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: Engine Coolant Temperature Sensor (ECTS) Repair procedures

Inspection 1. Turn the ignition switch OFF. 2. Remove the ECTS (Refer to "Removal"). 3. After immersing the thermistor of the sensor into engine coolant, measure resistance between the ECTS terminals 3 and 4. 4. Check that the resistance is within the specification...

Hyundai Sonata LF 2014-2019 Service Manual: Components and Components Location