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:

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    Warnings and indicators
    All warning lights are checked by turning the ignition switch ON (do not start the engine). Any light that does not illuminate should be checked by an authorized HYUNDAI dealer. After starting th ...

    Schematic Diagrams
    System Block Diagram ...