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Kia Sorento: Seat Heater Inspection - Seat Electrical - Body Electrical System - Kia Sorento XM 2011-2025 Service ManualKia Sorento: Seat Heater Inspection

Second Generation XM (2011-2025) / Kia Sorento XM 2011-2025 Service Manual / Body Electrical System / Seat Electrical / Seat Heater Inspection

Front seat
1.
Operate the seat warmer after connecting the connector, and then check the thermostat by measuring the temperature of seat surface.
Position
 Cushion
 Back
1 step
 36 ± 2°C
(97 ± 3.6°F)
 40 ± 2°C
(104 ± 3.6°F)
2 step
 39 ± 2°C
(102 ± 3.6°F)
 45 ± 2°C
(113 ± 3.6°F)
3 step
 42 ± 2°C
(108 ± 3.6°F)
 50 ± 2°C
(122 ± 3.6°F)

2.
Disconnect the connectors to check for continuity and measure the resistance between terminals.
3.
Measure the resistance between A1 and B1 terminals of seat cushion.

Standard value
Seat cushion resistance : 1.39Ω ± 10%
4.
Measure the resistance between C1 and C2 terminals of seat back.

Standard value
Seat back resistance : 0.89Ω ± 10%
5.
To measure the resistance of seat back and cushion, connect the B and C connectors.
Measure the resistance between A1 and C1 terminals of seat.
Standard value
Seat set resistance : 2.3Ω ± 10%
Rear seat
1.
Operate the seat warmer after connecting the connector, and then check the thermostat by measuring the temperature of seat surface.
Standard value
Seat cushion temperature : 40 ± 2°C (104 ± 3.6°F)
2.
Measure the resistance between 1 and 3 terminals of seat cushion.
[Rear RH seat]

[Rear LH seat]

Standard value
Seat cushion resistance : 4.5Ω ± 10%
Seat Heater Installation
1. Install the driver / assist seat heater. (Refer to Body - "Front seat") 2. Install the rear seat LH heater and RH heater. ...

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