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Home >> Mazda >> 2021 >> CX-30 Turbo Premium >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 27 (On-Board Diagnostic - Engine Control System (VIN L & VIN M) (3 Of 4)) >> DTC P2243:00 [Pcm (SKYACTIV-G (Us))] >> Details On DTCs

Details On DTCs

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DTC P2243:00 (PCM, SKYACTIV-G, US) DETECTION CONDITION AND POSSIBLE CAUSE

Description A/F sensor reference voltage circuit open
Detection condition Determination conditions
  • A condition in which the PCM terminal 1T voltage is the specified value or more continues for 30 s.
Preconditions
  • Switch the ignition ON (engine off or on)
  • Battery voltage: 11-18 V(1)
  • The following DTCs are not detected:
  • A/F sensor heater: P0031:00 and P0032:00
Malfunction determination period
  • 30 s period
Drive cycle
  • 2
Self test type
  • CMDTC self test, KOER self test
Sensor used
  • A/F sensor
Fail-safe function
  • Not applicable
Vehicle status when DTCs are output
  • Not applicable
Possible cause
  • A/F sensor connector or terminals malfunction
  • PCM connector or terminals malfunction
  • Open circuit in A/F sensor control circuit
  • A/F sensor malfunction
  • PCM malfunction
G13729598Courtesy of MAZDA MOTORS CORP.
(1) Standard can be verified by displaying PIDs using M-MDS
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