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Home >> Hyundai >> 2006 >> Santa Fe Limited, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3.5L) (1 Of 2) >> DTC Troubleshooting >> DTC P0153 Ho2S Circuit Slow Response (Bank 2/Sensor 1) >> 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 from HO2S with scan tool.

    Specification: Response times: lean to rich ( Less than 1.3sec) & from rich to lean (Less than 0.7sec)

    Fig 1: Scan Tool Display - 08 CARB OBD-II DIAGNOSIS
    G04931735Courtesy of HYUNDAI MOTOR CO.
  4. Is the signal waveform switching within specification?

    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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