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Home >> Kia >> 2012 >> Optima Hybrid >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) - HEV >> 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

Item Detecting Condition Possible cause
DTC Strategy
  • Plausability 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 temperature > 300°C (572°F)
  • 10V < Battery voltage < 16V
Threshold value
  • Signal < 3.1V
Diagnosis Time
  • 6sec. After fuel cut-off
MIL On Condition
  • 2 Driving Cycles