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 7.

NO - Go to step 5.


5. Select the Mic in the System Links.

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

Does the microphone level reach at least the 6th bar?
YES - Intermittent failure, the system is OK at this time.

NO - Replace the navigation microphone. Service and Repair


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

8. Check for poor connections or loose terminals at navigation microphone 10P connector, and audio-navigation unit connector F (12P).

Are the connections OK?
YES - Go to step 9.

NO - Repair poor connections or loose terminals.


9. Disconnect the microphone 10P connector.

10. Disconnect audio-navigation unit connector F (12P).

11. Check for continuity between body ground and audio-navigation unit connector F (12P) terminals No. 2 and No. 8 individually.

Is there continuity?
YES - There is a short to body ground in the wire(s) between the audio-navigation unit and the microphone. Replace the affected shielded harness.

NO - Go to step 12.






12. Check for continuity between audio-navigation unit connector F (12P) according to the table.





Is there continuity between any of the terminals?
YES - There is a short in the wires between the audio-navigation unit and the microphone. Replace the affected shielded harness.

NO - Go to step 13.






13. Check for continuity between audio-navigation unit connector F (12P) and microphone 10P connector according to the table.





Is there continuity?
YES - Substitute a known-good navigation microphone, Service and Repair then reconnect all of the connectors and recheck. If the symptom/indication goes away, replace the original navigation microphone. If the symptom/indication is still present, replace the audio-navigation unit. Audio-Navigation Unit Removal/Installation (With Navigation)

NO - There is an open in the wire(s) between the audio-navigation unit and microphone. Replace the affected shielded harness.