Hyundai i-30: Controller / Heater & A/C Control Unit (Manual)

Hyundai i30 (PD) 2018-2024 Service Manual / Heating, Ventilation and Air Conditioning / Controller / Heater & A/C Control Unit (Manual)

Components and components location

Components

Connector [A]

Pin NO	Function	Pin NO	Function
1	Low	4	Middle Low
2	Common	5	Middle High
3	Ground	6	High

Connector [B]

Pin NO	Function	Pin NO	Function
1	Battery (+)	21	IGN2
2	ISG B+	22	IGN1
3	ILL+ (TAIL)	23	-
4	Sensor REF (+5V)	24	-
5	Mode actuator feedback	25	-
6	Temperature actuator feedback	26	-
7	Intake actuator feedback	27	MAX Blower ON Signal
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	-
16	HTD (Rear defog indicator)	36	ECV +
17	Rear defog switch	37	ECV- (Ground)
18	-	38	Sensor ground
19	Blower ON signal to common	39	Ground
20	ILL- (RHEO)	40	Ground

Repair procedures

Replacement

1.	Disconnect the negative (-) battery terminal.

2.	Remove the glove box upper cover assembly. (Refer to Crash Pad - "Glove Box Upper Cover Assembly")

3.	Remove the crash pad center lower cover (A) after loosening the mounting screws.

4.	After loosening the mounting screws, remove the A/C & heater controller unit (A).

5.	Disconnect the connector (A) and the air hose (B).

To install, reverse the removal procedure.

•	Make sure the connector are connected in properly.

•	Replace any damaged clips (or pin-type retainers).

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 Photo sensor_RH 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 Passenger's temperature control actuator (Feedback) 9 - 2 Passenger's temperature control actuator (Cool) 10 Duct sensor (+)_Vent 3 Passenger's temperature control actuator (Warm) 11 Duct sensor (-)_Floor 4 Auto defogging (Feedback) 12 Auto defogging sensor signal 5 Auto defogging (Open) 13 - 6 Auto defogging (Off) 14 - 7 - 15 - 8 - 16 Ground Repair procedures Self Diagnosis 1...

Other information:

Hyundai i30 (PD) 2018-2024 Service Manual: Head Lamp Washer Motor

Repair procedures Removal Head Lamp Washer Motor • When servicing the washer pump, be careful not to damage the washer pump seal...

Hyundai i30 (PD) 2018-2024 Owner's Manual: Barrier net (wagon)

Your vehicle is equipped with a barrier net. When you load some cargoes on the rear seat or rear cargo area, you must install the barrier net behind front or rear seatback. It is designed to help protect the heads of the occupants by obstructing objects flying forward in frontal collisions...