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Home >> Subaru >> 2023 >> WRX Base, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics) (4 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P2228: Barometric Pressure Sensor "A" Circuit Low >> General Description >> Diagnostic Method

Diagnostic Method

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

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
Barometric pressure Less than 52.825 kPa (396.3 mmHg, 15.6 inHg)

Time needed for diagnosis:  520 ms

Malfunction indicator light illumination:  Illuminates as soon as a malfunction occurs.