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 ...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: Child Restraint System (CRS)
Children Always in the Rear WARNING Always properly restrain children in the rear seats of the vehicle. Children of all ages are safer when restrained in the rear seat. A child riding in the front passenger seat can be forcefully struck by an inflating air bag resulting in SERIOUS INJURY or DEATH. ...

Hyundai Sonata LF 2014-2019 Service Manual: Height Adjust Components and Components Location
Component Location 1. Height adjust ...