Kia Stinger: Heater / Mode Control Actuator

Kia Stinger CK 2018-2025 Service Manual / Heating, Ventilation And Air Conditioning / Heater / Mode Control Actuator

Description and operation

Description

Located in the heater unit, the mode control actuator adjusts the position of the mode door by operating the mode control actuator according to the signal from the A/C control unit.

Pressing the mode select switch shifts the mode control actuator in the order of Vent → Bi-Level → Floor → Mix.

Repair procedures

Inspection

1.	Turn the ignition switch OFF.

2.	Disconnect the mode control actuator connector.

Verify that the mode control actuator operates to the defrost mode when 12V is connected to terminal 3 and ground to terminal 7.

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

1. -
2. -
3. Vent Mode
4. Sensor (+5V)

5. Feedback signal
6. Sensor ground
7. Defrost mode

4.	Connect the mode control actuator connector.

5.	Turn the ignition switch ON.

Check the voltage between terminals 5 and 6.

Specification

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

The current position of the actuator will be sent to the control unit.

7.	If the measured voltage is not within the specification, substitute with a verified temperature control actuator and check for proper operation.

8.	Replace the mode control actuator if it is proved that there is a problem with it.

Replacement

1.	Disconnect the negative (-) battery terminal.

2.	Remove the steering coulmn and shaft. (Refer to Steering System - "Steering Coulmn and Shaft")

3.	Disconnect the connector (A) and then remove the mode control actuator (B) after loosening the screws.

4.	Install in the reverse order of removal.

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