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Home >> Subaru >> 2015 >> XV Crosstrek Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnostic Trouble Code (DTC) Detecting Criteria (Except Hybrid) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0141: O2 Sensor Heater Circuit (Bank1 Sensor2) >> 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

Malfunction Criteria Threshold Value
Measured secondary oxygen sensor heater control voltage 12 V battery system voltage x 0.88 V

Time Needed for Diagnosis:  4 ms x 2500 time(s)

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

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