Mode Control Actuator: Inspection

WARNING: This page is about a different car, the 2005 Kia Spectra5, 2005 Kia Spectra, and 2004 Kia Spectra. However, it is still accessible from the selected car via links, so may be relevant.

Verify that the mode actuator operates to the vent position when connecting 12V to the terminal 1 and grounding terminal 2.
Verify that the mode actuator operates to the defrost position when connecting in the reverse.

Fig 1: Testing Temperature Mode Actuator
Courtesy of KIA MOTORS AMERICA, INC.
Check the voltage between terminals 3 and 4. It will feed back current position of actuator to controls.

Fig 2: Mode Actuator Voltage Chart

Courtesy of KIA MOTORS AMERICA, INC.