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Home >> Kia >> 2012 >> Optima SX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) - 2.0L >> DTC P0136: O2 Sensor Circuit (Bank 1/Sensor 2) >> 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
  • Voltage range check
  1. Open in signal harness
  2. Open in ground harness
  3. Poor connection or damaged harness
  4. Faulty Heated O2 Sensor (HO2S)
Enable Conditions
  • O2 Sensor operative readiness
  • O2 Sensor preheating and full heating phases finished
  • No relevant failure
  • 10V < Battery voltage < 16V
Threshold Value
  • 0.37 < Downstream O2 Sensor voltage < 0.49V & sensor element resistance > 60kΩ
Diagnostic Time
  • 30 sec.
Mil On Condition
  • 2 Drive Cycles
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