Manufacturer Code Charts: 2707

Navigation System DTC Troubleshooting: 2707

DTC 2707: MIC Diag

NOTE: Before you troubleshoot, make sure to follow the general troubleshooting information. How to Troubleshoot The Navigation System (With Navigation)

1. Clear the hard error code. How to Troubleshoot The Navigation System (With Navigation)

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. Navigation System Diagnostic Mode (With Navigation)

4. Select the System Links.

Is the Mic icon red?
YES - Go to step 5.

NO - Go to step 8.


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 navigation unit B (24P) connector.

Are the connections OK?
YES - Go to step 7.

NO - Repair the poor connections or loose terminals.


7. Check for DTCs with the HDS.

Is DTC B1775 or B1776 indicated?
YES - Troubleshoot the indicated DTC.

NO - Replace the HFL-navigation microphone. Service and Repair


8. Select the Mic in the System Links.

9. Press the navigation Talk button on the steering wheel switch, then check the Mic Level. Navigation System Diagnostic Mode (With Navigation)

Is the microphone level OK?
YES - Intermittent failure, the system is OK at this time.

NO - Replace the HFL-navigation microphone. Service and Repair