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Home >> Subaru >> 2013 >> Legacy Premium, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 50 (Diagnostic Trouble Code (DTC) Detecting Criteria (H4DOTC)) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0141 O2 Sensor Heater Circuit (Bank1 Sensor2) >> Enable Conditions

Enable Conditions

WARNING: This page is about a different car, the 2013 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
ENABLE CONDITION

Secondary Parameters Enable Conditions
Battery voltage ≥ 10.9 V
Elapsed time after starting the engine ≥ 1000 ms
Engine coolant temperature ≥ 70 °C (158 °F)
A/F sensor element impedance ≤ 50 Ω
A/F sensor heater control duty ≤ 75 %
Rear oxygen sensor heater control duty < 30 %