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Home >> Hyundai >> 2009 >> Genesis 4.6 >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> DTC Troubleshooting Procedures (Fuel System (G8BA - GSL 4.6)) (1 Of 2) >> DTC P0140: O2 Sensor Circuit No Activity Detected (Bank 1/Sensor 2) >> DTC Detecting Condition
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DTC P0140: O2 Sensor Circuit No Activity Detected (Bank 1/Sensor 2): DTC Detecting Condition

DTC P0140 DETECTING CONDITION TABLE

Item Detecting Condition Possible Cause
DTC Strategy
  • O2S signal interrupt by heater
  • Poor connection
  • Open in harness
  • HO2S (B1/S2)
  • B1S2
Enable Conditions
  • Battery voltage > 10.7V
  • Exhaust gas temperature (model) <900C
  • After enough heated
  • Time after dew point end detected > 10 sec
Threshold value
  • Counter of Δ 'Downstream O2S voltage' > 2V during 0. 04sec after heater on->off > 5 times
Diagnosis Time
  • Continuous (more than 76.5 sec. failure for every 90 sec. test)
MIL On Condition
  • 2 Driving Cycles