Hyundai Palisade: Blower / Intake Actuator

Hyundai Palisade (LX2) 2020-2024 Service Manual / Heating,Ventilation And Air Conditioning / Blower / Intake Actuator

Description and operation

Description

The intake actuator is located at the blower unit. It regulates the intake door by a signal from the control unit. Pressing the intake selection switch will shift between recirculation and fresh air modes.

Components and components location

Components

Hyundai Palisade. Components and components location

1. 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.

Hyundai Palisade. Repair procedures

1. -
2. -
3. Fresh air
4. Recirculated air

5. Sensor power (+ 5V)
6. Feedback signal
7. Sensor ground

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	0.5±0.15	Low voltage : 0.1V or less High voltage : 4.9V or less
Recirculated air	4.5±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), loosen the mounting screws and remove the intake actuator (B).

4.	Install in the reverse order of removal.

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