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Home >> Kia >> 2010 >> Forte EX, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (ULEV) (1 Of 2) >> DTC P0077: Intake Valve Control Solenoid Circuit-High (Bank 1) >> General Information >> Signal Waveform & Data

Signal Waveform & Data

  1. Connect scantool and select Data Analysis.
  2. After warming-up, check following items.
    Fig 1: Scantool Screen Display - Signal Waveform & Data
    G06490659Courtesy of KIA MOTORS AMERICA, INC.
  3. Data analysis
    • A Sector: CVVT works
    • B Sector: Limp Home Mode (CVVT doesn't work.)
    • CVVT Control Flow (A Sector)

    : Acceleration pedal ( ) shift → Engine RPM change → Camshaft Position Setpoint ( ) change → CVVT Valve Duty ( ) change → Inlet CAM Position ( ) change

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