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Home >> Subaru >> 2013 >> Legacy Premium, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Diagnostic Trouble Code (DTC) Detecting Criteria (H6DO)) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0140 O2 Sensor Circuit No Activity Detected (Bank1 Sensor2) >> Enable Condition (Used Only For Malfunction Judgment)

Enable Condition (Used Only For Malfunction Judgment)

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ENABLE CONDITIONS

Secondary Parameters Enable Conditions
Closed loop control at the rear oxygen sensor In operation
Target output voltage of rear oxygen sensor ≥ 0.55 V + 0.05 V
Amount of intake air ≥ 10 g/s (0.35 oz/s)
Engine coolant temperature ≥ 75 °C (167 °F)
Misfire detection every 200 rotations < 65535 time(s)
Front oxygen (A/F) sensor compensation coefficient Not in limit value
Battery voltage ≥ 10.9 V
Deceleration fuel cut of 5000 ms or more. Experienced