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Home >> Kia >> 2017 >> Optima LX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 2.4L (Except HEV) >> Knock Sensor (KS) >> Repair Procedures >> Inspection
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Repair Procedures: Inspection

  1. Turn the ignition switch OFF.
  2. Disconnect the knock sensor connector (A).
    Fig 1: Disconnecting Knock Sensor Connector
    G12146874Courtesy of KIA MOTORS AMERICA, INC.
  3. Measure resistance between the injector terminals 1 and 2.
  4. Check that the resistance is within the specification.

    Specification:  About 4.87 MΩ [20°C (68°F)]