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.
- Verify that the correct navigation unit is installed for this model. Go into the System Diagnostic Mode, and use Version.
- Make sure that the correct navigation 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 How To Troubleshoot The Climate Control System.

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 recheck.�.

NO -

Go to step 3.

3. Check for the hard error code.

Are there any hard error code stored?

YES -

Refer to the hard error code troubleshooting.�

NO -

Go to step 4.

4. Substitute a known-good climate control unit Climate Control Unit Removal/Installation (With Navigation), and reconnect all connectors, and recheck.

Does the symptom go away?

YES -

Replace the original climate control unit Climate Control Unit Removal/Installation (With Navigation).�

NO -

Replace the navigation unit Service and Repair.�