Kia Cadenza YG: Blower / Intake Actuator Repair procedures

Kia Cadenza YG 2016-2021 Service Manual / Heating,Ventilation, Air Conditioning / Blower / Intake Actuator Repair procedures

Inspection
1.
Ignition "OFF".
2.
Disconnect the intake actuator connector.
3.
Verify that the actuator operates to the recirculation position when connecting 12V to the terminal 3 and grounding terminal 7.
4.
Verify that the intake actuator operates to the fresh position when connecting in the reverse.

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

5.
Check the voltage between terminals 5 and 6.
Specification
Door position
Voltage(5-6)
Error detecting
Recirculation
0.3 ± 0.15V
Low voltage :0.1V or less
Fresh
4.7 ± 0.15V
High voltage :4.9V or more

6.
If the intake actuator is not operated well, substitute with a known-good intake actuator and check for proper operation.
7.
If the problem is corrected, replace the intake actuator.
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad.
(Refer to BD group – "Crash pad")
3.
Disconnect the Intake actuator connector (A).
4.
Loosen the mounting screw and then remove the intake actuator (B).
5.
Installation is the reverse order of removal.

    Description 1. The intake actuator is located at the blower unit. 2. It regulates the intake door by signal from control unit. 3. Pressing the intake selection switch will shift between recirculation and fresh air modes.

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