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DTC Detecting Condition and Trouble Area

DTC DETECTING CONDITION CHART

DTC detecting condition Trouble area
Pressure difference between MAP and estimated MAP is larger than the specification for more than 20 sec. when short term fuel trim is 110% with engine speed variation by 25 RPM/ 0.05 sec. or more.
(2 driving cycle detection logic)
  • PCV system
  • Throttle body
  • Intake manifold
  • MAP sensor circuit
  • EGR system and/or canister purge system
  • MAF sensor circuit
  • ECM
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