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Home >> Subaru >> 2016 >> Forester 2.0XT Premium >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls (Diagnostics) (H4DOTC) (2 Of 4) >> DTC P0141 O2 Sensor Heater Circuit (Bank1 Sensor2) >> 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

Malfunction Criteria Threshold Value
Rear oxygen sensor heater current < Value of Map
MAP SPECIFICATION

Battery voltage (V) 10.9 12 13 14 15 16
Threshold Value (mA) 330 357.5 385 412.5 440 467.5

Time Needed for Diagnosis:  10 seconds

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