Kia Carens: Heater / Temperature Control Actuator Repair procedures

Kia Carens RP (2013-2018) 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. Sensor (+ 5V)

5. Feedback signal
6. Sensor ground
7. Warm position

4.	Connect the temperature control actuator connector.

5.	Turn the ignition switch ON.

Check the voltage between terminal 5 and 6.

Specification

Door Position	Voltage (V)	Error Detecting
Max. cooling	0.3±0.15	Low voltage : 0.1V or less High voltage : 4.9V or less
Max. heating	4.7±0.15	Low voltage : 0.1V or less High voltage : 4.9V or less

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

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

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

Replacement

[Driver's side]

1.	Disconnect the negative (-) battery terminal.

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

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

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

5.	Install in the reverse order of removal.

[Passenger's side]

1.	Disconnect the negative (-) battery terminal.

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

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

4.	Remove the evaporator temperature sensor wiring mounting clip (A).

5.	Disconnect the connector (B) and then remove the temperature control actuator (C) after loosening the mounting screws.

6.	Install in the reverse order of removal.

Temperature Control Actuator Description and operation

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