Kia Forte: Body Electrical System / Seat Heater Switch

Kia Forte 2019-2023 (BD) Service Manual / Body Electrical System / Seat Heater Switch

Components and components location

Components Location

Driver / Passenger Seat

1. Driver seat heater switch

2. Passenger seat heater switch

Rear Seat

1. Rear seat heater switch

Description and operation

Description

Heater Seat Smart Control Technology

•	To prevent low temperature burn, seat heater temperature will automatically be lowered after a certain period of time. (Low temperature burn condition: Over 30 minutes at 50°C)

Heater Seat Smart Control Operation

[1st Row Seat]

•	Change to "MID" after 30 minutes in "HIGH", then "LOW" after 60 minutes in "MID"

•	Change to "LOW" after 60 minutes in "MID"

[2nd Row Seat]

•	Change to "MID" after 30 minutes in "HIGH", then "LOW" after 60 minutes in "MID"

•	Change to "LOW" after 60 minutes in "MID"

•	If temperature is raised manually within certain period of time after the temperature was lowered automatically, it will be lowered again soon to prevent overheating or low temperature burn.

•	This is normal operating condition as a safety device.

Schematic diagrams

Connector and Terminal Function

[Driver Side Heater Switch]

No.	Connector A
1	-
2	-
3	Ventilation switch signal
4	Ventilation indicator (High)
5	Ventilation indicator (Mid)
6	Ventilation indicator (Low)
7	Drive mode switch
8	-
9	-
10	-
11	-
12	Ground
13	Illumination (+)
14	-
15	Heater switch signal
16	Heater indicator (High)
17	Heater indicator (Mid)
18	Heater indicator (Low)
19	Steering wheel heater switch
20	Steering wheel heater indicator
21	-
22	-
23	-
24	Illumination (-)

[Passenger Side Heater Switch]

No.	Connector A
1	-
2	-
3	Ventilation switch signal
4	Ventilation indicator (High)
5	Ventilation indicator (Mid)
6	Ventilation indicator (Low)
7	PDW signal
8	PDW indicator
9	Instrument Cluster
10	-
11	-
12	Ground
13	Illumination (+)
14	-
15	Heater switch signal
16	Heater indicator (High)
17	Heater indicator (Mid)
18	Heater indicator (Low)
19	-
20	-
21	-
22	-
23	-
24	Illumination (-)

Circuit Diagram

[Driver Seat Heater Switch]

[Passenger Seat Heater Switch]

Repair procedures

Removal

Driver / Passenger Seat Heater Switch

1.	Disconnect the negative (-) battery terminal.

2.	Remove the front console upper cover. (Refer to Body - "Floor Console Assembly")

3.	Remove the console upper cover garnish (A) after loosening the screws.

4.	Disconnect the heater switch connector (A). [Driver side] [Passenger side]

5.	Remove the heater switch (A) after loosening the screws. [Driver side] [Passenger side]

Rear Seat Heater Switch

1.	Remove the rear power window switch. (Refer to Power Window - "Power Window Switch")

Installation

1.	Install in the reverse order of removal.

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