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 Battery Test.
- Check the connectors for poor connections or loose terminals.
- If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A Troubleshooting - B-CAN System Diagnosis Test Mode A.
- 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.
- Check any official Honda service website for more service information about the navigation system.

1. Connect the HDS to the DLC.

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

3. Clear the DTCs with the HDS.

4. Turn the ignition switch to LOCK (0) and then back to ON (II).

5. Check for DTCs with the HDS.

Are there any DTCs present?

YES -

Troubleshoot the indicated DTC, then recheck.�

NO -

Go to step 6.

6. Clear the hard error code.

7. Turn the ignition switch to LOCK (0) and then back to ON (II).

8. Check for the hard error code.

Are there any hard error codes stored?

YES -

Refer to the hard error code troubleshooting.�

NO -

Go to step 9.

9. Substitute a known-good climate control unit Climate Control Unit Removal/Installation. 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.�