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Home >> Mazda >> 2007 >> 3 Mazdaspeed, 2.3 L >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic (Engine Control System L3 With TC) - (5 Of 5) >> DTC P2228 >> Notes
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DTC P2228: Notes

DTC P2228 [L3 WITH TC] DETECTION CONDITION AND POSSIBLE CAUSE

DTC P2228 BARO sensor circuit low input
DETECTION CONDITION 
  • PCM monitors the input voltage from the BARO sensor. If the input voltage at the PCM is below 1.95 V  , the PCM determines that the BARO sensor circuit has a malfunction.

Diagnostic support note 
  • This is a continuous monitor (CCM).
  • MIL illuminates if the PCM detects the above malfunction condition during the first drive cycle.
  • FREEZE FRAME DATA is available.
  • DTCs are stored in the PCM memory.
POSSIBLE CAUSE 
  • BARO sensor malfunction PCM malfunction
  • Diagnostic procedure