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Home >> Kia >> 2009 >> Sedona Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> DTC Troubleshooting Procedures (1 Of 2) >> P0159: Ho2S Circuit Slow Response (Bank 2/Sensor 2) >> Monitor Scan Tool Data

Monitor Scan Tool Data

  1. Connect scan tool then Engine "ON"
  2. Warm up the engine to normal operating temperature.
  3. Monitor the signal waveform of HO2S (B2S2) with scan tool

    Specification: 0.1-0.9V

    Fig 1: Scan Tool Display - Current Data
    G04883388Courtesy of KIA MOTORS AMERICA, INC.
  4. Is the HO2S parameter displayed within specifications ?

    YES 

    • Fault is intermittent caused by poor contact in the sensor' s and/or PCM' s connector or was repaired and PCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, ending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure

    NO