DTC 2707: MIC Diag
NOTE:
- Check the vehicle battery condition first (see 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 (see GENERAL TROUBLESHOOTING INFORMATION ).
- Clear the hard error code (see HOW TO CLEAR ERROR HISTORY ).
- Turn the ignition switch to LOCK (0), and then back to ON (II).
- Go into the System Diagnostic Mode, and select the Self-Diagnosis Mode in the Select Diagnosis Items menu (see SYSTEM DIAGNOSTIC MODE ).
- Check the System Links.
Is the Mic icon red?
YES -Go to step 5.
NO -Go to step 10.
- Turn the ignition switch to LOCK (0).
- Check for poor connections or loose terminals at the HandsFreeLink control unit 28P connector, the HFL-navigation microphone 10P connector, and audio-navigation unit B (24P) connector.
Are the connections OK?
YES -Go to step 7.
NO -Repair poor connections or loose terminals.
- Connect the HDS to the DLC (see GENERAL TROUBLESHOOTING INFORMATION ).
- Turn the ignition switch to ON (II).
- Check for DTCs with the HDS.
Is DTC B1775 or B1776 indicated?
YES -Troubleshoot the indicated DTC.
NO -Replace the HFL-navigation microphone (see HFL-NAVIGATION MICROPHONE REMOVAL/INSTALLATION ).
- Select the Mic in the System Links.
- Press the navigation TALK button on the steering wheel switch, then check the Mic Level (see MIC LEVEL
).
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 (see HFL-NAVIGATION MICROPHONE REMOVAL/INSTALLATION ).