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3 Carbon Turbo, 4D Hatchback
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Repair and Diagnosis
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On-Board Diagnostics - CMU (2 Of 2)
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DTC B1A32-2B: Emergency Call Speaker/Microphone Signal Circuit Malfunction
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System Wiring Diagram
System Wiring Diagram
Courtesy of MAZDA MOTORS CORP.
COMPONENT OPERATIONS
Component No
Refer to
1
Audio amplifier
2
Emergency call speaker/microphone