FixVault

Bluetooth ® (Hands-Free) function (outgoing calls)

WARNING: This page is about a different car, the 2024 Mazda CX-90. However, it is still accessible from the selected car via links, so may be relevant.
  1. When the talk button on the steering switch is pressed, the connectivity master unit (CMU) detects the steering switch operation.
  2. When the connectivity master unit (CMU) detects the steering switch operation, it sends a guidance audio signal to the audio amplifier.
  3. The audio amplifier sends the guidance audio signal to the speakers and the speakers output the guidance audio.
  4. The voice recognition-use microphone converts the words (voice commands) produced by the user after the guidance audio output to an audio signal and sends it to the connectivity master unit (CMU).
  5. When the connectivity master unit (CMU) receives the audio signal from the voice recognition-use microphone, it sends an outgoing call signal to a mobile device such as a Bluetooth ®-enabled mobile phone or a Smartphone, and the call is initiated.
  6. The mobile device, such as a Bluetooth ®-enabled mobile phone or a Smartphone, sends the received audio signal to the connectivity master unit (CMU), and the signal is output from the speakers via the audio amplifier.
  7. The voice recognition-use microphone sends the send audio signal of the user to the connectivity master unit (CMU), and the connectivity master unit (CMU) sends the received send audio signal to a mobile device such as a Bluetooth ®-enabled mobile phone or a Smartphone.
G16716871Courtesy of MAZDA