Kia Rio: Foot Actuator (With Auto Defogging System) Inspection

1.	Turn the ignition switch OFF.

2.	Disconnect the foot connector.

Verify that the foot actuator operates to the open position when connecting 12V to the terminal 3 and grounding terminal 4.

Verify that the foot actuator operates to the close position when connecting in the reverse.

1. -
2. -
3. Open
4. Close

5. Sensor ground
6. Feedback signal
7. Sensor (+ 5V)

4.	Connect the foot actuator connector.

5.	Turn the ignition switch ON.

Check the voltage between terminals 6 and 5.

Specification

With auto defogging activated

Door position	Voltage (V)	Error detecting
Vent	0.9 ± 0.3	Low voltage: 0.1V or less
Bi-Level	3.0 ± 0.3
Floor	3.9 ± 0.3
Mix	3.25 ± 0.3
Defog	0.9 ± 0.3	High voltage: 4.9V or more

With auto defogging deactivated

Door position	Voltage (V)	Error detecting
Vent	0.9 ± 0.3	Low voltage: 0.1V or less
Bi-Level	3.0 ± 0.3
Floor	2.5 ± 0.3
Mix	2.5 ± 0.3
Defog	0.9 ± 0.3	High voltage: 4.9V or more

It will feedback current position of actuator to controls.

7.	If the measured voltage is not within specification, substitute with a known-good foot actuator and check for proper operation.

8.	Replace the foot actuator if it is proved that there is a problem with it.

Foot Actuator (With Auto Defogging System) Description

The foot actuator is located at the heater unit. It adjusts position of the foot door in heater unit of the vehicle equipped with the auto defogging system. ...

Foot Actuator (With Auto Defogging System) Replacement

1. Disconnect the negative (-) battery terminal. 2. Remove the glove box housing. (Refer to BD group - “Crash pad”) ...

Kia Rio: Foot Actuator (With Auto Defogging System) Inspection

Foot Actuator (With Auto Defogging System) Description

Foot Actuator (With Auto Defogging System) Replacement

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