Manufacturer Code Charts: 2707

Navigation System DTC Troubleshooting: 2707

DTC 2707:

MIC Diag

NOTE:

- Check the vehicle battery condition first 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. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode, then back to ON (II), or the ON mode.

2. Go into the System Diagnostic Mode, and select the Self-Diagnosis Mode in the Select Diagnosis items menu Navigation System Diagnostic Mode.

3. Select the System Link.

Is the Mic icon red?

YES -

Go to step 4.

NO -

Intermittent failure, the system is OK at this time.

4. Select the HFT in the System Link, and check for HFL DTCs.

Are there any HFL DTCs indicated?

YES -

Repair the indicated HFL DTC(s).

NO -

Go to step 5.

5. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

6. Check for poor connections or loose terminals at these items:

- Audio-navigation unit connector H (28P)
- HandsFreeLink control unit 32P connector
- HFL-navigation microphone 7P connector

Are the connections or terminals OK?

YES -

Go to step 7.

NO -

Repair poor connections or loose terminals, and recheck.

7. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

8. Measure the voltage between body ground and HFL-navigation microphone 7P connector terminals No. 6 and No. 7 individually.





Is there battery voltage?

YES -

Go to step 9.

NO -

If the+B wire does not have voltage, repair an open in the wire between the No. 15 (10 A) fuse under-hood fuse/relay box and the HFL-navigation microphone. If the ACC wire does not have voltage, repair an open in the wire between the No. 18 (7.5 A) fuse in the driver's under-dash fuse/relay box and the HFL-navigation microphone.

9. Measure the voltage between HFL-navigation microphone 7P connector terminal No. 1 and body ground.





Is there less than 0.2 V?

YES -

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

NO -

Repair an open or high resistance in the wire between the HFL-navigation microphone and body ground (G401).