Hyundai Sonata: Seat Electrical / Seat Heater Repair procedures

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

Inspection

Front Seat Heater

Check for continuity and measure the resistance between terminals No 3 and No 6.

Standard value

Driver / Assists (cushion + back) : 1.58±10%

Operate the seat heater after connecting the connector, and then check the thermostat by measuring the temperature of seat surface.

Standard value

1st : cushion : 36±2°C, back : 40±2°C

2st : cushion : 39±2°C, back : 45±2°C

3st : cushion : 42±2°C, back : 50±2°C

Front Seat Heater (Air Ventilation)

Check for continuity and measure the resistance between terminals.

Standard value

Cushion (Teminal : 4-6) : 2.94?±10%

Back (Teminal : 5-6) : 2.71?±10%

Operate the seat heater after connecting the connector, and then check the thermostat by measuring the temperature of seat surface.

Standard value

1st : cushion : 36±2°C, back : 40±2°C

2st : cushion : 39±2°C, back : 45±2°C

3st : cushion : 42±2°C, back : 50±2°C

Rear Seat Heater

Check for continuity and measure the resistance between terminals No 1 and No 4.

Standard value

Rear seat : 2.82?±10%

Operate the seat heater after connecting the connector, and then check the thermostat by measuring the temperature of seat surface.

Standard value

High (Cushion) : 38±2°C

Low (Cushion) : 42±2°C

Seat Heater Schematic Diagrams

Circuit Diagram ...

Seat Heater Switch Components and Components Location

Components ...

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