Hyundai Sonata LF: Seat Electrical / Seat Heater Switch Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Body Electrical System / Seat Electrical / Seat Heater Switch Repair procedures

Removal

[Front Seat]

1.	Disconnect the negative (-) battery terminal.

2.	Remove the heater and A/C control unit. (Refer to Heating, Ventilation and Air Conditioning - "Controller")

[Rear Seat]

1.	Disconnect the negative (-) battery terminal.

2.	Remove the rear door window switch. (Refer to Power Windows - "Power Window Switch")

Seat Heater Switch Schematic Diagrams

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Air Ventilation Seat Components and Components Location

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Other information:

Hyundai Sonata LF 2014-2019 Service Manual: In-car Sensor Description and Operation

Description The sensor contains a thermistor which measures the temperature of the inside. The signal decided by the resistance value which changes in accordance with perceived inside temperature, is delivered to heater control unit and according to this signal the control unit regulates incar temperature to intended value...

Hyundai Sonata LF 2014-2019 Service Manual: Repair procedures