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Home >> Subaru >> 2021 >> Crosstrek Hybrid >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (Engine Control System (2.0L (Except For HEV)) (Diagnostics) (1 Of 4)) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P0140: O2 Sensor Circuit No Activity Detected Bank 1 Sensor 2 >> Diagnostic Method

Diagnostic Method

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G13202435Courtesy of SUBARU OF AMERICA, INC.

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

JUDGMENT VALUE SPECIFICATIONS

Malfunction Criteria Threshold Value
Secondary oxygen sensor signal (B) Less than 0.825V

Time needed for diagnosis:  1000 ms

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