Hyundai Elantra: Blower / Intake Actuator
Description and operation
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

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
1. | Verify that the intake actuator operates to the fresh position when connecting 12V to terminal 3 and grounding terminal 7. |
2. | 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. |
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. |
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...
Other information:
The SRS is virtually maintenance-free
and there are no parts you can safely
service by yourself. If the SRS air bag
warning light does not illuminate when
the ignition switch is in the ON position,
or continuously remains on, have your
vehicle immediately inspected by an
authorized HYUNDAI dealer.
Any work on the SRS system, such as
removing, installing, repairing, or any
work on the stee..
1. Instrument cluster
2. Driver’s front air bag
3. Engine start button
4. Key ignition switch
5. Infotainment system
6. Hazard warning flasher switch
7. Climate control system
8. Passenger’s front air bag
9. Glove box
10. Manual transmission/
Intelligent variable transmission
11. Drive mode button
12. Parking/View button
13. Electronic parking brake switch
14. AUTO HOLD button..