Navigation Cannot Control HVAC By Voice Command
NOTE:
- Check the vehicle battery condition first.
- Check any official Honda service website for more information about the navigation system.
- Check for and resolve all CAN DTCs before troubleshooting the navigation system.
- Always check the connectors for poor connections or loose terminals.
- Before troubleshooting, make sure you have 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 ).
- Make sure that the correct navigation DVD color and version are installed.
- Connect the HDS to the DLC. Check for B-CAN DTCs in the data list.
Are there any DTCs in the B-CAN system?
YES - Troubleshoot and repair all CAN related DTCs, and then retest.
NO - Go to step 2.
- Turn the ignition switch to ON (II).
- Check for the hard error code (see HOW TO CHECK ERROR HISTORY
).
Is the Hard Error Code in store?
YES - Refer to HOW TO CHECK ERROR HISTORY . ■
NO - Go to step 5.
- Turn the ignition switch to ON (II).
- Substitute and a known-good climate control unit (see CLIMATE CONTROL UNIT REMOVAL/INSTALLATION
). 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 ). ■