DTC P0140: O2 Sensor Circuit No Activity Detected (Bank 1/Sensor 2): DTC Detecting Condition

2013 Hyundai Genesis Coupe 2.0T PremiumSECTION DTC Detecting Condition
WARNING: This page is about a different car, the 2012 Hyundai Genesis Coupe. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTING CONDITION CHART

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitor signal voltage
  • Poor connection
  • Open in harness
  • HO2S (B1/S2)
  • ECM
Enable Conditions
  • Battery voltage β‰₯ 10V
  • Engine running β‰₯ 60 sec
  • Engine warm-up state
  • No disable faults
Threshold value Case 1
  • 1.2V ≀ Voltage of HO2S ≀ 3.9V

    (at pumping current ON)

Case 2
  • 0.415V ≀ Voltage of HO2S ≀ 0.515V

    (at pumping current OFF)

Diagnosis Time
  • Continuous (more than 76.5 sec. failure for every 90 sec. test)
MIL On Condition
  • 2 Driving Cycles
RENDER: 1.0x

NO RELATED

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