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DTC Detecting Condition and Trouble Area

DTC DETECTING CONDITION AND TROUBLE AREA

DTC detecting condition Trouble area
EVAP leak check pressure (P4) is lower than -0.16 kPa even though EVAP vent valve is changed from open (OFF) to close (ON) with EVAP leak detection pump ON.
(2 driving cycle detection logic)
  • EVAP vent valve (in EVAP leak check module) and/or its circuit
  • ECM