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Home >> Subaru >> 2021 >> Outback Limited XT >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2.4L) (Diagnostics) (4 Of 4) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P2227: Barometric Pressure Sensor "A" Circuit Range/Performance >> General Description >> Diagnostic Method
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Diagnostic Method

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

JUDGMENT VALUE - DIAGNOSIS 1

Malfunction Criteria Threshold Value
|Barometric pressure - Intake manifold pressure at start| 15.97 kPa (119.8 mmHg,
4.72 inHg) or more
JUDGMENT VALUE - DIAGNOSIS 2

Malfunction Criteria Threshold Value
|Barometric pressure - Intake manifold pressure| 15.97 kPa (119.8 mmHg, 4.72 inHg) or more

Time needed for diagnosis 

Diagnosis 1:  Less than 1 s

Diagnosis 2:  Less than 1 s

Malfunction indicator light illumination:  Illuminates when malfunction occurs in 2 continuous driving cycles.