Hyundai Tucson (NX4) 2022-2026 Service Manual / Body Electrical System / Seat Electrical / Seat Heater Switch

Hyundai Tucson: Seat Electrical / Seat Heater Switch

- Components

1. Front seat heater switch
2. Rear seat heater switch

- Circuit Diagram

Connector Pin Information

Pin	Description	Pin	Description
1	IGN 1	17	PDW switch
2	ILL (+)	18	PDW IND
3	4WD lock swtich	19	-
4	Grip control swtich (+)	20	Heater LH
5	Grip control swtich (-)	21	Heater IND High_LH
6	Driver/Terrain mode symbol	22	Heater IND Mid_LH
7	ISG OFF IND	23	Heater IND Low_LH
8	ISG OFF switch	24	Heater RH
9	-	25	Heater IND High_RH
10	Steering wheel heater switch	26	Heater IND Mid_RH
11	Steering wheel heater IND	27	Heater IND Low_RH
12	SVM switch	28	-
13	-	29	DETENT
14	DBC switch	30	-
15	-	31	ILL (-)
16	LIN	32	Ground

- Removal

• When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components.

• Put on gloves to prevent hand injuries.

• Take care not to bend or scratch the trim and panels.

1.Remove the console upper cover (A).

2.Press the lock pin, separate the connectors (A).

3.Remove the seat heater switch (A) after loosening mounting screws.

- Installation

1.Install the front seat heater switch.

2.Install the console upper cover.

3.Connect the negative (-) battery terminal.

Seat Heater (Air Ventilation)

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