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 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 System Diagnostic Mode and use Version Navigation System Diagnostic Mode 1.
- Make sure that the latest navigation software is installed.
- Check any official Honda service web site 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 recheck.�

NO -

Go to step 2.

2. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

3. Select the Self-Diagnosis mode.

4. Check for error code to the Error History.

Is the Hard Error Code stored?

YES -

Refer to the Hard Error Code troubleshooting.�

NO -

Go to step 5.

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

Do the symptom go away?

YES -

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

NO -

Replace the audio-navigation unit Audio-Navigation Unit Removal/Installation.�