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Home >> Hyundai >> 2014 >> Equus Signature >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) >> DTC P0136: O2 Sensor Circuit(Bank 1/Sensor 2) >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
Case1 DTC Strategy
  • Open circuit
  1. Poor connection
  2. Open or short power/ground in signal circuit
  3. B1/S2
Enable Conditions
  • Battery voltage is higher than 10.7V
  • Exhaust gas temperature (model) is between 600°C and 900°C
Threshold Value
  • Internal resistance is higher than 40kΩ
Case2 DTC Strategy
  • Feedback check
Enable Conditions
  • Battery voltage is higher than 10.7V
  • Downstream O2S voltage is between 0.40V and 0.50V
  • After enough heated
Threshold Value
  • Average of loaded voltage is higher than 2.8V
Diagnostic Time
  • -
MIL ON Condition
  • 2 driving cycle
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