Manufacturer Code Charts: 2707

Navigation System DTC Troubleshooting: 2707

DTC 2707:

MIC Diag

NOTE

- Check the vehicle battery condition first Testing and Inspection.
- This navigation DTC sets when a problem is detected in the microphone circuit.
- 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. Go into the System Diagnostic Mode, and select the Self-Diagnosis Mode in the Select Diagnosis items menu Navigation System Diagnostic Mode.

4. Check the System Links.

Is the Mic icon red?

YES -

Go to step 5.

NO -

Go to step 10.

5. Turn the ignition switch to LOCK (0).

6. Check for poor connections or loose terminals at the HandsFreeLink control unit 28P connector, the HFL-navigation microphone 3P connector, and audio-navigation unit connector B (24P).

Are the connections OK?

YES -

Go to step 9.

NO -

Repair poor connections or loose terminals.�

7. Connect the HDS to the DLC Initial Inspection and Diagnostic Overview.

8. Turn the ignition switch to ON (II).

9. Check for DTCs with the HDS.

Is DTC B1775 or B1776 indicated?

YES -

Troubleshoot the indicated DTC.�

NO -

Replace the HFL-navigation microphone.�

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

11. Select the Mic in the System Links Navigation System Diagnostic Mode.

12. Press the navigation TALK button on the steering wheel switch, then check the Mic Level Navigation System Diagnostic Mode.

Does the microphone level reach at least the 6th bar?

YES -

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

NO -

Replace the HFL-navigation microphone.�