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Home >> Kia >> 2014 >> Soul Base, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) - 1.6L >> DTC P0135: O2 Sensor Heater Circuit (Bank 1/Sensor 1) >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Heater Performance Check.
  1. Poor connection
  2. Open or Short to ground in power circuit
  3. Damaged or corroded terminals
  4. HO2S (S1)
Case 1 Enable Conditions
  • B+ greater than 10.5V and less than 16.0 V.
  • Sensor heating time greater than 45 sec.
Threshold Value
  • Ceramic Temp less than 720 °C (1328°F).
Diagnostic Time
  • 3 sec.
Case 2 Enable Conditions
  • Exhaust Temp greater than 450 °C (842 °F).
  • Power of Sensor heating greater than 90 %.
  • Sensor heating time greater than 50 sec.
  • No Fuel Cut greater than 50 sec.
Threshold Value
  • Ceramic Temp less than 720 °C (1328 °F).
Diagnostic Time
  • 60 sec.
Case 3 Enable Conditions
  • Exhaust Temp greater than 450 °C (842 °F).
  • Sensor heating time greater than 50 sec.
  • No Fuel Cut greater than 50 sec.
Threshold Value
  • Ceramic Temp less than 640 °C (1184 °F).
Diagnostic Time
  • 10 sec.
MIL ON Condition
  • 2 driving cycles.

* S1: upstream oxygen sensor/S2: downstream oxygen sensor

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