Symptom Troubleshooting

Navigation System Symptom Troubleshooting - Navigation cannot control HVAC by voice command

Navigation cannot control HVAC by voice command

NOTE:

- Check the vehicle battery condition first Testing and Inspection.
- 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 the correct navigation DVD (color and version) is installed.

1. 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.

2. Turn the ignition switch to ON (II).

3. Check for the hard error code.

Are there any the Hard Error Code stored?

YES -

Refer to the Hard Error Code troubleshooting.�

NO -

Go to step 4.

4. Substitute and a known-good climate control unit Climate Control Unit Removal/Installation. Reconnect all connectors, and retest.

Does the symptom go away?

YES -

Replace the original climate control unit Climate Control Unit Removal/Installation.�

NO -

Replace the navigation unit Service and Repair.�