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Hyundai Equus: Intake Actuator Repair procedures - Blower - Heating, Ventilation and Air Conditioning - Hyundai Equus VI 2009-2022 Service ManualHyundai Equus: Intake Actuator Repair procedures

Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the intake actuator connector.
3.
Verify that the intake actuator operates to the fresh position when connecting 12V to terminal 3 and grounding terminal 4.
Verify that the intake actuator operates to the recirculation position when connected in reverse.

1. -
2. -
3. Recirculated air
4. Fresh air
5. Sensor ground
6. Feedback signal
7. Sensor (+ 5V)

4.
Connect the intake actuator connector.
5.
Turn the ignition switch ON.
6.
Check the voltage between terminal 6 and 5.
Specification
Door position
Voltage (V)
Error detecting
Fresh air
0.3±0.15
Low voltage : 0.1V or less
Recirculated air
4.7±0.15
High voltage : 4.9V or more

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 cowl side trim.
(Refer to Body - "Cowl Side Trim")
3.
To remove the crash pad under cover [RH] (A), press both sides of the locking pin and then pull it down.

4.
Disconnect the under lamp connector (A).

5.
Remove the stopper (B) from the glove box (A).

6.
Disconnect the air damper (A) from the glove box (B).

7.
Remove the glove box housing (A) after loosening the mounting screws and nuts.

8.
Disconnect the glove box lamp connector (A).

9.
Remove the passenger's side shower duct (A).

10.
Disconnect the connector (A), and then remove the intake actuator (B) after loosening the mounting screws.

11.
Install in the reverse order of removal.
    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 recirculat ...

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