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Mazda
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2019
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3 Preferred, 4D Hatchback, FWD
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Repair and Diagnosis
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Electrical
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Body Electrical
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MAZDA Connect - Introduction
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Connectivity Master Unit (E)
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Purpose, Function
Purpose, Function
The connectivity master unit (CMU) controls the entire system such as communication between mobile devices and Bluetooth®, and the sending/receiving of video/audio signals from units related to the entertainment system.