Honda HR-V Owners & Service Manuals

Honda HR-V: Volume Does Not Increase With Speed (Without Navigation, Color Audio Type (5-inch Screen) )

Honda HR-V (2015-2021) Service Manual / Accessories & Equipment / Audio Visual Systems - Testing & Troubleshooting / Symptom Troubleshooting / Volume Does Not Increase With Speed (Without Navigation, Color Audio Type (5-inch Screen) )

NOTE:

  • Check the vehicle 12 volt battery condition first.
  • Check for B-CAN DTCs and resolve them before troubleshooting.
  • Check the connectors for poor connections or loose terminals.

1. Problem verification.

Test-drive the vehicle at freeway speeds, and monitor if the volume increases.

Does the volume increase?

YES

Intermittent failure, the system is OK at this time.

NO

The failure is duplicated, go to step 2.

2. Determine possible failure area (audio setting, others).

Verify the SVC mode setting in the audio unit sound set-up.

Is the SVC set to off?

YES

Change the setting to SVC MID, and recheck.

NO

Go to step 3.

3. Determine possible failure area (audio unit, others):

  1. Do the System Diagnostic Mode, and use the VSPNE in the Vehicle Information to check the C_VSP - Refer to: Audio System Sound Quality Diagnosis, or Audio System Diagnostic Mode (Without Navigation, Display Audio Type (7-inch Screen) ), or Audio System Diagnostic Mode (Without Navigation, Color Audio Type (5- inch Screen) ).
  2. Test-drive the vehicle with the help of an assistant, and then watch the speed in audio display.

Is the vehicle speed indicated?

YES

Replace 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) ).

NO

Go to step 4.

4. Open wire check (B-CAN_H, B-CAN_L lines):

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Disconnect the following connectors.

Audio unit connector C (24P)

Gauge control module connector A (32P)

  1. Check for continuity between test points 1 and 2.

Audio Visual Systems - Testing & Troubleshooting

Is there continuity?

YES

Replace 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) ).

NO

Repair an open in the wire (s) between the audio unit and the gauge control module.

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