Kia Optima DL3: Seat Electrical / Ventilated and Heated Seat Switch

Kia Optima DL3 2019-2026 Service and Repair Manual / Body Electrical System / Seat Electrical / Ventilated and Heated Seat Switch

Schematic diagrams

Connector and Terminal Function

[Front Seat]

[Ventilation+Heater Type / Non-Heater Type]

Pin	Function		Pin	Function
Pin	Ventilation+Heater Type	Non-Heater Type	Pin	Ventilation+Heater Type	Non-Heater Type
1	IGN1	-	9	Illumination (+)
2	-	-	10	-
3	-	-	11	Illumination (-)
4	Ground	-	12	-
5	-		13	Steering heater mode	-
6	-		14	Steering heater indicator	-
7	LIN	-	15	Driver mode switch (CW)
8	Ground		16	Driver mode switch (CCW)

[Heater Type]

Pin	Function	Pin	Function
1	Heater indicator (High)_RH	13	Heater mode_RH
2	Heater indicator (Mid)_RH	14	-
3	Heater indicator (Low)_RH	15	-
4	-	16	Ground
5	Driver mode switch (CW)	17	-
6	Driver mode switch (CCW)	18	Illumination (-)
7	Steering heater mode	19	-
8	Steering heater indicator	20	Illumination (+)
9	Heater mode_LH	21	-
10	Heater indicator (High)_LH	22	-
11	Heater indicator (Mid)_LH	23	-
12	Heater indicator (Low)_LH	24	-

[Rear Seat]

[Safety Type]

Pin	Function	Pin	Function
1	Ground (Illumination -)	5	Ground
2	Door lock switch	6	Door lock indicator
3	Door unlock switch	7	Safety power window
4	Battery + (Illumination +)	8	-

[Manual Type]

Pin	Function	Pin	Function
1	Ground	7	Driver window down
2	Seat warmer (High)	8	Window enble
3	Window down motor	9	Ground (Illumination -)
4	Seat warmer (Low)	10	Driver window up
5	Window up motor	11	Battery + (Illumination +)
6	Seat warmer switch	12	Battery (+)

Repair procedures

Inspection

[Front Seat]

1.	Disconnect the negative battery terminal.

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

3.	Push and hold the switch, check for continuity between signal terminal and ground terminal. [Heater Switch]

[Rear Seat]

1.	Disconnect the negative battery terminal.

2.	Remove the rear door trim. (Refer to Body - "Rear Door Trim")

3.	Push and hold the switch, check for continuity between signal terminal and ground terminal. [Safety] [Manual]

Removal

[Front Seat]

1.	Disconnect the negative battery terminal.

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

3.	Remove the wireless power charger pad (A).

4.	Disconnect the all connectors from the console floor switch complete. (A) : Main connector fixing fastener (B) : Console floor switch complete connector (C) : Wireless charging indicator connector

5.	Remove the console cup holder assembly (A) by loosening the mounting screws.

6.	Remove the EPB switch assembly (A) by loosening the mounting screws.

7.	Remove the console floor switch complete (A).

[Rear Seat]

1.	Disconnect the negative battery terminal.

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

Installation

1.	Install in the reverse order of removal.

❮Heated Seats Only

Components and components location Components Front Seat Heater 1. Front seat back heater 2. Front seat cushion heater 3.

Ventilated and Heated Seat❯

Schematic diagrams Connector and Terminal Function Pin Function Connector A Connector B 1 Driver heater ground (-) Driver blower speed (+) 2 Passenger heater ground (-) - 3 Driver cushion heater power (+) CAN (Low) 4 Driver back heater power (+) CAN (High) 5 Passenger cushion heater power (+) - 6 Passenger back heater power (+) LIN 7 ECU (Ground) Detent 8 ECU (Ground) IGN1 9 Driver blower speed 10 Passenger blower speed 11 Illumination (-) 12 Driver NTC (-) 13 Passenger NTC (-) 14 - 15 - 16 - 17 - 18 - 19 - 20 IGN2 21 - 22 Driver NTC (+) 23 Passenger NTC (+) 24 - Repair procedures Removal Ventilation Seat Unit 1.

Other information:

Kia Optima DL3 2019-2026 Service and Repair Manual: High Mounted Stop Lamp

Repair procedures Removal 1. Disconnect the negative battery terminal. 2. Remove the roof trim assembly. (Refer to Body - "Roof Trim Assembly") 3. Disconnect the high mounted stop lamp connector (A).

Kia Optima DL3 2019-2026 Service and Repair Manual: Mode Control Actuator

Components and components location Components Location 1. Mode control actuator Description and operation Description The mode control actuator is located at the heater unit. It adjusts the position of the mode door by operating the mode control actuator based on the signal of the A/C co

Kia Optima DL3: Seat Electrical / Ventilated and Heated Seat Switch

Schematic diagrams

Repair procedures

Other information:

Kia Optima DL3 2019-2026 Service and Repair Manual: High Mounted Stop Lamp

Kia Optima DL3 2019-2026 Service and Repair Manual: Mode Control Actuator

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