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Home >> Kia >> 2005 >> Optima LX, 2.4 6, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System/Fuel System - 2.4L (M/T) >> MFI Control System >> Idle Speed Control Actuator (ISA) >> Inspection >> Without Scan Tool
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Without Scan Tool

  1. Disconnect the connector at the idle speed control actuator.
  2. Measure the resistance between terminals.
    Fig 1: Checking Idle Speed Control Actuator (ISA) Without Scan Tool
    G00330876Courtesy of KIA MOTORS AMERICA, INC.

    Standard value:

    1. Terminal 3 - 2 (Open): 14.5-16.5 Ω
    2. Terminal 1 - 2 (Closing): 16.6 - 18.6 Ω (at 20°C (68°F))