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Home >> Kia >> 2017 >> Soul Base, Automatic Trans >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heater System >> Temperature Control Actuator >> Repair Procedures >> Inspection

Repair Procedures: Inspection

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

    Verify that the temperature control actuator operates to the warm position when connected in reverse.

    Fig 1: Connecting 12V To Terminal 3 And Grounding Terminal 7
    G12238197Courtesy of KIA MOTORS AMERICA, INC.
  4. Connect the temperature control actuator connector.
  5. Turn the ignition switch ON.
  6. Check the voltage between terminal 5 and 6.

    Specification 

    Door Position Voltage (V) Error Detecting
    Max. cooling 0.3±0.15 Low voltage: 0.1V or less
    High voltage: 4.9V or more
    Max. heating 4.7±0.15

    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 temperature control actuator and check for proper operation.
  8. Replace the temperature control actuator if it is proved that there is a problem with it.
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