Hyundai Creta: Heater / Auto Defogging Actuator

Hyundai Creta GS 2014-2024 Service Manual / Heating, Ventilation and Air Conditioning / Heater / Auto Defogging Actuator

Components and components location

Components Location

1. Auto defogging actuator

Description and operation

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 a signal from the sensor and restrains moisture and eliminates defog by the intake actuator, A/C, auto defogging actuator, blower motor rpm and mode actuator.

Repair procedures

Inspection

1.	Turn the ignition switch OFF.

2.	Disconnect the auto defogging connector.

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. DEF (Open)
4. Sensor (+ 5V)

5. Feedback signal
6. Sensor ground
7. DEF (Close)

4.	Connect the auto defogging actuator connector.

5.	Turn the ignition switch ON.

Check the voltage between terminals 6 and 5.

Specification

Door position	Voltage (V)
Defog OFF (Close)	4.7 ± 0.15
Defog ON (Open)	1.71 ± 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.

Diagnosis With GDS

The heating, ventilation and air conditioning can be quickly diagnosed failed parts with vehicle diagnostic system (GDS).

※ The diagnostic system (GDS) provides the following information.

(1) Self diagnosis : Checking the failure code (DTC) and display.

(2) Current data : Checking the system input/output data state.

(3) Actuation test : Checking the system operation condition.

(4) Additional function : Other controlling such as he system option and zero point adjustment.

2.	Select the 'Car model' and the system to be checked in order to check the vehicle with the tester.

3.	Select the 'Current data' menu to search the current state of the input/output data. The input/output data for the sensors corresponding to the Auto Defogging Actuator can be checked.

4.	To perform compulsory operation on Auto Defogging Actuator input factors, select "ACTUATION TEST".

Replacement

1.	Disconnect the negative (-) battery terminal.

2.	Remove the main crash pad assembly. (Refer to Body - "Main Crash Pad Assembly")

3.	Disconnect the connector (A) and then remove the auto defogging actuator (B) after loosening the mounting screws.

4.	Install in the reverse order of removal.

Mode Control Actuator

Components and components location Components Location 1. Mode control actuator Description and operation Description The mode control a ...

Blower

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