Navigation cannot control HVAC by voice command

WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Check the vehicle battery condition first (see BATTERY TEST ).
Check the connectors for poor connections or loose terminals.
Check for and resolve all CAN DTCs before troubleshooting the navigation system.
If the Hard Error Code stored, check the Hard Error Code troubleshooting first.
Before troubleshooting, make sure you have the anti-theft codes for the audio-navigation unit.
After troubleshooting, enter the anti-theft codes for the audio-navigation unit.
Verify that the correct audio-navigation unit is installed for this model. Go into the Diagnostic mode and use Version (see VERSION ).
Make sure that the latest navigation software is installed.
Check any official Honda service website for more service information about the navigation system.

Connect the HDS to the DLC. Check for B-CAN or F-CAN DTCs in the data list.
Are there any DTCs in the B-CAN or F-CAN systems?

YES -Troubleshoot and repair all CAN related DTCs, and retest.

NO -Go to step 2.
Turn the ignition switch to ON (II).
Select the Self-Diagnosis mode.
Check for the hard error code (see HOW TO CHECK ERROR HISTORY (NAVIGATION DTCS) ).
Is the Hard Error Code 2703 stored?

YES -Do the DTC 2703 troubleshooting (see DTC 2703: AIRCON DIAG ).

NO -Go to step 5.
Substitute a known-good climate control unit (see FRONT EVAPORATOR TEMPERATURE SENSOR REPLACEMENT ). Reconnect all connectors, and retest.
Does the symptom go away?

YES -Replace the original climate control unit (see FRONT EVAPORATOR TEMPERATURE SENSOR REPLACEMENT ).

NO -Replace the audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ).