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Home >> Mazda >> 2017 >> CX-5 Grand Select, AWD >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic - Engine Control System (3 Of 5) >> DTC P2228-00; BARO Sensor Circuit Low Input >> Notes
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DTC P2228-00; BARO Sensor Circuit Low Input: Notes

DTC DETECTION DESCRIPTION

DTC P2228:00 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.

    Diagnostic support note

  • This is a continuous monitor (CCM).
  • The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle.
  • FREEZE FRAME DATA/Snapshot data is available.
  • DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION
  • 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
CAUTION:
  • Verify the malfunction symptom according to not only the PID value but also the symptom troubleshooting.
PARTS DESCRIPTION

Item Definition Unit Condition/Specification
BARO Actually measured barometric pressure input from barometric pressure sensor built into PCM KPa {MPA}, mBar {BAR}, psi, in H20
  • Displays BARO
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