Kia Sorento: Heater & A/C Control Unit (DATC) Component

Connector Pin Function

Connector	Pin No	Function	Connector	Pin No	Function
A	1	Battery (+)	A	29	Ambient Temperature Sensor (+)
	2	Tail Lamp (ILL+)		30	Diagnosis (Cluster Ionizer)
	3	IGN2		31	CLEAN Signal
	4	Mode Control Actuator (Vent)		32	ION Signal
	5	Mode Control Actuator (Defog)		33	PTC ON Signal (Low)
	6	Driver's Side Temperature Control Actuator (Cool)		34	PTC Relay 2
	7	Driver's Side Control Actuator (Warm)		35	PTC Relay 3
	8	Intake Actuator (Fresh Air)		36	Rear Blower Relay ON
	9	Intake Actuator (Recirculated Air)		37	ECV IN
	10	Mode Control Actuator Feedback		38	ECV OUT
	11	Driver's Side Temperature Control Actuator Feedback		39	Rear Blower Common Signal (-)
	12	Intake Actuator Feedback		40	Ground
	13	Rheo Detent	B	1	Sensor REF (+5V)
	14	Hazard Signal		2	-
	15	Ambient Temperature Sensor (+)		3	Passenger's Side Temperature Control Actuator (Cool)
	16	Incar Motor (-)		4	Passenger's Side Control Actuator (Warm)
	17	Blower Motor (+)		5	Passenger's Side Temperature Control Actuator Feedback
	18	Mosfet (DRAIN Feedback)		6	Hi-Scan
	19	Mosfet (GATE)		7	Multi-Media CAN (Low)
	20	Rheostat (ILL-)		8	Multi-Media CAN (High)
	21	IGN1		9	Defog Temperature
	22	C_CAN (High)		10	Defog SCK
	23	C_CAN (Low)		11	Defog Data
	24	Rear Defog Switch (Low)		12	Auto Defogging Actuator Feedback
	25	HTD (Rear Defog Indicator)		13	Auto Defogging Actuator (OPEN)
	26	Passenger's Side Photo Sensor (-)		14	Auto Defogging Actuator (CLOSE)
	27	Driver's Side Photo Sensor (-)		15	Sensor Ground
	28	Evaporator Temperature Sensor (+)		16	Ground

1. Disconnect the negative (-) battery terminal. 2. Using a screwdriver or remover, remove the center fascia panel (A). 3...

1. Self-diagnosis process 2. How to read self-diagnostic code After the display panel blinks three times every 0.5 second, the corresp...

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