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Home >> Hyundai >> 2011 >> Azera GLS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) >> DTC P0030: HO2S Heater Control Circuit (Bank 1/Sensor 1) >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item Detecting Condition Possible cause
DTC Strategy
  • Monitor the current through the heater
  1. Poor Connection
  2. HO2S(B1/S1)
  3. ECM
Enable Conditions
  • Engine Running > 60 sec
  • Heater Duty Cycle > 40%
  • Max. Duty Cycle - Min. Duty Cycle < 5%
Threshold value
  • Filtered Heater Current < threshold value
Diagnosis Time
  • Continuous (More than 2.5 second failure for every 5 second test)
MIL On Condition
  • 2 Driving Cycles
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