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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 34 (Engine Control System Diagnosis - 1.6L (1 Of 3) (Except HEV)) >> DTC P0135: O2 Sensor Heater Circuit (Bank 1/Sensor 1) >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • Signal check
  1. Poor connection
  2. Open or Short to ground in power circuit
  3. Open in control circuit
  4. S1
Enable Conditions
  • Exhaust Gas temperature is higher than 450°C (842°F)
  • Heating period is higher than 45sec
  • Battery voltage is higher than 10.7V and lower than 16V
Threshold Value
  • When Internal resistance is greater than threshold value (Calculated by exhaust gas temp. or heating power)
Diagnostic Time
  • 60sec.
MIL ON Condition
  • 2 driving cycle
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