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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 P2227 Atmospheric Pressure Sensor Circuit Range/Performance >> Diagnostic Method
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Diagnostic Method

Judge NG when the continuous time of completing the malfunction criteria below becomes more than 0.3 seconds.

Judgment Value 

MALFUNCTION CRITERIA AND THRESHOLD VALUE

Malfunction Criteria Threshold Value
Atmospheric - manifold absolute pressure >/= 26.7 kPa (200 mmHg, 7.87 inHg)
Intake manifold pressure at engine starting - manifold absolute pressure < 1.33 kPa (10 mmHg, 0.39 inHg)

Time Needed for Diagnosis:  0.3 seconds

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

Judge OK and clear the NG when the continuous time of completing the malfunction criteria below becomes more than 0.26 seconds.

Judgment Value 

MALFUNCTION CRITERIA AND THRESHOLD VALUE

Malfunction Criteria Threshold Value
Atmospheric - manifold absolute pressure < 26.7 kPa (200 mmHg, 7.87 inHg)