Manufacturer Code Charts: 2707

Navigation System DTC Troubleshooting: 2707

DTC 2707:

MIC Diag

NOTE

- Check the vehicle battery condition first 12 Volt Battery Test.
- This navigation DTC sets when a problem is detected in the microphone circuit.
- Before you troubleshoot, make sure to follow the general troubleshooting information 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 System Diagnostic Mode, and select the Self-Diagnosis Mode Navigation System Diagnostic Mode.

4. Check the System Links.

Is the Mic icon red?

YES -

Go to step 5.

NO -

Go to step 9.

5. Select the Mic in the System Links.

6. Check for HFL DTCs.

Is DTC B1775 or B1776 indicated?

YES -

Troubleshoot the indicated DTC.

NO -

Go to step 7.

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

8. Check for poor connections or loose terminals at the HandsFreeLink control unit 32P connector, the HFL-navigation microphone 3P connector, and audio-navigation unit D (20P) connector.

Are the connections OK?

YES -

Replace the HFL-navigation microphone HFL-Navigation Microphone Removal / Installation.

NO -

Repair any poor connection(s) or loose terminal(s).

9. Select the Mic in the System Links.

10. Press the navigation TALK button on the steering wheel switch, then check the Mic Level.

Is the microphone level OK?

YES -

Intermittent failure, the system is OK at this time.

NO -

Replace the HFL-navigation microphone HFL-Navigation Microphone Removal / Installation.