Hyundai Kona: Heater / Temperature Control Actuator Repair procedures

Hyundai Kona (OS) 2018-2025 Service Manual / Heating, Ventilation and Air Conditioning / Heater / Temperature Control Actuator Repair procedures

Inspection

1.	Turn the ignition switch OFF.

2.	Disconnect the temperature control actuator connector.

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.

1. -
2. -
3. Cool position
4. Warm position

5. Sensor (+ 5V)
6. Feedback signal
7. Sensor ground

4.	Connect the temperature control actuator connector.

5.	Turn the ignition switch ON.

Check the voltage between terminal 5 and 6.

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

Specification

Door Position	Voltage (V)	Error Detecting
Max. cooling	0.5 ± 0.15	Low voltage : 0.1V or less High voltage : 4.9V or more
Max. heating	4.5 ± 0.15	Low voltage : 0.1V or less High voltage : 4.9V or more

7.	If the measured voltage is not within specification, check the operation by replacing the existing temperature control actuator with a new genuine part. After that, determine whether replacement of the temperature control actuator is required or not.

Diagnosis With GDS

The heating, ventilation and air conditioning can be quickly diagnosed failed parts with vehicle diagnostic system (GDS).

※ The diagnostic system (GDS) provides the following information.

(1) Self diagnosis : Checking the failure code (DTC) and display.

(2) Current data : Checking the system input/output data state.

(3) Actuation test : Checking the system operation condition.

(4) Additional function : Other controlling such as he system option and zero point adjustment.

2.	Select the 'Car model' and the system to be checked in order to check the vehicle with the tester.

3.	Select the 'Current data' menu to search the current state of the input / output data. The input / output data for the sensors corresponding to the Temperature Control Actuator can be checked.

4.	To perform compulsory operation on Temperature Control Actuator input factors, select "ACTUATION TEST".

Replacement

1.	Disconnect the negative (-) battery terminal.

2.	Remove the glove box housing cover. (Refer to Body - "Glove Box Housing Cover")

3.	Remove the passenger's side shower duct (A) after loosening the screw.

4.	Disconnect the connector (A) and then remove the passenger's side temperature control actuator (B) after loosening the mounting screws.

5.	To install, reverse the removal procedure.

Temperature Control Actuator Description and operation

Description 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 ...

Mode Control Actuator Components and components location

Components Location 1. Mode control actuator ...

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