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Home >> Genesis >> 2019 >> G80 3.8, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 3.8L (3 Of 3) >> DTC P2196: O2 Sensor Signal Stuck Rich (Bank 1 Sensor 1) >> Component Inspection >> Check The Signal Waveform Of HO2S

Check The Signal Waveform Of HO2S

  1. IG "OFF". Connect HO2S connector.
  2. Engine start.
  3. With engine at operating temperature, monitor signal waveform of HO2S with GDS.
    G12651871Courtesy of HYUNDAI MOTOR AMERICA
    G12651872Courtesy of HYUNDAI MOTOR AMERICA
  4. Is the sensor switching properly?

    YES 

    • Substitute with a known - good ECM (PCM) and check for proper operation. If the problem is corrected, replace ECM (PCM) and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Substitute with a known - good HO2S and check for proper operation. If the problem is corrected, go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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