Hyundai Sonata LF: 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
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.
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)
1.
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%
2.
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
1.
Check for continuity and measure the resistance between terminals No 1 and No 4.

Standard value
Rear seat : 2.82?±10%
2.
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

    C..

    Seat Heater Switch Components and Components Location

    C..

    Other information:

    Hyundai Sonata LF 2014-2019 Service Manual: Condenser Repair procedures


    Inspection 1. Check the condenser fins for clogging and damage. If clogged, clean them with water, and blow them with compressed air. If bent, gently bend them using a screwdriver or pliers. 2. Check the condenser connections for leakage, and repair or replace it, if required...

    Hyundai Sonata LF 2014-2019 Service Manual: CVVT Oil Control Valve (OCV) Specifications


    S..

    Categories

    read more

     
    Copyright © 2026 www.hsonatalf.org