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 codes for the navigation system.
- After troubleshooting, enter the anti-theft codes for the navigation system.
- Verify that the correct audio-navigation unit is installed for this model. Go into the Diagnostic mode and use Version Navigation System Diagnostic Mode.
- 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 Initial Inspection and Diagnostic Overview.

2. 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 3.

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

4. Select the Self-Diagnosis mode.

5. 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 6.

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

Does 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.�