LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2013 >> Forester X, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4DO) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0141 O2 Sensor Heater Circuit (Bank1 Sensor2) >> Enable Conditions
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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 %