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

DETECTION CONDITION AND POSSIBLE CAUSE

DTC P2228:00 BARO sensor circuit low input
DETECTION CONDITION 
  • The PCM monitors input voltage from the BARO sensor. If the input voltage is below specified value 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 (Mode 2)/Snapshot data is available.
  • The DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION 
  • Fixes the barometric pressure for the engine control at 101.32 kPa {759.96 mmHg, 29.920 inHg}  .
POSSIBLE CAUSE 
  • BARO sensor (built-into PCM) malfunction
  • PCM malfunction
SYSTEM WIRING DIAGRAM  -
CAUTION:
  • Verify the malfunction symptom according to not only the PID value but also the symptom troubleshooting.
RELATED PIDS

Monitor item (Definition) Unit/Condition Condition/Specification (Reference)
BARO KPa {MPa}, mBar {Bar}, psi, in H20
  • Displays the BARO
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