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Home >> Kia >> 2016 >> Optima SX Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 95 (Engine Control System Diagnosis - 1.6L (1 Of 3) - Optima (Except HEV)) >> DTC P0031: HO2S Heater Control Circuit Low (Bank 1/Sensor 1) >> DTC Inspection >> Monitor KDS/GDS Data

Monitor KDS/GDS Data

WARNING: This page is about a different variant/trim than selected.
  1. Connect KDS/GDS to DLC (Data Link Cable).
  2. Warm up the engine to normal operating temperature.
  3. Check the "Current Data" about related DTC with KDS/GDS.
    Fig 1: Screen Display - Engine Idle On Cold Condition
    G11833047Courtesy of KIA MOTORS AMERICA, INC.
    1. HO2S (S1) performs Max Heater (Approx. 97%) after Engine Cold-start.

      Lambda Control is performed after Engine Cold-start after 14s

    Fig 2: Screen Display - Engine Idle After Warm Up
    G11833048Courtesy 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 ECM's connector or was repaired and ECM 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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