Hyundai Santa Fe: Blower / Intake Actuator. Repair procedures

Hyundai Santa Fe (TM) 2019-2025 Service Manual / Heating,Ventilation And Air Conditioning / Blower / Intake Actuator. Repair procedures

Inspection

1.	Turn the ignition switch OFF.

2.	Disconnect the intake actuator connector.

Verify that the intake actuator operates to the fresh air position when connecting 12V to terminal 3 and grounding terminal 7.

Verify that the intake actuator operates to the recirculated air position when connected in reverse.

1. -
2. -
3. Fresh air
4. Sensor (+ 5V)

5. Feedback signal
6. Sensor ground
7. Recirculated air

4.	Connect the intake actuator connector.

5.	Turn the ignition switch ON.

Check the voltage between terminal 5 and 6.

Specification

Door position	Voltage (V)	Error detecting
Fresh air	0.3±0.15	Low voltage : 0.1V or less High voltage : 4.9V or less
Recirculated air	4.7±0.15	Low voltage : 0.1V or less High voltage : 4.9V or less

It will feedback the current position of the actuator to controls.

7.	If the intake actuator does not operate well, substitute with a known-good intake actuator and check for proper operation.

8.	Replace the intake 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.	Separate the intake actuator connector (A) and loosen the mounting screws and remove the intake actuator (B).

4.	Install in the reverse order of removal.

Intake Actuator. Components and components location

Rear Heater

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