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Home >> Subaru >> 2013 >> Forester X, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4DO) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0141 O2 Sensor Heater Circuit (Bank1 Sensor2) >> Enable Conditions

Enable Conditions

ENABLE CONDITION

Secondary Parameters Enable Conditions
Battery voltage ≤ 10.9 V
Elapsed time after starting the engine ≤ 1000 ms
Engine coolant temperature ≤ 75 °C (167 °F)
A/F sensor element impedance ≥ 50 Ω
A/F sensor heater control duty ≥ 75 %
Rear oxygen sensor heater control duty < 70 %
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