Hyundai Elantra (CN7): Blower / Intake Actuator

Hyundai Elantra (CN7) 2021-2025 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 Location

1. Intake actuator

Specifications

Door position	Voltage (V)	Error detecting
Max. cooling	0.3 ± 0.15	Low voltage : 0.1V or less
Max. heating	4.7 ± 0.15	High voltage : 4.9V or more

Repair procedures

Inspection

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

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

Pin No	Function
1	-
2	-
3	Fresh air
4	Sensor REF (+5V)
5	Feedback signal
6	Sensor ground
7	Recirculated air

3.	Connect the intake actuator connector.

4.	Turn the ignition switch ON.

5.	Check the voltage between terminal 6 and 5.

6.	If the measured voltage is not within specification, check the operation by replacing the existing intake actuator with a new genuine part. After that, determine whether replacement of the temperature control actuator is required or not.

Replacement

1.	Disconnect the negative (-) battery terminal.

2.	Remove the Heater & Blower unit assebmly. (Refer to Heater - "Heater Unit")

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

4.	To install, reverse the removal procedure.

❮Climate Control Air Filter

Description and operation Description The climate control air filter is located in the blower unit. It eliminates foreign materials and odor. The particle filter performs a role as an odor filter as well as a conventional dust filter to ensure comfortable interior environment.

Controller❯

Other information:

Hyundai Elantra (CN7) 2021-2025 Service Manual: Description and operation

DescriptionSystem OverviewThe System offers the following features:– Human / machine interface through a 1-stage button, for terminal switching and engine start.– Control of external relays for ACC / IGN1 / IGN2 terminal switching and STARTER, without use of mechanical ignition switch.