Manufacturer Code Charts: 2705

Navigation System DTC Troubleshooting: 2705

DTC 2705:

HFL Diag

NOTE:

- Check the vehicle battery condition first Battery Test.
- This navigation DTC sets when a problem (open or short) is detected in the GA-Net BUS or in the HandsFreeLink control unit.
- Before you troubleshoot, make sure to follow the General Troubleshooting Information How to Troubleshoot the Navigation System.
- Check any official Honda service website for more service information about the navigation system.

1. Clear the hard error code.

2. Turn the ignition switch to LOCK (0) and then back to ON (II).

3. Go into the System Diagnostic Mode, and select the Self-Diagnosis Mode.

4. Check the System Links.

Is the HFL icon red?

YES -

Go to step 5.

NO -

Intermittent failure, the system is OK at this time.

5. Go into the System Diagnostic Mode, and use the HFL in the Unit Check.

Is GA-NET NG indicated?

YES -

Do the HandsFreeLink control unit Input Test Testing and Inspection.

NO -

Go to step 6.

6. Go into the System Diagnostic Mode, and use the HFL in the Unit Check.

Is DTC B1792 indicated?

YES -

Do the DTC B1792 troubleshooting B1792.

NO -

Replace the audio-navigation unit Audio-Navigation Unit Removal/Installation.