Kia Sorento: Auto Defogging Actuator Inspection - Heater - Heating,Ventilation And Air Conditioning - Kia Sorento XM 2011-2023 Service ManualKia Sorento: Auto Defogging Actuator Inspection

Second Generation XM (2011-2023) / Kia Sorento XM 2011-2023 Service Manual / Heating,Ventilation And 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 terminal 3 and grounding terminal 4.
Verify that the auto defogging actuator operates to the close position when connected in reverse.

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


4.
Connect the auto defogging actuator connector.
5.
Turn the ignition switch ON.
6.
Check the voltage between terminals 6 and 7.
Specification
Door position
Voltage (V)
Error detecting
Defog OFF (CLOSE)
0.45±0.15
Low voltage : 0.1V or less
High voltage : 4.9V or less
Defog ON (OPEN)
4.55±0.15

It will feedback the current position of the actuator to 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.
Auto Defogging Actuator Description
The auto defogging sensor is installed on front window glass. The sensor judges and sends signal if moisture occurs to blow out wind for defogging. The air conditioner control module receives ...

Auto Defogging Actuator Replacement
1. Disconnect the negative (-) battery terminal. 2. Remove the cowl side trim. (Refer to Body - "Crash Pad") ...

See also:

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Ignition Coil Description
An ignition coil is an induction coil in an engine's ignition system which transforms the battery's low voltage to the high voltage needed to create an electric spark in the spark plu ...

Roof Antenna Installation
1. Connect the roof antenna connectors. 2. Install the rear roof trim.    ...

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