Hyundai Genesis: Heater / Auto Defogging 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.

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

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)
1.0 ± 0.15
Low voltage : 0.1V or less
Defog ON (Open)
4.7 ± 0.15
High voltage : 4.9V or more

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.
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad main lower assembly.
(Refer to Body - "Crash Pad Main Lower Assembly")
3.
Disconnect the connector and then remove the auto defogging actuator (A) after loosening the mounting screws.

4.
Install in the reverse order of removal.
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 modul ...

Blower
...

Other information:

Hyundai Genesis (DH) 2013-2016 Owners Manual: Air cleaner


Filter replacement The air cleaner filter can be cleaned for inspection using compressed air. Do not attempt to wash or to rinse it, as water will damage the filter. If soiled, the air cleaner filter must be replaced. We recommend that you visit an authorized HYUNDAI dealer to repl ...

Hyundai Genesis (DH) 2013-2016 Owners Manual: Normal maintenance schedule


The following maintenance services must be performed to ensure good emission control and performance. Keep receipts for all vehicle emission services to protect your warranty. Where both mileage and time are shown, the frequency of service is determined by whichever occurs first. ❈ Inspec ...

© 2013-2024 www.hgenesisdh.com