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Home >> Mazda >> 2025 >> CX-5 S Select >> Repair and Diagnosis >> External Pages >> Different car >> Section 237 (Connectivity Master Unit - Introduction) >> Entertainment System >> Operation >> Audio function >> Bluetooth ® audio function
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Bluetooth ® audio function

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 connectivity master unit (CMU) receives the operation signal/detects the switch operation, it sends the control signal to the audio amplifier and a mobile device such as a Bluetooth ®-enabled mobile phone or a Smartphone.
  2. When the mobile device such as a Smartphone or a Bluetooth ®-enabled device receives the control signal, the digital data is sent to the connectivity master unit (CMU).
  3. The connectivity master unit (CMU) converts the video signal of the digital data to a GMSL signal and sends it to the center display. In addition, it sends the audio signal to the audio amplifier.
  4. The audio amplifier sends the received audio signal to the speakers.
  5. In addition, the center display indicates Bluetooth ® audio information based on the GMSL signal. In addition, the speakers output the audio based on the received audio signal.
G16716867Courtesy of MAZDA
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