Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Subaru >> 2019 >> WRX Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Control System (Diagnostics) (STI) (1 Of 4)) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P0141: O2 Sensor Heater Circuit Bank 1 Sensor 2 >> Execution Condition

Execution Condition

WARNING: This page is about a different variant/trim than selected.
Secondary parameters Execution condition
Battery voltage ≥ 10.9 V
Elapsed time after starting the engine ≥1000 ms
A/F sensor element impedance ≤35Ω
A/F sensor heater control duty ≤75%
Rear oxygen sensor heater control duty < 75%