Honda HR-V: Volume Does Not Increase With Speed (With Navigation)

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-navigation 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-navigation unit, others):

1. Do the System Diagnostic Mode, and check the vehicle speed indication under the Vehicle Status.
2. Test-drive the vehicle with the help of an assistant, and then watch the speed in the display.

Is the vehicle speed indicated?

YES

Replace the audio-navigation unit.

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-navigation unit connector B (20P)

Gauge control module connector A (32P)

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

Is there continuity?

YES

Replace the audio-navigation unit.

NO

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

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