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RDS (radio data system)

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 remote tuner (RT).
  2. When the remote tuner (RT) receives the control signal, it starts RDS reception.
  3. The AM/FM antenna amplifier sends the received RDS information (electrical signal) to the remote tuner (RT).
  4. The remote tuner (RT) sends text information to the connectivity master unit (CMU) based on the received RDS information. In addition, it sends the audio signal to the speakers.
  5. The connectivity master unit (CMU) converts the received text information to a GMSL signal and sends it to the center display.
  6. The center display indicates the RDS information based on the received GMSL signal. In addition, the speakers output the audio based on the received audio signal.
G16716861Courtesy of MAZDA
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