Navigation Cannot Control HVAC By Voice Command

WARNING: This page is about a different car, the 2011 Acura TL, 2010 Acura TL, and 2009 Acura TL. 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 code
After troubleshooting, enter the anti-theft code
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 then retest

NO -Go to step 2
Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode
Select the Self-Diagnosis mode
Check for error code to the Error History (see How To Check Error History ).
Is the Hard Error Code stored?

YES -Refer to the Hard Error Code troubleshooting

NO -Go to step 5
Substitute and a known-good climate control unit (see CLIMATE CONTROL UNIT REMOVAL/INSTALLATION ) Reconnect all connectors, and retest
Do the symptom go away?

YES -Replace the original climate control unit (see CLIMATE CONTROL UNIT REMOVAL/INSTALLATION )

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