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Home >> Kia >> 2014 >> Soul Base, Automatic Trans >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heater System >> Mode Control Actuator >> Repair procedures >> Inspection

Repair procedures: Inspection

  1. Turn the ignition switch OFF.
  2. Disconnect the mode control actuator connector.
  3. Verify that the mode control actuator operates to the defrost mode when connecting 12V to terminal 3 and grounding terminal 7.

    Verify that the mode control actuator operates to the vent mode when connected in reverse.

    Fig 1: Mode Control Actuator Connector Terminal Identification
    G09778737Courtesy of KIA MOTORS AMERICA, INC.
  4. Connect the mode control actuator connector.
  5. Turn the ignition switch ON.
  6. Check the voltage between terminal 5 and 4.
    VOLTAGE SPECIFICATION

    Door position Voltage (V) Error detecting
    Vent 0.3±0.15 Low voltage: 0.1V or less
    Defrost 4.7±0.15 High voltage: 4.9V or more

    It will feedback the current position of the actuator to controls.

  7. If the measured voltage is not within specification, substitute with a known-good mode control actuator and check for proper operation.
  8. Replace the mode control actuator if it is proved that there is a problem with it.
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