DTC P0032-00: A/F Sensor Heater Control Circuit High Input (Us): Outline

DTC P0032:00 (PCM, SKYACTIV-G, US) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	A/F sensor heater control circuit high input
Detection condition	When the PCM controls the A/F sensor heater, the voltage input to the PCM is too high.
Fail-safe	Stops fuel feedback control
Possible cause	A/F sensor connector or terminals malfunction PCM connector or terminals malfunction Short to power supply in A/F sensor heater control circuit A/F sensor heater malfunction PCM malfunction
Courtesy of MAZDA MOTORS CORP.