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3 Carbon Turbo, 4D Hatchback
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On-Board Diagnostics - CMU (2 Of 2)
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DTC B1A38-04: USB Port/SD Card Slot Hub/HDMI Terminal Malfunction
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System Wiring Diagram
System Wiring Diagram
Courtesy of MAZDA MOTORS CORP.
COMPONENT OPERATIONS
Component No
Refer to
1
Connectivity master unit (CMU)
2
USB port/SD card slot hub/HDMI terminal