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: Seat Heater Repair procedures


    Inspection Front Seat Heater 1. Check for continuity and measure the resistance between terminals No 3 and No 6. Standard value Driver / Assists (cushion + back) : 1.58±10% 2. Operate the seat heater after connecting the connector, and then check the thermostat by measuring the temperature of seat surface...

    Hyundai Sonata LF 2014-2019 Service Manual: Repair procedures


    Fuel Pressure Test (Low pressure system) 1. Release the residual pressure in fuel line. (Refer to the Fuel Delivery System - Repair Procedures - "Release Residual Pressure in Fuel Line").     When removing the fuel pump fuse, a Diagnostic Trouble Code (DTC) may occur...

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