Hyundai Santa Fe: Seat Electrical / Seat Heater (Air Ventilation). Components and components location

Components

1. Seat cushion heater
2. Seat heater unit (Passenger only)

3. Seat back heater

No.	Connector A	Connector B	Connector C
1	Vent heater ECU _ IGN1	Driver vent switch LED (Low)	Vent / heater power
2	Driver blower power	Driver vent switch LED (Mid)	Driver heater power
3	Driver blower speed	Driver vent switch LED (High)	Driver heater ground
4	Driver RPM input	Driver NTC (+)	Driver / Assist, Vent / Heater ground
5	Driver heater switch	-	vent / heater power
6	Driver vent switch	Illumination (-)	-
7	Illumination (+)	Driver NTC (-)	Assist heater power
8	Driver heater LED (Low)	Driver blower ground	-
9	Driver heater LED (Mid)	Driver vent led (Low)	Assist heater ground
10	Driver heater LED (High)	Driver vent led (Mid)	Driver / Assist, Vent / Heater ground
11	Vent seat unit IGN 2	Driver vent led (High)
12	Assist blower power	Assist NTC (+)
13	Assist blower speed	FATC PWM
14	Assist blower RPM input	-
15	Assist heater switch	Assist NTC (-)
16	Assist vent switch	Assist blower ground
17	Detent
18	Assist heater LED (Low)
19	Assist heater LED (Mid)
20	Assist heater LED (High)

Inspection Driver/Passenger 1. Check for continuity and measure the resistance between terminals. No...

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