Hyundai Sonata: Seat Heater. Repair procedures - Seat Electrical - Body Electrical SystemHyundai Sonata: Seat Heater. Repair procedures

Inspection

First Seat Heater
1.
Check for continuity and measure the resistance between terminals.
[Cushion]

[Back]

Standard value (Fabric / Leather)
Cushion : 4.77 Ω ± 10%
Back 4.30 Ω ± 10% / 4.13 Ω ± 10%
Set : 9.07 Ω ± 10% / 8.9 Ω ± 10%
2.
Operate the seat heater after connecting the connector, and then check the thermostat by measuring the temperature of seat surface.
Standard value (Fabric / Leather)
Cushion : 40 ± 2°C (104 ± 35.6°F)
Back : 46 ± 2°C (114.8 ± 35.6°F)
3.
Check for continuity between the terminals after disconnecting the connector.
2nd Seat Heater
1.
Check for continuity and measure the resistance between No.1 and NO.3 terminals.

Standard value (Bench / Split)
Cushion : 1.53 Ω ± 10% / 4.05 Ω ± 10%
Back : 1.35 Ω ± 10%
Set : 2.88 Ω ± 10%
2.
Operate the seat warmer after connecting the 3P connector, and then check the thermostat by measuring the temperature of seat surface.
Standard value (Bench / Split)
Cushion : 40º ± 2°C / 40º ± 2°C (104 ± 35.6°F)
Back : 46º ± 2°C (114.8 ± 35.6°F)

    Seat Heater. Schematic Diagrams
    Circuit Diagram ...

    See also:

    Relay Box (Engine Compartment). Components and Components Location
    Components ...

    Repair procedures
    Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the driver crash pad lower panel. (Refer to the BD group - "Cra ...

    Before entering vehicle
    Be sure that all windows, outside mirror( s), and outside lights are clean. Check the condition of the tires. Check under the vehicle for any sign of leaks. Be sure there are no obstacles beh ...