Hyundai Kona: Controller / Heater & A/C Control Unit (DATC) Components and components location

Hyundai Kona (OS) 2018-2025 Service Manual / Heating, Ventilation and Air Conditioning / Controller / Heater & A/C Control Unit (DATC) Components and components location

Components

Connector [A]

Pin NO	Function	Pin NO	Function
1	Battery (+)	21	IGN2
2	ISG B+	22	IGN1
3	ILL+ (TAIL)	23	Blower motor (+)
4	Sensor REF (+5V)	24	Photo sensor_LH
5	Mode actuator feedback	25	-
6	Temperature actuator feedback	26	-
7	Intake actuator feedback	27	-
8	EVAP Sensor (+)	28	PTC Relay 3
9	AMB Sensor (+)	29	PTC Relay 2
10	Mode actuator (Vent)	30	PTC on signal
11	Mode actuator (Defrost)	31	Detent OUT (-)
12	Temperature actuator (Cool)	32	-
13	Temperature actuator (Warm)	33	C_CAN High
14	Intake actuator (Fresh Air)	34	C_CAN Low
15	Intake actuator (Recirculated Air)	35	Power mosfet (Drain feed back)
16	HTD (Rear defog indicator)	36	Power mosfet (Gate)
17	Rear defog switch	37	ECV +
18	Clean signal	38	ECV- (Ground)
19	Ionizer diagnosis	39	Sensor ground
20	ILL- (RHEO)	40	Ground

Connector [B]

Pin NO	Function	Pin NO	Function
1	PAB IGN1	9	SBR 2 Row Middle
2	PAB Cut Off signal	10	SBR 2 Row Right
3	PAB On signal	11	-
4	Auto defogging (Feedback)	12	Auto defogging (TEMP)
5	Auto defogging (Open)	13	Auto defogging (SCK)
6	Auto defogging (Off)	14	Auto defogging (Data)
7	SBR Passenser	15	-
8	SBR 2 Row Left	16	Ground

Heater & A/C Control Unit (Manual) Repair procedures

Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel. (Refer to Cr ...

Heater & A/C Control Unit (DATC) Repair procedures

Self Diagnosis 1. Self-diagnosis process. ...

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