Kia Rio: Seat Electrical / Seat Heater

Kia Rio 2017-2023 YB Service Manual / Body Electrical System / Seat Electrical / Seat Heater

Components and components location

Component Location

1. Seat heater unit (Passenger seat only)
2. Front seat back heater

3. Front seat cushion heater

Schematic diagrams

Circuit Diagram

Repair procedures

Inspection

Check for continuity and measure the resistance between terminals No 3 and No 6.

Standard value

Driver / Assists (cushion + back)

Heater seat : 1.54Ω±10%/23°C

Ventilated seat : 1.93Ω±10%/23°C

Operate the seat heater after connecting the connector, and then check the thermostat by measuring the temperature of seat surface.

Standard value

1st : cushion : 36±2°C, back : 40±2°C

2st : cushion : 39±2°C, back : 45±2°C

3st : cushion : 42±2°C, back : 50±2°C

Removal

1.	Disconnect the negative (-) battery terminal.

2.	Remove the front seat assembly. (Refer to Body - "Front Seat Assembly")

3.	Disconnect the seat heater unit connector (A).

4.	Remove the seat heater unit (A) after loosening the mounting screws.

Installation

1.	Install the seat heater unit and connecting the connector.

2.	Install the front seat assembly.

3.	Connect the negative (-) battery terminal.

❮Seat Electrical

Seat Heater Switch❯

Components and components location Components 1. Driver side seat heater switch 2. Passenger side seat heater switch Description and operation Description Seat Heater Smart Control Technology • To prevent low temperature burn, seat heater temperature will automatically be lowered after a certain period of time.

Other information:

Kia Rio 2017-2023 YB Service Manual: Ambient Temperature Sensor

Description and operation Description 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 temperature.

Kia Rio 2017-2023 YB Service Manual: Intake Actuator

Description and operation Description The intake actuator is located at the blower unit. It regulates the intake door by signal from control unit. Pressing the intake selection switch will shift between recirculation and fresh air modes.