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.

- 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 navigation system.

- After troubleshooting, enter the anti-theft codes for the navigation system.

- Verify that the correct audio-navigation unit is installed for this model. Go into the Diagnostic mode and use Version. Navigation System Diagnostic Mode (With Navigation)

- Make sure that the latest navigation software is installed.

- Check any official Honda service web site 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), or press the engine start/stop button to select the ON mode.

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. Climate Control Unit Removal/Installation Reconnect all connectors, and retest.

Do 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 (With Navigation)