LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2018 >> WRX STI >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (1 Of 4) (STI) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0141: O2 Sensor Heater Circuit Bank 1 Sensor 2 >> Execution Condition
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Execution Condition

Secondary parameters Execution condition
Battery voltage ≥ 10.9 V
Elapsed time after starting the engine ≥ 1000ms
A/F sensor element impedance ≥ 35O
A/F sensor heater control duty ≥ 75%
Rear oxygen sensor heater control duty < 75%
scientia non olet · About LEMON Manuals