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Home >> Subaru >> 2006 >> Forester X, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO) >> DTC P0607 Control Module Performance >> DTC P1443 Vent Control Solenoid Valve Function Problem >> Diagnostic Method
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Diagnostic Method

Abnormality Judgment 

Judge as NG when the continuous time of completing all the malfunction criteria below becomes more than 3 seconds.

Judgment Value 

JUDGMENT VALUE

Malfunction Criteria Threshold Value
Tank pressure ≤ -4.0 kPa (-30mmHg,-1.18inHg)

Time Needed for Diagnosis:  3 seconds

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

Normality Judgment 

Judge as OK and clear the NG when the all malfunction criteria below are met.

Judgment Value 

JUDGMENT VALUE

Malfunction Criteria Threshold Value
Tank pressure > -4.0 kPa (-30mmHg,-1.18inHg)
Cumulative time when all of the malfunction criteria below is completed. ≥ 30 sec.
Purge control solenoid valve duty ratio Not = 0
Fuel temp. -10 - 45°C (14 - 113°F)
Intake manifold relative pressure ≤ -26.7 kPa (-200 mmHg, - 7.87 inHg)