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Kia Sedona: Mode Control Actuator Repair procedures - Heater - Heating,Ventilation And Air Conditioning - Kia Sedona YP Service ManualKia Sedona: Mode Control Actuator Repair procedures

Third generation YP (2014-2025) / Kia Sedona YP Service Manual / Heating,Ventilation And Air Conditioning / Heater / Mode Control Actuator Repair procedures

Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the mode control actuator connector.
3.
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.
6.
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 less
Defrost
4.7±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 mode control actuator if it is proved that there is a problem with it.
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the main crash pad assembly.
(Refer to Body - "Main Crash Pad Assembly")
3.
Remove the shower duct [LH] (A) after loosening the screw.

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

5.
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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