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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 P0452 Evaporative Emission Control System Pressure Sensor Low Input >> Diagnostic Method
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Diagnostic Method

Judge NG when the continuous time of completing the malfunction criteria below becomes more than 15 seconds.

Judgment Value 

MALFUNCTION CRITERIA AND THRESHOLD VALUE

Malfunction Criteria Threshold Value
Fuel tank pressure < -7.33 kPa (-55 mmHg, -2.17 inHg)

Time Needed for Diagnosis:  15 seconds

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

Judge OK when the malfunction criteria below is completed.

Judgment Value 

MALFUNCTION CRITERIA AND THRESHOLD VALUE

Malfunction Criteria Threshold Value
Fuel tank pressure >/= -7.33 kPa (-55 mmHg, -2.17 inHg)
Feedback lambda coefficient >/= 0.9