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Home >> Kia >> 2011 >> Optima LX, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) - 2.4L >> DTC P2297: O2 Sensor Out Of Range During Deceleration - (Bank 1/Sensor 1) >> General Information >> DTC Detecting Condition
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General Information: DTC Detecting Condition

DTC DETECTING CONDITION AND POSSIBLE CAUSES

Item Detecting Condition Possible Cause
DTC Strategy
  • Plausibility check during fuel cut-off phase
  1. Poor connection or damaged harness
  2. Front HO2S
Enable Conditions
  • Fuel cut-off
  • Wide range sensor pump current valid
  • Sensor heater controlled heating
  • Exhaust gas temp. > 300°C (572°F)
  • 10V < Battery voltage < 16V
Threshold value
  • Signal < 3.1V
Diagnosis Time
  • 6 Seconds After fuel cut-off
MIL On Condition
  • 2 Drive Cycles
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