Components and Components Location: Components

Fig 1: Identifying Heater & A/C Control Unit (Manual) Components

Courtesy of HYUNDAI MOTOR CO.

CONNECTOR PIN FUNCTION

Connector	Pin No	Function	Connector	Pin No	Function
Connector (A)	1	High	Connector (B)	1	IG2
	2	Middle High		2	HTD
	3	Middle Low		3	RR Defog S/W
	4	GND		4	LH Seat Heat S/W
	5	-		5	LH Lower Indicator
	6	Low		6	RH Seat Heat S/W
				7	RH Lower Indicator
				8	Detent Out (+)
				9	Speed Signal
				10	A/C Output
				11	A/C Select signal
				12	Blower MAX Signal
				13	RH Seat Heat Indicator - HIGH
				14	Hazard Signal
				15	Sensor GND
				16	GND
				17	Tail Lamp (ILL+)
				18	Battery
				19	Sensor REF (+5V)
				20	Eva Sensor (+)
				21	Temp Actuator F/B
				22	Mode Actuator F/B
				23	Intake Actuator F/B
				24	Mode Actuator (VENT)
				25	Mode Actuator (DEF)
				26	Intake Actuator (REC)
				27	Intake Actuator (FRE)
				28	Temp Actuator (WARM)
				29	Temp Actuator (COOL)
				30	Blower ON Signal
				31	LH Seat Heat Indicator - HIGH
				32	Rheostat (ILL-)