2018 2019 2020 2021)
- Repair Regeneration
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.