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Mazda
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2021
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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 (Us)
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Purpose, Function
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On-board diagnostic function
On-board diagnostic function
The CMU has an on-board diagnostic function to facilitate system diagnosis. DTCs are stored in the event of a malfunction occurring. For details, refer to the
DTC TABLE [CONNECTIVITY MASTER UNIT (US)]
.)