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Home >> Subaru >> 2005 >> Forester XT, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4DOTC) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0458 Evaporative Emission Control System Purge Control Valve Circuit Low >> Diagnostic Method
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Diagnostic Method

Judge NG when the malfunction criteria below are completed.

Judgment Value 

MALFUNCTION CRITERIA AND THRESHOLD VALUE

Malfunction Criteria Threshold Value
Continuous time of completing criteria below. >/= 2.5 seconds
Duty ratio of 'ON' < 75%
Terminal output voltage Low

Time Needed for Diagnosis:  2.5 seconds

Malfunction Indicator Light Illumination:  Illuminates as soon as malfunction occurs.

Judge OK and clear NG when the malfunction criterion below is completed.

Judgment Value 

MALFUNCTION CRITERIA AND THRESHOLD VALUE

Malfunction Criteria Threshold Value
Terminal output voltage High