FixVault

Bluetooth ® audio function

WARNING: This page is about a different car, the 2024 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
  1. When the 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 CMU.
  3. The 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.
G16377528Courtesy of MAZDA MOTORS CORP.
ENTERTAINMENT SYSTEM COMPONENT OPERATIONS

Component No. Refer to
1 Center display
2 Display Bluetooth ® audio information
3 GMSL signal
4 Mobile device such as a Bluetooth ®-enabled mobile phone or a Smartphone/Bluetooth ®-enabled device
5 Control signal
6 Digital signal
7 Connectivity master unit (CMU)
8 Audio signal
9 Audio amplifier
10 Speaker
11 Sound output


  1. When the 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 CMU.
  3. The 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.
G16377528Courtesy of MAZDA MOTORS CORP.
ENTERTAINMENT SYSTEM COMPONENT OPERATIONS

Component No. Refer to
1 Center display
2 Display Bluetooth ® audio information
3 GMSL signal
4 Mobile device such as a Bluetooth ®-enabled mobile phone or a Smartphone/Bluetooth ®-enabled device
5 Control signal
6 Digital signal
7 Connectivity master unit (CMU)
8 Audio signal
9 Audio amplifier
10 Speaker
11 Sound output