Kia Cadenza YG: Seat Electrical / Seat Heater Repair procedures

Kia Cadenza YG 2016-2021 Service Manual / Body Electrical System / Seat Electrical / Seat Heater Repair procedures

Inspection
First Seat Heater
1.
Check for continuity and measure the resistance between No.1 and NO.4 terminals.

No.
Description
No.
Description
1
Heater (-)
3
NTC (+)
2
NTC (-)
4
Heater (+)

Standard value (Fabric / Leather)
Cushion : 1.04 Ω ± 10%
Back : 1.1 Ω ± 10%
Set : 2.14 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 :
1 Step : 40 ± 2°C(104 ± 3.6°F)
2 Step : 42 ± 2°C(107.6 ± 3.6°F)
Back :
1 Step : 46 ± 2°C(114.8 ± 3.6°F)
2 Step : 52 ± 2°C(125.6 ± 3.6°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.4 terminals.

No.
Description
No.
Description
1
Heater (-)
3
NTC (+)
2
NTC (-)
4
Heater (+)

Standard value (Fabric / Leather)
Cushion : 1.16 Ω ± 10%
Back : 1.16 Ω ± 10%
Set : 2.32 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 (Fabric / Leather)
Cushion :
1 Step : 40 ± 2°C(104 ± 3.6°F)
2 Step : 42 ± 2°C(107.6 ± 3.6°F)
Back :
1 Step : 46 ± 2°C(114.8 ± 3.6°F)
2 Step : 52 ± 2°C(125.6 ± 3.6°F)

    Circuit Diagram

    Circuit Diagram

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