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2016
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WRX Base
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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 (H4DOTC) (WRX)
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Diagnostic Trouble Code (DTC) Detecting Criteria
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DTC P2401 EVAP System Leak Detection Pump Control Circuit Low
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Outline Of Diagnosis
Outline Of Diagnosis
Detect the open or short circuit of the ELCM vacuum pump.
Judge as NG if out of specification.