DTC B116A-12: Microphone Circuit Malfunction [MAZDA Emergency Assistance Control Module]: Outline

DTC B116A:12 (MAZDA EMERGENCY ASSISTANCE CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Microphone circuit malfunction
Detection condition	The Mazda EMERGENCY ASSISTANCE control module detects a short to power supply in the microphone circuit.
Fail-safe	Not applicable
Possible cause	Microphone connector or terminal malfunction Mazda EMERGENCY ASSISTANCE control module connector or terminal malfunction Short to power supply in microphone power supply circuit Microphone malfunction Mazda EMERGENCY ASSISTANCE control module malfunction
Courtesy of MAZDA MOTORS CORP.