Hyundai Elantra: Heater / Auto Defoging Actuator Repair procedures
Hyundai Elantra AD (2016-2020) Service Manual / Heating, Ventilation and Air Conditioning / Heater / Auto Defoging Actuator Repair procedures
| 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.
|
| 4. |
Connect the auto defogging actuator connector. |
| 5. |
Turn the ignition switch ON. |
| 6. |
Check the voltage between terminals 6 and 5. |
| 7. |
If the measured voltage is not within specification, check
the operation by replacing the existing auto defogging actuator with a
new genuine part. After that, determine whether replacement of the auto
defogging actuator is required or not. |
| Diagnosis With GDS |
| 1. |
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. |
To install, reverse the removal procedure. |
Auto Defoging Actuator Specifications
Specifications
Door positionVoltage (V)Error detectingMax. cooling0.3 ± 0.15Low voltage : 0.1V or lessMax. heating4.7 ± 0.15High voltage : 4.9V or more
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Blower
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Description
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The ATF warmer is mounted on the valve body cover.
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Hyundai Elantra AD (2016-2020) Service Manual: Accelerator Position Sensor (APS) Specifications
Specification
AcceleratorPositionOutput Voltage (V)APS1APS2C.T0.7 ~ 0.80.325 ~ 0.425W.O.T3.98 ~ 4.221.93 ~ 2.17
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