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Home >> Subaru >> 2017 >> Forester 2.0XT Touring >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Diagnostics) (P000A To P015B) (H4DOTC) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0134 A/F/O2 Sensor Circuit No Activity Detected Bank 1 Sensor 1 >> Execution Condition

Execution Condition

Secondary Parameters Execution condition
Battery voltage ≥ 10.9 V
<When out of rage, the malfunction signal is received> Front oxygen (A/F) sensor impedance > 403 Ω
<When stuck> Front oxygen (A/F) sensor impedance ≤ 403 Ω