LEMON Manuals
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Forester X, Automatic Trans
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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Diagnostic Trouble Code (DTC) Detecting Criteria (H4DO)
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Diagnostic Trouble Code (DTC) Detecting Criteria
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DTC P0301 Cylinder 1 Misfire Detected
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Diagnostic Method
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360° Interval Difference Method
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360° Interval Difference Method
DIAGNOSTIC METHOD CHART
Diagnostic value domg 360 = (omg 1 - omg 0) - (omg 3 - omg 2)
Misfire judgment domg 360 > Judgment value → Judge as misfire
Fig 1: Crankshaft Position Speed Graph (360 Deg Interval Difference Method)
Courtesy of SUBARU OF AMERICA, INC.