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Kia Forte: Auto Defogging Actuator Inspection - Heater - Heating,Ventilation, Air Conditioning - Kia Forte TD 2014-2018 Service ManualKia Forte: Auto Defogging Actuator Inspection

Second generation YD (2014-2018) / Kia Forte TD 2014-2018 Service Manual / Heating,Ventilation, Air Conditioning / Heater / Auto Defogging Actuator Inspection

1.
Turn the ignition switch OFF.
2.
Disconnect the auto defogging connector.
3.
Verify that the auto defogging actuator operates to the open position when connecting 12V to the terminal 3 and grounding terminal 7.
Verify that the auto defogging actuator operates to the close position when connecting in the reverse.

1. -
2. -
3. Open
4. Sensor (+ 5V)
 5. Feedback signal
6. Sensor ground
7. Close

4.
Connect the auto defogging actuator connector.
5.
Turn the ignition switch ON.
6.
Check the voltage between terminals 6 and 5.
Specification
Door position
 Voltage (V)
 Error detecting
Defog OFF (Close)
 4.7 ± 0.15
 High voltage :
4.9V or more
Defog ON (Open)
 1.7 ± 0.15
 Low voltage :
0.1V or less

It will feedback the current position of the actuator to the controls.
7.
If the measured voltage is not within specification, substitute with a known-good auto defogging actuator and check for proper operation.
8.
Replace the auto defogging actuator if it is proved that there is a problem with it.
Mode Control Actuator Replacement
1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel. (Refer to Body -"Crash Pad Lower Panel") ...

Auto Defogging Actuator Replacement
1. Disconnect the negative (-) battery terminal. 2. Remove the glove box housing. (Refer to Body -"Glove Box Housing") ...

See also:

DC/DC Converter Removal
1. Disconnect the battery negative (-) cable. 2. Remove the crash pad lower panel. (Refer to Body - Crash pad lower panel.) ...

Removal
1. Disconnect the negative (-) battery terminal. 2. Remove the heater & A/C control unit. (Refer to Heating,Ventilation, Air Conditi ...

Important Safety Notice
Proper service methods and repair procedures are essential for safe, reliable operation of all motor vehicles as well as personal safety of the operator. The service procedures and descriptio ...

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