Is there continuity?
YES -
Replace the navigation display unit See: Accessories and Optional Equipment/Navigation System/Navigation Display/Service and Repair.?
NO -
There is an open in the wire(s) between the audio-navigation unit and the navigation display unit. Replace the affected shielded harness.?
2605
Navigation System DTC Troubleshooting: 2605
DTC 2605:
H/U Diag Connect
NOTE:
- Check the vehicle battery condition first See: Starting and Charging/Battery/Testing and Inspection/Component Tests and General
Diagnostics/Battery Test.
- 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.
- Check for B-CAN DTCs and resolve them before troubleshooting.
- Before you troubleshoot, make sure to follow the general troubleshooting information See: Accessories and Optional Equipment/Navigation
System/Testing and Inspection/Initial Inspection and Diagnostic Overview/How to Troubleshoot 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 Diagnostic Menu, and select the Self-Diagnosis Mode in the Select Diagnosis Items menu See: Accessories and Optional
Equipment/Navigation System/Testing and Inspection/Initial Inspection and Diagnostic Overview/Navigation System Diagnostic Mode.
4. Select the System Links, then select the Radio.
Is Connection NG indicated?
YES -
Replace the audio-navigation unit See: Accessories and Optional Equipment/Radio, Stereo, and Compact Disc/Service and
Repair/Audio-Navigation Unit Removal/Installation.?
NO -
Intermittent failure, the system is OK at this time.?
2607
Navigation System DTC Troubleshooting: 2607
