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Home >> Subaru >> 2013 >> Legacy Premium, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 42 (Diagnostic Trouble Code (DTC) Detecting Criteria (H4DO)) >> 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)

WARNING: This page is about a different car, the 2013 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
ENABLE CONDITION

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