Other information:
Hyundai Sonata LF 2014-2019 Service Manual: Electric WGT Control Actuator Repair procedures
Inspection
[Motor]
1.
Turn ignition switch OFF.
2.
Disconnect the EWGA connector.
3.
Check that the EWGA is stuck by foreign material.
4.
Measure resistance between motor (+) and (-) control terminals of the motor.
5.
Check that the resistance is within the specification.
...
Hyundai Sonata LF 2014-2019 Owners Manual: Mode selection
The mode selection button controls the direction of the air flow through the
ventilation system.
The air flow outlet direction is cycled as follows:
Face-Level (B, D, F)
Air flow is directed toward the upper body and face. Additionally, each outlet
can be controlled to direct the air discharged ...