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Home >> Subaru >> 2006 >> Legacy GT spec.B >> Repair and Diagnosis >> External Pages >> Different car >> Section 66 (Diagnostic Trouble Code (DTC) Detecting Criteria (H6DO)) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P2227 Barometric Pressure Circuit Range/Performance >> Diagnostic Method

Diagnostic Method

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

Judgment Value 

JUDGMENT VALUE REFERENCE CHART

Malfunction Criteria Threshold Value
|Atmospheric pressure - Manifold pressure | ≥ 26.7 kPa (200 mmHg, 7.88 inHg)
|Intake manifold pressure at engine startup - Manifold pressure | < 1.33 kPa (10 mmHg, 2.95 inHg)

Time Needed for Diagnosis:  0.3 seconds

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

Judge as OK and clear the NG when the continuous time of completing the malfunction criteria below becomes more than 0.262 seconds.

Judgment Value 

JUDGMENT VALUE REFERENCE CHART

Malfunction Criteria Threshold Value
|Atmospheric pressure - Manifold pressure | < 26.7 kPa (200 mmHg, 7.88 inHg)