Diagnostic Function

The audio-navigation unit or the audio unit can check the HFL system components by the System Diagnostic Mode:

• Checks the connection between the audio/navigation system and the internal Bluetooth module.
• Checks the status of the HFL switch detection.
• Display audio type: Checks the voice input level of the front HFL-ANC microphone.
• Color audio type: Checks the connection between the audio unit and the front HFL-ANC microphone.