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Home >> Mazda >> 2021 >> 3 Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> On-Board Diagnostic - Engine Control System (VINS 7, L, M) (3 Of 4) >> DTC P2228-00: BARO Sensor Circuit Low Input >> Outline

DTC P2228-00: BARO Sensor Circuit Low Input: Outline

DTC P2228:00 (PCM, VINs 7, L, M) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location BARO sensor circuit low input
Detection condition
  • The PCM monitors input voltage from the BARO sensor. If the input voltage is low for 5 s, the PCM determines that the BARO sensor circuit has a malfunction.
Fail-safe
  • Fixes the barometric pressure for the engine control at 101.32 kPa {1.0332 kgf/cm2 , 14.695 psi}.
Possible cause
  • BARO sensor (built-into PCM) malfunction
  • PCM malfunction
System wiring diagram
  • Not applicable
Connector diagram
  • Not applicable
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