Kia Cadenza YG: 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

    Other information:

    Kia Cadenza YG 2016-2021 Service Manual: Mode Control Actuator Repair procedures

    Inspection 1. Ignition "OFF” 2. Disconnect the connector of mode control actuator. 3. Verify that the mode control actuator operates to the defrost mode when connecting 12V to the terminal 3and grounding terminal 7. 4. Verify that the mode control actuator operates to the vent mode when connecting in the reverse.

    Kia Cadenza YG 2016-2021 Service Manual: Auto defoging actuator Repair procedures

    Inspection 1. Ignition "OFF”. 2. Disconnect the connector of auto defog control actuator. 3. Verify that the auto defog control actuator operates to the defrost ON mode when connecting 12V to the terminal 3 and grounding terminal 7. 4.

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