Kia Sportage: Heater / Temperature Control Actuator Repair procedures

Kia Sportage QL (2015-2021) 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.
3.
Verify that the temperature control actuator operates to the cool position when 12V is connected to terminal 3 and ground to terminal 4.
Verify that the temperature control actuator operates to the warm position when connected in reverse.

1. -
2. -
3. Warm position
4. Cool position
5. Sensor ground
6. Feedback signal
7. Sensor (+ 5V)

4.
Connect the temperature control actuator connector.
5.
Turn the ignition switch ON.
6.
Check the voltage between terminals 5 and 6.
Specification
Door Position
Voltage (V)
Error Detecting
Max. cooling (Driver side)
1.33 ± 0.15
Low voltage : 0.1V LESS
High voltage : 4.2V MORE
Max. heating (Driver side)
4.0 ± 0.15
Max. cooling (Passenger side)
4.0 ± 0.15
Max. heating (Passenger side)
1.33 ± 0.15

It will feedback the current position of the actuator to controls.
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 temperature control actuator if it is proved that there is a problem with it.
Replacement
[Driver 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 side shower duct (A) after loosening the screw.

4.
Remove the smart key unit.
(Refer to Body Electrical System - "Smart Key Unit")
5.
Disconnect the connector (A) and then remove the temperature control actuator (B) after loosening the mounting screws.

6.
Install in the reverse order of removal.
[Passenger side]
1.
Disconnect the negative (-) battery terminal.
2.
Remove the glove box housing.
(Refer to Body - "Glove Box Housing")
3.
Remove the passenger side showe 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.
Temperature Control Actuator Description and operation
Description The heater unit includes mode control actuator and temperature control actuator. Located in the heater unit, the temperature control actuator regulates the temperatur ...

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/ ...

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