Symptom Troubleshooting

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 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. Navigation System Diagnostic Mode

- 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 and repair all CAN related DTCs, then retest.

NO - Go to step 3.


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

4. Select the Self-Diagnosis mode.

5. Check for error code to the Error History.

Is there a 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 and reconnect all connectors and retest.

Does the symptom go away?
YES - Replace the original climate control unit. Climate Control Unit Removal/Installation

NO - Replace the navigation unit. Service and Repair