Manufacturer Code Charts: 2605

Navigation System DTC Troubleshooting: 2605

DTC 2605:

H/U Diag: Connect

NOTE:

- Check the vehicle battery condition first Testing and Inspection.
- This navigation DTC sets when a problem (open or short) is detected in the GA-Net BUS.
- Check any official Honda service website for more service information about the navigation system.
- Before you troubleshoot, make sure to follow the general troubleshooting information How To Troubleshoot The Navigation System.

1. Clear the hard error code How To Troubleshoot The Navigation System.

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

3. Check the hard error code How To Troubleshoot The Navigation System.

Is Hard Error 2605 indicated?

YES -

Go to step 4.

NO -

Intermittent failure, the system is OK at this time.�

4. Go into the System Diagnostic Mode, and select the Self- Diagnosis Mode in the Select Diagnosis Items menu Navigation System Diagnostic Mode.

5. Check the System Links.

Is the Radio icon red?

YES -

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

NO -

Intermittent failure, the system is OK at this time. If the vehicle repeatedly comes back with the DTC, replace the audio-navigation unit Audio-Navigation Unit Removal/Installation.�