Kia Rio: Blower / Intake Actuator

Kia Rio 2017-2023 YB Service Manual / Heating,Ventilation, Air Conditioning / Blower / Intake Actuator

Description and operation

Description

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

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 (LHD) or recirculation (RHD) position when connecting 12V to the terminal 4 and grounding terminal 3.

Verify that the intake actuator operates to the recirculation (LHD) or fresh (RHD) position when connecting in the reverse.

[LHD]

1. -                 
2. -                  
3. Fresh 
4. Recirculation            
5. Sensor (+ 5V)
6. Feedback Signal
7. Sensor Ground

[RHD]

1. -                 
2. -                  
3. Fresh
4. Recirculation
 5. Sensor (+ 5V)
6. Feedback
7. Sensor Ground

4.

Connect the intake actuator connector.
5.

Turn the ignition switch ON.
6.

Check the voltage between terminal 6 and 5 (LHD) or 7 (RHD).

Specification

Door position
Voltage (V)
Error detecting
Fresh
 0.5
 Low voltage : 0.1V or less
Recirculation
 4.5
 High voltage : 4.9V or more

7.

If the intake actuator is not operated well, substitute with a known-good intake actuator and check for proper operation.
8.

If the problem is corrected, replace the intake actuator.
Replacement
1.

Disconnect the negative (-) battery terminal.
2.

Remove the crash pad.

(Refer to Body - "Main Crash Pad Assembly")

3.

Disconnect the connector (A) and then remove the intake actuator (B) after loosening the mounting screws.
4.

Installation is the reverse order of removal.

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