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Home >> Subaru >> 2007 >> Forester X, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P1443 Vent Control Solenoid Valve Function Problem >> Diagnostic Method >> Judgment Value

Judgment Value

JUDGMENT VALUE

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

Time Needed for Diagnosis:  3 seconds

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



JUDGMENT VALUE

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