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.
- 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.
- Verify that the correct navigation unit is installed for this model. Go into the System Diagnostic Mode, and use the 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 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 the indicated DTC(s), and recheck.

NO -

Go to step 3.

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

4. Check for the hard error code.

Are there any navigation DTCs indicated?

YES -

Troubleshoot the indicated navigation DTC(s).

NO -

Go to step 5.

5. 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.