LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Acura >> 2009 >> CSX Base, Automatic >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation System >> Symptom Troubleshooting >> Navigation cannot control HVAC by voice command
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Navigation cannot control HVAC by voice command

NOTE:
  • Check the vehicle battery condition first.
  • 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 the anti-theft codes for the navigation system.
  • After troubleshooting, enter the anti-theft codes for the navigation system.
  • Verify that the correct navigation unit is installed for this model. Go into the Diagnostic mode, and use Version (see VERSION  ).
  • Make sure that the correct DVD color and version are installed.
  • Check any official Honda service website for more service information about the navigation system.
  1. 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.

  2. Turn the ignition switch to ON (II).
  3. Select the Self-Diagnosis mode.
  4. Check for error code in the Error History.

    Are there any Hard Error Code stored? 

    YES  -Refer to the Hard Error Code troubleshooting.

    NO  -Go to step 5.

  5. Substitute a known-good climate control unit. Reconnect all connectors, and retest.

    Does the symptom go away? 

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

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