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Home >> Hyundai >> 2013 >> Azera >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P2197: O2 Sensor Signal Stuck Lean (Bank 2 Sensor 1) >> General Information >> DTC Detecting Condition
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General Information: DTC Detecting Condition

Item Detecting Condition Possible cause
DTC Strategy
  • Monitor HO2S's signal
  1. Poor Connection
  2. Faulty HO2S
  3. Clogging of fuel filter in fuel pump
  4. Faulty PCM
Enable Conditions
  • Battery voltage ≥ 10V
  • Engine running ≥ 60sec.
  • Power Enrichment conditions
  • Engine warm-up state
  • Not in Transient Conditions
Threshold value
  • HO2S's signal < 0.55V and Air Fuel Ratio ≤ 13.49
Diagnosis Time
  • Continuous (More than 8 sec. failure for every 9 sec. Test)
MIL On Condition
  • 2 Drive Cycles
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