Kia Soul EV: Heater / Mode Control Actuator Repair procedures

Kia Soul EV (PS EV) 2015-2020 Service Manual / Heating,Ventilation, Air Conditioning / Heater / Mode Control Actuator 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. Defrost mode
4. Sensor ground

5. Feedback signal
6. Sensor (+ 5V)
7. Vent mode

4.	Connect the mode control actuator connector.

5.	Turn the ignition switch ON.

Check the voltage between terminals 5 and 4.

Specification

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

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

7.	If the mode control actuator does not operate well, substitute with a known-good mode control actuator and check for proper operation. Use the replaced actuator if it performs well.

Replacement

[Driver''s Mode Actuator]

1.	Disconnect the negative (-) battery terminal.

2.	Remove the crash pad lower panel. (Refer to Body - "Crash Pad Lower Panel")

3.	Remove the driver shower duct (A) after loosening the mounting screw.

4.	Lower the steering column after loosening the mounting bolts. (Refer to Steering System - "Steering Column and Shaft")

5.	Disconnect the mode control actuator connector (A). And then remove the mode control actuator (B) after loosening the mounting screws.

6.	Install in the reverse order of removal.

[Passenger''s Mode Actuator]

1.	Disconnect the negative (-) battery terminal.

2.	Remove the main crash pad assembly. (Refer to Body - "Main Crash Pad Assembly")

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

4.	Install in the reverse order of removal.

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. ...

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