HANDS-FREE TELEPHONE (HF/TEL) UNIT FUNCTION

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• The HF/TEL unit communicates information between the Bluetooth-enabled mobile phone and the center panel unit. The profile is used for communication between the HF/TEL unit and Bluetooth-enabled mobile phone. The CAN system is used for communication between the HF/TEL unit and the center panel unit.
• The HF/TEL unit sends/receives information by using the common profile with the Bluetooth-enabled mobile phone. If they do not have the same profile, communication is impossible. In this case, the functions requiring the profile are disabled.
• The HF/TEL unit uses the following profiles:

Profiles | Function
--- | ---
HFP (Hands-free profile) | Enables a call using a hands-free phone.
DUN (Dial-up networking profile) | Performs a dial-up connection.

• The HF/TEL unit is equipped with a voice recognition function that allows the user to operate the Bluetooth-enabled mobile phone using voice. It also has a learning function to improve the precision of voice recognition.
• The HF/TEL unit has a self-diagnostic function to facilitate malfunction diagnosis.

Voice Recognition Function

• The voice commands are pre-set for the HF/TEL unit. When the voice spoken into the vehicle’s microphone matches the voice command, the HF/TEL unit performs the mode set to the voice command.

Learning Voice Recognition Function

  • Phrases for learning voice recognition are pre-set for the HF/TEL unit. The HF/TEL unit recognizes the features of the user’s voice comparing them with the pre-set phrase to improve the precision of the voice recognition.

Self-diagnostic Function

• The HF/TEL unit performs self-diagnosis to detect a malfunctioning part.
• Refer to the ON-BOARD DIAGNOSTIC SYSTEM FUNCTION [HANDS-FREE TELEPHONE (HF/TEL) SYSTEM] for the self-diagnosis.