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Home >> Subaru >> 2018 >> WRX Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (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

Execution Condition

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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%