Hyundai Sonata LF: Blower / Power Mosfet Description and Operation

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...

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 speed...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Knock Sensor (KS) Repair procedures

Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Remove the intake manifold (Refer to “Intake And Exhaust System” in EM group). 3. Disconnect the injector connector (A). 4. Remove the installation bolt (B), and then remove the sensor from the cylinder block...

Hyundai Sonata LF 2014-2019 Service Manual: In-car Sensor Repair procedures

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...