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Home >> Kia >> 2016 >> Soul Base, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 1.6L (3 Of 3) >> DTC P0638: Throttle Actuator Control Range/Performance >> Component Inspection

Component Inspection

■ Perform ETC Motor Actuation Test 

  1. Connect KDS/GDS to Data Link Connector (DLC).
  2. Ignition "ON" & Engine "OFF".
  3. Perform "Actuation Test"  for ETC Motor.
Fig 1: Scantool Display - Current Data And Actuation Test
G11947777Courtesy of KIA MOTORS AMERICA, INC.

■ ETC Motor Inspection 

  1. Ignition "OFF".
  2. Disconnect ETC Motor connector.
  3. Measure resistance between power and control terminal of the ETC Motor. (component side)

    Specification:  Approx. 2 ~ 3Ω [20°C (68 °F)]

    G11947778Courtesy of

■ Confirm Part Inspection 

  1. Does the ETC Motor operate properly? (Check variation)

    YES 

    NO 

    • Carefully re-do this troubleshooting guide steps.
    • If problem still occurs, replace ETC Motor and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.