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Home >> Subaru >> 2016 >> WRX Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4DOTC) (WRX) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P04F0 EVAP System High Pressure Purge Line (CPC2) Performance >> Diagnostic Method

Diagnostic Method

Judge as NG when the following conditions are established.

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
< Phase1 >
ELCM pressure (gauge) > -267 KPa
< Phase2 >
ELCM pressure (gauge) < 267 KPa

Phase1 

Time Needed for Diagnosis:  6 seconds

Phase2 

Time Needed for Diagnosis:  20 seconds

Malfunction Indicator Light Illumination:  Illuminates when malfunction occurs in 2 continuous driving cycles.