Kia Cadenza YG: Seat Electrical / Seat Heater Switch Repair procedures

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

Inspection
Front Seat Heater Switch
1.
Disconnect the negative (-) battery terminal.
2.
Remove the floor console upper cover (A).
(Refer to Body - "Console")
3.
Remove the seat heater switch connector (A) from the floor console upper cover.

4.
Operate each seat heater switch and check that continuity exists between the terminals.
If there is no continuity, replace the seat heater switch
[Ventilation + Heater]

[Ventilation + Heater]

[Heater]

Rear Seat Heater Switch
1.
Disconnect the negative (-) battery terminal.
2.
Open the rear seat arm rest (A).

3.
Remove the rear seat arm rest upper cover (A).

4.
Disconnect the connector (A).

5.
Turn rear seat heater switch ON and check that continuity exists between the terminals.

6.
If there is no continuity, replace the seat heater switch (A).

    Circuit Diagram

    Components (1) 1. Ventilation blower2. Ventilation ECU3. Ventilation seat switch Components (2)

    Other information:

    Kia Cadenza YG 2016-2021 Service Manual: Ambient Sensor Description and Operation

    Description 1. The ambient temperature sensor is located at the front of the condenser and detects ambient air temperature. It is a negative type thermistor resistance will increase with lower temperature, and decrease with higher temperatures.

    Kia Cadenza YG 2016-2021 Service Manual: Heater Unit Repair procedures

    Replacement 1. Disconnect the negative (-) battery terminal. 2. Recover the refrigerant with a recovery/ recycling/ charging station. 3. When the engine is cool, drain the engine coolant from the radiator. 4. Remove the expansion valve cover (A).

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