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Home >> Kia >> 2013 >> Soul Base, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) - 1.6L >> DTC P2251: O2 Sensor Reference Ground Circuit/Open (Bank 1 Sensor 1) >> Scantool Diagnostics >> Monitor GDS Data
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Monitor GDS Data

  1. Connect GDS to DLC(Data Link Cable).
  2. Warm up the engine to normal operating temperature.
  3. Monitor "HO2S(S1)" parameter on GDS.
    Fig 1: Display - HO2S(S1) Current Data
    G08333506Courtesy of KIA MOTORS AMERICA, INC.
  4. Is the "HO2S(S1)" parameter displayed correctly?

    YES 

    Fault is intermittent caused by poor contact in the sensor's and/or ECM's connector or was repaired and ECM 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 

    Go to "TERMINAL & CONNECTOR INSPECTION " procedure.

    NOTE: This DTC might be caused by the malfunction of Heater circuit, so, check the heater circuit first.
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