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DTC Detecting Condition and Trouble Area

DTC DETECTING CONDITION CHART

DTC detecting condition Trouble area
  • Initial pressure (P1) minus reference pressure (P2) is less than 0.2 kPa.
  • EVAP system maximum pressure (P3) minus reference pressure (P2) is less than 0.5 kPa.

(2 driving cycle detection logic)
  • ECM leak check module and/or its circuit
  • ECM
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