Navigation Cannot Control HVAC By Voice Command

Navigation cannot control HVAC by voice command

NOTE:
- 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 the anti-theft codes for the audio system and the navigation system.
- After troubleshooting, enter the anti-theft codes for the audio system and the navigation system.
- Verify that the correct navigation unit is installed for this model. Go into the Diagnostic mode and use Version.
- 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. 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 retest.

NO - Go to step 2.

2. Turn the ignition switch to ON (II).
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. Reconnect all connectors and reset.

Do the symptom go away?

YES - Replace the original climate control unit.

NO - Replace the navigation unit.