2005 Kia Sedona EXFACTORY OEM SERVICE PROCEDURE

Basic Idle Speed Adjustment

NOTE:
  • Before adjusting idle speed, be sure to check the basic ignition timing and adjust if out of specification. Check that the spark plugs, injectors, ISC motor, compression, etc. are normal.
  • Clean the throttle body area.

Adjustment conditions; 

Engine coolant temperature is 80 to 95°C (176 to 205°F). Lights, electric cooling fan and all accessories are off. Transaxle is in neutral ("P" or "N" range for A/T vehicles). Steering wheel in straight forward position (Vehicles with power steering).

  1. Loosen the accelerator cable.
  2. Connect the HI-SCAN to the data link connector in the fuse box.
  3. If the HI-SCAN is not used, connect a tachometer, and ground the No. 8 pin in the data link connector.

    Diagnosis Connector - 20 Pin

    Fig 1: Illustrating 20 Pin Connector Pinout
    G02196465Courtesy of KIA MOTORS AMERICA, INC.

    OBD II Connector - 16 Pin

    Fig 2: Illustrating 16 Pin Connector Pinout
    G02196466Courtesy of KIA MOTORS AMERICA, INC.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.