Hyundai Sonata LF: Heater / Temperature Control Actuator Description and Operation
The temperature control actuator is located at the heater unit. It regulates the temperature by the procedure as follows.
The signal from the control unit adjusts the position of the
temperature door by operating the temperature switch. Then the
temperature will be regulated by the hot/cold air ratio decided by the
position of the temperature door.
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
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