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

C..

Air Ventilation Seat Components and Components Location

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Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Fuel Pressure Sensor (FPS) Schematic Diagrams

Circuit Diagram Fail-Safe Mode Item Fail-Safe Output Voltage (V) 12 If the fuel pressure sensor malfunctions, it enters fail safe mode. This means that the fuel pressure rises to match the increasing value of the current level and the pressure in the low pressure fuel line remains static despite the rising fuel pressure...

Hyundai Sonata LF 2014-2019 Service Manual: Rear Assist Arm Repair procedures