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Home >> Subaru >> 2018 >> Impreza Base, 4D Sedan, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics) (P000A To P015B) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P0141: O2 Sensor Heater Circuit Bank 1 Sensor 2 >> Diagnostic Method

Diagnostic Method

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

JUDGMENT VALUE DESCRIPTION

Malfunction Criteria Threshold Value
Rear oxygen sensor impedance More than 110Ω Time needed for diagnosis:  10000ms

Malfunction indicator light illumination:  Illuminates when malfunction occurs in 2 continuous driving cycles.
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