Hyundai Sonata: Blower / Blower Motor Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Heating, Ventilation and Air Conditioning / Blower / Blower Motor Repair procedures

Inspection

1.	Connect the battery voltage and check the blower motor rotation.

2.	If the blower motor does not operate well, substitute with a known-good blower motor and check for proper operation.

3.	Replace the blower motor if it is proved that there is a problem with it.

Replacement

1.	Disconnect the negative (-) battery terminal.

2.	Remove the cowl side trim. (Refer to Body - "Cowl Side Trim")

3.	To remove the crash pad under cover [RH] (A), press both sides of the locking pin and then pull it down.

4.	Disconnect the under lamp connector (A).

5.	Disconnect the blower motor connector (A) and then remove the blower motor (B) after loosening the screws.

6.	Install in the reverse order of removal.

Blower Unit Repair procedures

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Power Mosfet Description and Operation

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