Honda HR-V Owners & Service Manuals

Honda HR-V: Audio System Diagnostic Mode (Without Navigation, Display Audio Type (7-inch Screen) )

Honda HR-V (2015-2021) Service Manual / Accessories & Equipment / Audio Visual Systems - Testing & Troubleshooting / Testing / Audio System Diagnostic Mode (Without Navigation, Display Audio Type (7-inch Screen) )

NOTE:

  • This diagnosis is applied to the audio unit (without navigation) only. Refer to the navigation system section for audio-navigation unit System Diagnostic Mode.
  • The screens detail indicated may change depending on equipment or specification.

Start-Up Procedure and Diagnostic Menu

NOTE: Check the vehicle 12 volt battery condition first.

1. Start the engine

2. At any screen except the HOME screen, use the audio unit buttons:

NOTE: When HOME screen is displayed, the HOME button illumination goes out, and is hard to check.

Press and hold the EJECT button, the POWER button, and the HOME button until the

Select Diagnosis Items menu screen is displayed:

  • Self-Diagnosis Mode (runs the automatic diagnosis of the audio system)
  • Detail Information & Setting (allows you to manually diagnose the audio system)

Displaying Select Diagnosis Items Menu Screen

Audio Visual Systems - Testing & Troubleshooting

System Links

1. Select the Self-Diagnosis Mode from the Select Diagnosis Items menu. The message at the bottom of the screen flashes indicating "Diagnosis in progress..." While the diagnosis is running, do not turn the vehicle to the OFF (LOCK) mode.

NOTE: The display differs depending on the equipments and specifications.

Audio Visual Systems - Testing & Troubleshooting

2. The diagnosis tests the following:

  • Most of the wires connecting the external audio components shown in the block diagram.
  • The results from the various components shown in the block diagram.
  • The audio unit checks the microphone by listening to the bong sound produced by the audio unit from the speakers when the diagnosis is started. This requires that the audio system be operating normally.

3. When the diagnosis finishes, the icons turn different colors based on their test status.

NOTE: By selecting the Help icon, you can see a description for each color.

Audio Visual Systems - Testing & Troubleshooting

*: The F-CAN icon and the B-CAN icon turns red when the vehicle is in ACCESSORY mode. Check the System Links with the engine running, and if the F-CAN icon and the B-CAN icon turns green, the system is OK at this time.

4. Select the icon to see the details of that diagnostic function. The icon colors on the screen may not change until you exit and reenter the Self-Diagnosis mode. In some cases, you may have to restart the engine for the indication to change. After you repair the affected component or harness, repeat this diagnosis.

Factory Diagnostic Screen In Line Diag

If the vehicle left the factory in the factory diagnostic mode, you will see this screen every time you turn the vehicle to the ON mode. Sometimes this screen also appears after you replace the audio unit with a new or remanufactured unit.

Normally the factory does the steps necessary to verify proper operation and terminate the factory diagnosis. Until the proper confirmation sequence is done, the screen appears every time you turn the vehicle to the ON mode.

Audio Visual Systems - Testing & Troubleshooting

NOTE: The system cannot complete a full diagnosis unless vehicle is in the ON mode.

1. Select the Start Diag icon to check the connection between the audio unit and related components. When the connection diagnosis is in progress, the icon (A) indicates Detecting..., and each icon turns white. If the connection is OK, the icon turns green. If the connection is NG, the icon turns red. Check for connection between the audio unit and related unit on the failure connection line.

NOTE: When the item is a variation equipment, the icon shows yellow, and it is not reflected in diagnosis

2. If the connection diagnosis is finished, press the steering commander switch buttons (the TALK button, the PICK-UP button, and the HANG-UP/BACK button) to check the HFL switch. As each button is pressed, the corresponding icon on the display should turn green

3. If all the diagnosis are OK, the icon (A) indicates OK. Select the EXIT Diag icon to exit the diagnostic mode. The In Line Diag should not appear again.

Forced Completing of In Line Diag

Follow the steps below to prevent the screen from showing up in the future:

1. While displaying the In Line Diag screen, press and hold the EJECT button, the POWER (Audio Visual Systems - Testing & Troubleshooting) button, and the HOME button until the Select Diagnosis Items menu screen is displayed.

2. While displaying the Select Diagnosis Items menu screen, press and hold the HOME button until the In Line Diag setting screen is displayed.

Audio Visual Systems - Testing & Troubleshooting

3. Set the Inline Diag Setting to OK (complete). The system restarts and a normal start-up process occurs. The In Line Diag should not appear again.

Detail Information & Setting

This section allows you to run a specific diagnosis and allows additional setting choices for some screens that are not shown when touching an icon from the System Links screen.

Select the item you want to check, and the test begins. To return to the previous screen, select the Return icon.

  • Monitor Check
  • Unit Check
  • Audio Check
  • Guideline Setup
  • Functional Setup
  • B-CAN
  • F-CAN
  • Version
  • Vehicle Status
  • GPS Information

Audio Visual Systems - Testing & Troubleshooting

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     Monitor Check - Audio System Diagnostic Mode

    Overview of the audio unit display. These screens allow you to troubleshoot the LCD display built into the audio unit. Select the item you want to check, and follow the diagnostic instructions. RGB

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    These screens allow you to diagnose the audio unit and related units. Some of the tests and screens that are displayed under the Unit Check are same as the checks listed under the Detail Information

     Audio Check - Audio System Diagnostic Mode

    These screens allow you to troubleshoot the audio function. ANC Check (Not supported) Speaker Check (B) Speaker Check NOTE: Make sure the audio system is off before this diagnosis. While doing

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