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Home >> Kia >> 2017 >> Forte5 SX, Automatic DCT Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 1.6L T (2 Of 3) >> DTC P050A: Cold Start Idle Air Control System Performance >> Component Inspection

Component Inspection

■ Check ECTS performance 

  1. Ignition "OFF".
  2. Disconnect ECTS connector.
  3. Measure resistance between signal and ground of the ECTS. (Component Side)

    Specification:  Approx. 1.8kΩ at 81.9°F (27°C)

    Fig 1: Scantool Display - Resistance Of ECTS
    G12153946Courtesy of KIA MOTORS AMERICA, INC.

■ Check IATS performance 

  1. Ignition "OFF".
  2. Disconnect IATS connector.
  3. Measure resistance between signal and ground of the IATS. (Component Side)

    Specification:  Approx. 1.5kΩ at 83.3°F (28.5°C)

    Fig 2: Scantool Display - Resistance Of IATS
    G12153947Courtesy of KIA MOTORS AMERICA, INC.
  4. Does the IATS, ECTS operate properly? (Check variation)

    YES 

    NO 

    • Carefully re-do this troubleshooting guide steps.
    • If problem still occurs, replace ECTS, IATS and then go to "Verification Of Repair " procedure.