Kia Cadenza: Seat Electrical / Seat Heater Repair procedures

Kia Cadenza YG 2016-2025 Service Manual / Body Electrical System / Seat Electrical / Seat Heater Repair procedures

Inspection

First Seat Heater

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%

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

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%

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)

Seat Heater Schematic Diagrams

Circuit Diagram ...

Seat Heater Switch Schematic Diagrams

Circuit Diagram ...

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