Honda HR-V Owners & Service Manuals

Honda HR-V: Audio System Diagnostic Mode (Without Navigation, Color Audio Type (5-inch Screen) )

Honda HR-V (2015-2021) Service Manual / Accessories & Equipment / Audio Visual Systems - Testing & Troubleshooting / Testing / Audio System Diagnostic Mode (Without Navigation, Color Audio Type (5-inch Screen) )

Start-Up Procedure and Diagnostic Menu

NOTE: Check the vehicle 12 volt battery condition first.

1. Start the engine

2. Press the POWER (Audio Visual Systems - Testing & Troubleshooting) button to turn off the audio unit

3. Press and hold the preset No. 1 button and the preset No. 6 button. While holding the buttons, press the POWER (Audio Visual Systems - Testing & Troubleshooting) button. The display screen goes directly to the Manual Diag menu shown.

Audio Visual Systems - Testing & Troubleshooting

4. When you are in the system diagnostic mode, pressing a preset button starts the diagnosis that is assigned to that preset button. To return to the previous screen, press the RETURN button. To exit this mode, go to step

5. Once you exit this test, you must start again at step 1.

  • Preset No. 1 button: Version/System
  • Preset No. 2 button: AUDIO
  • Preset No. 3 button: Display
  • Preset No. 4 button: Camera
  • Preset No. 5 button: Connection
  • Preset No. 6 button: Vehicle information

5. To end the system diagnostic mode, press the POWER button, or turn the vehicle to the OFF mode.

How to Obtain the Audio Unit Serial Number

NOTE: This procedure can be done only before anti-theft mode is cancelled.

1. Turn the vehicle to the ON mode. Make sure the audio unit is in the anti-theft mode

2. Go into the System Diagnostic Mode, and select the Version/System diagnosis

3. The screen displays an 8-digit audio unit serial number.

Audio Visual Systems - Testing & Troubleshooting

4. Use all 8 numbers as the serial number when using the Interactive Network (iN) to retrieve the 5-digit anti-theft code.

Anti-Theft Temporary Cancellation

5. When the preset No. 3 button is pressed, the anti-theft mode is cancelled temporarily, and the system returns to the normal audio screen automatically.

Version/System

This diagnosis displays the current version information about each module in the audio unit, and result of the In Line Diag, and detects the hard keys.

To start the diagnosis, press the preset button to select the diagnosis number you want to check.

NOTE: Items not listed are not available in this model.

  • Preset No. 1 button: Version display
  • Preset No. 3 button: Anti-theft temporary cancellation (This item is always OFF after the anti-theft mode is cancelled)
  • Preset No. 4 button: Knob check
  • Preset No. 5 button: In Line Diag
  • Preset No. 6 button: Knob illumination check

Audio Visual Systems - Testing & Troubleshooting

Version Display

This screen displays for version number of each ECU in the audio unit.

Audio Visual Systems - Testing & Troubleshooting

Knob Check

This diagnosis checks the audio unit hard buttons, the HFL switch, and the audio remote switch.

As each function is tested, the corresponding button name should be displayed.

  • If any button of the audio unit does not respond, replace the audio panel or the audio unit - Refer to: Audio Unit Removal and Installation (Display Audio Type (7-inch Screen) ), or Audio Unit Removal and Installation (Color Audio Type (5-inch Screen) ).
  • If any button of the audio remote switch does not respond, do the audio remote switch test.
  • If any button of the HFL switch does not respond, do the HFL switch test.

Audio Visual Systems - Testing & Troubleshooting

In Line Diag

This diagnosis checks whether the audio unit is receiving each unit signal properly, and clear the result (s).

To start the diagnosis, press the preset button to select the diagnosis number you want to check.

  • Preset No. 1 button: Result All Display
  • Preset No. 2 button: Result All Clear
  • Preset No. 3 button: Result All OK

Audio Visual Systems - Testing & Troubleshooting

Result All Display

You can check the result of the In Line Diag.

The In Line Diag function runs automatically. When the diagnosis finishes, the icons turn different colors based on their test status (OK or NG).

NOTE: The STRG REMOTE and the HFT REMOTE indicates NG until the audio remote switch button and the HFL switch button are pressed.

Audio Visual Systems - Testing & Troubleshooting

Audio Visual Systems - Testing & Troubleshooting

Knob Illumination Check

This diagnosis checks the dimming circuit of the audio unit buttons.

When rotating the LIST knob, you should see the value change from 1 (max low) to 22 (max high).

Audio Visual Systems - Testing & Troubleshooting

AUDIO

This diagnosis checks the audio unit sound system.

To start the diagnosis, press the preset button to select the diagnosis number you want to check.

  • Preset No. 1 button: Sound
  • Preset No. 2 button: FM
  • Preset No. 3 button: AM
  • Preset No. 4 button: CD

Audio Visual Systems - Testing & Troubleshooting

Sound (Speaker Check)

This diagnosis checks the audio speakers individually. The EQ (diagnosis No. 2) and the Loudness (diagnosis No. 3) are not supported in this diagnosis.

Press the preset No. 1 button to check speakers. A tone should sound from the speaker.

Each time you press the preset No. 1 button, the system checks the speakers in this order: 1→2→3→4→5→6→1

Audio Visual Systems - Testing & Troubleshooting

Audio Visual Systems - Testing & Troubleshooting

FM

This diagnosis checks the FM reception level in the electric field strength (dB). This level then can be used in the diagnosis of audio unit reception quality.

Reception Level Check

Preparation:

  • Park the vehicle outside in a good location away from tall buildings, mountains, high-voltage power line or any other object that may interfere with reception.
  • Tune to a powerful local FM radio station then write down the radio station number.

Tune to the FM radio station you wrote down in preparation using the SEEK/DOWN or SEEK/UP button, and note the reception level of that station.

Press the preset No. 6 button to turn the AM/FM antenna power (SWD +B) off.

Note the decibel level of that station with the AM/FM antenna power off.

Press the preset No. 6 button to turn the AM/FM antenna power (SWD +B) on.

Compare your results to a known-good, (make sure it is the same year and trim level) in the same location and direction, and under the same environmental conditions.

  • If the reception level is within 10 % of the known-good vehicle, no repair is needed at this time.
  • If the reception level is at least 10 % less than the known good vehicle, go to Audio System Symptom Troubleshooting - Poor AM or FM radio reception or interference (Without Navigation).

Audio Visual Systems - Testing & Troubleshooting

AM

This diagnostic screen checks the AM reception level in the electric field strength (dB). This level then can be used in the diagnosis of audio unit reception quality.

Reception Level Check

Preparation:

  • Park the vehicle outside in a good location away from tall buildings, mountains, high-voltage power line or any other object that may interfere with reception.
  • Tune to a powerful local AM radio station then write down the radio station number.

Tune to the AM radio station you wrote down in preparation using the SEEK/DOWN or SEEK/UP button, and note the reception level of that station.

Press the preset No. 6 button to turn the AM/FM antenna power (SWD +B) off.

Note the decibel level of that station with the AM/FM antenna power off.

Press the preset No. 6 button to turn the AM/FM antenna power (SWD +B) on.

Compare your results to a known-good, (make sure it is the same year and trim level) in the same location and direction, and under the same environmental conditions.

  • If the reception level is within 10 % of the known-good vehicle, no repair is needed at this time.
  • If the reception level is at least 10 % less than the known good vehicle, go to Audio System Symptom Troubleshooting - Poor AM or FM radio reception or interference (Without Navigation).

Audio Visual Systems - Testing & Troubleshooting

CD

This diagnosis checks the DRAM level and some errors of the CD player.

Audio Visual Systems - Testing & Troubleshooting

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.

To start the diagnosis, press the preset button to select the diagnosis number you want to check. The Artwork (diagnosis No. 4) is not supported in this diagnosis.

  • Preset No. 1 button: R/G/B/White color
  • Preset No. 2 button: Full gradation
  • Preset No. 3 button: 16 step gradation
  • Preset No. 4 button: Art work (Not supported)

Audio Visual Systems - Testing & Troubleshooting

R/G/B/White Color

NOTE: Displaying an anomaly in this diagnosis screen is not necessarily a failure.

This screen verifies that the audio unit is displaying the RGB (Red, Green, and Blue) components properly. The three primary colors should all appear without distortion. The combination of all three should produce a central white section.

Audio Visual Systems - Testing & Troubleshooting

Full Gradation

NOTE: Displaying an anomaly in this diagnosis screen is not necessarily a failure.

This screen checks problems with contrast. You should be able to see the changes in the smooth across the scale.

Audio Visual Systems - Testing & Troubleshooting

16 Step Gradation

NOTE: Displaying an anomaly in this diagnosis screen is not necessarily a failure.

This screen checks problems with contrast. You should be able to see the changes from bar to bar across the scale. It is normal for the two bars on either side to appear the same.

Audio Visual Systems - Testing & Troubleshooting

Camera

This screen checks the rearview camera image, and adjusts the guideline.

To start the diagnosis, press the preset button to select the diagnosis number you want to check.

  • Preset No. 1 button: Forced Rear Camera View
  • Preset No. 2 button: Guideline adjustment

Audio Visual Systems - Testing & Troubleshooting

Forced Rear Camera View

This diagnosis displays the rearview camera image forcibly.

Each time the preset No. 1 button is pressed, the rearview image changes the view mode (Wide View, Normal View, Top Down View).

Audio Visual Systems - Testing & Troubleshooting

Guide Line Adjustment

This diagnostic adjusts the rearview camera image guide lines. If you need to adjust a guide line, select the point you want to adjust using the SOURCE button on the audio remote switch. To adjust the point up/down or right/left use the directional pad on the audio remote switch. Press the SOURCE button when the edit point is in its desired position.

The coordinate of the guide line (A) indicates the selected point position on the screen.

If you need to reset the guide line to the factory settings, press and hold the SELECT button for more than 2 seconds.

Audio Visual Systems - Testing & Troubleshooting

After the setting is complete, press the MENU button to exit.

Connection

This diagnosis checks the connection between each component connected to the audio unit.

Audio Visual Systems - Testing & Troubleshooting

To diagnose the Steering remote connection, press the preset No. 6 button.

Audio Visual Systems - Testing & Troubleshooting

Audio Visual Systems - Testing & Troubleshooting

Audio Visual Systems - Testing & Troubleshooting

Vehicle Information

Use this screen to confirm that the audio unit is properly receiving input signals. The displayed value changes each time according to the state of input signal. The PARKSENS (diagnosis No. 5) and the Sending Data (diagnosis No. 6) are not supported in this diagnosis.

To start the diagnosis, press the preset button to select the diagnosis number you want to check.

  • Preset No. 1 button: ILLUMI
  • Preset No. 2 button: VSPNE
  • Preset No. 4 button: MICU_ICU
  • Preset No. 5 button: PARKSENS (Not supported)
  • Preset No. 6 button: Sending Data (Not supported)

Audio Visual Systems - Testing & Troubleshooting

ILLUMI

The illumination signal comes from the gauge control module to the audio unit via the B-CAN bus.

Audio Visual Systems - Testing & Troubleshooting

Audio Visual Systems - Testing & Troubleshooting

VSPNE

The VSP/NE signal comes from the gauge control module to the audio unit via the B-CAN bus.

Audio Visual Systems - Testing & Troubleshooting

Audio Visual Systems - Testing & Troubleshooting

Audio Visual Systems - Testing & Troubleshooting

MICU_ICU

The MICU_ICU signal comes from the MICU to the audio unit via the B-CAN bus.

Audio Visual Systems - Testing & Troubleshooting

Audio Visual Systems - Testing & Troubleshooting

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