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Home >> Subaru >> 2022 >> Outback Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2.5L) (Diagnostics) (1 Of 4) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P0037: A/F/O2 Heater Control Circuit Low Bank 1 Sensor 2 >> 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 SPECIFICATION SPECIFICATION

Malfunction Criteria Threshold Value
Output voltage Battery voltage x 0.47 or less

Time needed for diagnosis:  10 s

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