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Home >> Subaru >> 2019 >> WRX STI Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Engine Control System (Diagnostics) (Except For STI) (1 Of 4)) >> 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

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Secondary parameters Execution condition
Input voltage (+)
Battery voltage
≥ 10.9 V
Front oxygen (A/F) sensor impedance > 403 Ω
Sensor reference voltage
Battery voltage
≥ 10.9 V
Front oxygen (A/F) sensor impedance > 403 Ω
Input current
Battery voltage
≥ 10.9 V
Front oxygen (A/F) sensor impedance ≤ 403 Ω