Hyundai Sonata: Blower / Power Mosfet Description and Operation

Hyundai Sonata LF 2014-2019 Service Manual / Heating, Ventilation and Air Conditioning / Blower / Power Mosfet Description and Operation

Description

It is installed to the DATC and adjusts the fan rpm by precisely controlling the voltage applied to the blower motor.

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 oper ...

Power Mosfet Repair procedures

Inspection 1. Turn the ignition switch ON. 2. Manually operate the control switch and measure the voltage of the blower motor. 3. Select the control switch to raise the voltage until high ...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: Detecting area
The Smart Trunk operates with a welcome alert if the smart key is detected within 20~40 inches (50~100 cm) from the trunk. The alert stops at once if the smart key is positioned outside the detecting area during the Detect and Alert stage. Information • The Smart Trunk function will not w ...

Hyundai Sonata LF 2014-2019 Service Manual: Audio Unit Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the cluster fascia upper panal. (Refer to Body - "Cluster Fascia Upper Panel") 3. Remove the audio head unit (A) after loosening the screws. 4. Remove the audio head unit after disconnecting the connectors and cable ...