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Home >> Kia >> 2017 >> Soul Base, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System Diagnosis - 1.6L (1 Of 3) >> DTC P0139: O2 Sensor Circuit Slow Response (Bank 1/Sensor 2) >> DTC Inspection >> Monitor KDS/GDS Data
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Monitor KDS/GDS Data

  1. Connect KDS/GDS to Data Link Connection (DLC).
  2. Warm up the engine to normal operating temperature.
  3. Check the "Current Data"  about related DTC with KDS/GDS.
    Fig 1: Scantool Display - HO2S Downstream (S2) Heater Control Status
    G12211934Courtesy of KIA MOTORS AMERICA, INC.
    Fig 2: Scantool Display - Engine Idle After Warm-Up & Maintain Engine Speed (Approx 2000RPM) While Accelerating
    G12211935Courtesy of KIA MOTORS AMERICA, INC.
  4. Are the parameters displayed correctly?

    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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