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

Third generation YP (2014-2025) / Kia Sedona YP Service Manual / Heating,Ventilation And Air Conditioning / Rear Heater / Rear 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. Vent mode
4. Sensor ground
5. Feedback signal
6. Sensor (+ 5V)
7. Floor mode

4.
Connect the mode control actuator connector.
5.
Turn the ignition switch ON.
6.
Check the voltage between terminals 5 and 4.
Door position
Voltage (V)
Error detecting
Vent
0.3±0.15
Low voltage : 0.1V or less
High voltage : 4.9V or more
Floor
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 mode 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.
Remove the rear heater & A/C unit.
(Refer to Rear Heater - "Rear Heater Unit")
2.
Disconnect the rear mode control actuator connector (A) and then remove the rear mode control actuator (B) after loosening the screws.

3.
Install in the reverse order of removal.
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