DTC P0533:00 [Pcm (SKYACTIV-G)]: Outline

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DTC P0533:00 (PCM, SKYACTIV-G) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Refrigerant pressure sensor No. 1 circuit high input
Detection condition	The PCM monitors input voltage from the refrigerant pressure sensor No. 1. If the input voltage at the PCM terminal 2AV is above 4.8 V for 5 s, the PCM determines that the refrigerant pressure sensor No. 1 circuit has a malfunction.
Fail-safe	Not applicable
Possible cause	Refrigerant pressure sensor No. 1 connector or terminals malfunction PCM connector or terminals malfunction Refrigerant pressure sensor No. 1 malfunction Short to power supply in refrigerant pressure sensor No. 1 signal circuit Open circuit in any of the following refrigerant pressure sensor No. 1 circuits. Signal circuit Ground circuit PCM malfunction
Courtesy of MAZDA MOTORS CORP.