Kia Sorento: Mode Control Actuator Inspection

Kia Sorento (MQ4, 2021-2026) Service Manual / Heating,Ventilation And Air Conditioning / Heater / Mode Control Actuator Inspection

Inspection

IG OFF.

2.	Disconnect the mode control actuator connector. (Refer to Mode Control Actuator - "Removal and Installation")

3.	Apply voltage to the mode control actuator 3 terminal and ground the 7 terminal to check whether the actuator operates.

When connecting in the opposite, check if it operates in reverse.

[Driver's side]

Heating,Ventilation And Air Conditioning — Heater / Mode Control Actuator / Inspection illustration

1. -
2. -
3. Defrost Mode
4. Sensor Ground

5. Feedback Signal
6. Sensor power (5 V)
7. Vent Mode

[Passenger's side]

Heating,Ventilation And Air Conditioning — Heater / Mode Control Actuator / Inspection illustration

1. -
2. -
3. Defrost Mode
4. Sensor Ground

5. Feedback Signal
6. Sensor power (5 V)
7. Vent Mode

5.	Connect the mode control actuator connector.

IG ON.

Measure the voltage of the 4 - 5 terminal.

Door Position	Voltage (V)	Error Detection
Vent	0.3 ± 0.15	Low voltage: less than 0.1 V High voltage: over 4.9 V
Defrost	4.7 ± 0.15	Low voltage: less than 0.1 V High voltage: over 4.9 V

* Feedback the current position of the actuator to the control.

8.	If the measured voltage does not match with the specifications, replace it with a new mode control actuator.

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Kia Sorento: Mode Control Actuator Inspection

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