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MONITOR Scan Tool DATA

  1. Connect scan tool to Data Link Connector (DLC).
  2. Warm up the engine to normal operating temperature.
  3. Monitor the HO2S (B1/S2) parameter on the scan tool.
    Fig 1: Monitoring HO2S (B1/S2) Parameter On Scan Tool
    G03852075Courtesy of HYUNDAI MOTOR CO.
  4. Is the same DTC displayed again?

    YES 

    • Go to "W/HARNESS INSPECTION" procedure

    NO 

    • 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 then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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