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Kia Sorento: Temperature Control Actuator Inspection - Heater - Heating,Ventilation And Air Conditioning - Kia Sorento XM 2011-2025 Service ManualKia Sorento: Temperature Control Actuator Inspection

Second Generation XM (2011-2025) / Kia Sorento XM 2011-2025 Service Manual / Heating,Ventilation And Air Conditioning / Heater / Temperature Control Actuator Inspection

1.
Turn the ignition switch OFF.
2.
Disconnect the temperature control actuator connector.
3.
Verify that the temperature control actuator operates to the warm position when connecting 12V to terminal 3 and grounding terminal 4.
Verify that the temperature control actuator operates to the cool position when connected in reverse.
[Driver's side]

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

[Passenger's side]

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 the terminals.
A.
Driver's side: 6 and 7
B.
Passenger's side: 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

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.
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