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Home >> Kia >> 2014 >> Optima Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) (HEV) >> DTC P0077: Intake Valve Control Solenoid Circuit-High_Bank 1 >> DTC Inspection >> Monitor GDS Data

Monitor GDS Data

  1. Connect GDS and select Data Analysis.
  2. After warming-up, check following items on the Current Data menu of the GDS.
    Fig 1: Waveforms Of CVVT
    G00551216Courtesy of KIA MOTORS AMERICA, INC.

    Engine Idle after Warm Up & Approx. 3000 RPM

    A Sector : CVVT works

    B Sector : Limp Home Mode (CVVT doesn't work.)

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

    NO 

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