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Home >> Kia >> 2009 >> Sedona Base >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures (2 Of 2) >> P2A03: O2 Sensor Not Ready (Bank 2/Sensor 1) >> Monitor Scan Tool Data
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Monitor Scan Tool Data

  1. Connect scan tool & "ON"
  2. Warm up the engine to normal operating temperature.
  3. Monitor HO2S voltage (B2/S1) parameter on scan tool

    Specification: Voltage will vary from 0.1 to 0.9 V

    Fig 1: Scan Tool Display Screen - Oxygen Sensor
    G04883619Courtesy 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. bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

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