Hyundai Palisade: Controller / Heater & A/C Control Unit (Rear)

Hyundai Palisade (LX2) 2020-2025 Service Manual / Heating,Ventilation And Air Conditioning / Controller / Heater & A/C Control Unit (Rear)

Components and components location

Component

Hyundai Palisade. Components and components location

Connector Pin Function

Connector	PIN No	Pin Function	Connector	PIN No	Pin Function
A	1	Battery	A	17	IGN2
	2	ISG B+		18	IGN1
	3	ILL+ (TAIL)		19	Blower Motor (+)
	4	Sensor Ground REF (+5V)		20	-
	5	Mode Control Actuator Feedback		21	Mosfet (DRAIN F/B)
	6	Temperature Actuator Feedback		22	Mosfet (GATE)
	7	Mode Control Actuator (Vent)		23	Heater Switch _ LH
	8	Mode Control Actuator (Defrost)		24	Indicator (HIGH) _ LH
	9	Temperature Control Actuator (Cool)		25	Indicator (MID) _ LH
	10	Temperature Control Actuator (Warm)		26	Indicator (LOW) _ LH
	11	Detent out (-)		27	Heater Switch _ RH
	12	K - Line		28	Indicator (HIGH) _ RH
	13	LIN Left		29	Indicator (MID) _ RH
	14	Lin Right		30	Indicator (LOW) _ RH
	15	-		31	Sensor Ground
	16	ILL - (RHEO)		32	Ground

Repair procedures

Replacement

•	When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components.

•	Put on gloves to prevent hand injuries.

•	Take care not to bend or scratch the trim and panels.

1.	Disconnect the negative (-) battery terminal.

2.	Using a flat-tip screwdriver or remover and remove the rear console upper cover (A).

3.	Press the lock pin and separate the rear console connector (A) and remove the rear console upper cover (B).

4.	Loosen the mounting screws and remove the rear heater & A/C control unit (A).

To install, reverse removal procedure.

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

•	Make sure the connector are connected in properly.

Heater & A/C Control Unit (DATC)

Components and components location Component Connector Pin Function Connector PIN No Pin Function Connector PIN No Pin Function A 1 Battery A 21 IGN2 2 ISG B+ 22 IGN1 3 ILL+ (TAIL) 23 Blower Motor (+) 4 Sensor Ground REF (+5V) 24 Photo Sensor (-)_LEFT 5 Mode Control Actuator Feedback 25 Photo Sensor (-)_RIGHT 6 Temperature Actuator Feedback - Driver 26 Incar Sensor (+) 7 Intake Actuator Feedback 27 Incar Motor (-) 8 Evaporator Temperature Sensor (+) 28 PTC Relay 3 9 Ambient Temperature Sensor (+) 29 PTC Relay 3 10 Mode Control Actuator (Vent) 30 PTC On Signal 11 Mode Control Actuator (Defrost) 31 Detent out (-) 12 Temperature Control Actuator (Cool) - Driver 32 K - Line 13 Temperature Control Actuator (Warm) - Driver 33 P_CAN High 14 Intake Actuator (Fresh Air) 34 P_CAN Low 15 Intake Actuator (Recirculated Air) 35 Mosfet (DRAIN F/B) 16 HTD (Rear Defrost) 36 Mosfet (GATE) 17 Rear Defogging Swich 37 ECV + 18 Clean Signal 38 ECV - 19 Ionizer Diagnosis 39 Sensor Ground 20 ILL - (RHEO) 40 Ground Connector PIN No Pin Function Connector PIN No Pin Function B 1 Temperature Control Actuator Feedback - Passenger B 9 - 2 Temperature Control Actuator (Cool) - Passenger 10 - 3 Temperature Control Actuator (Warm) - Passenger 11 - 4 Defogging Actuator Feedback 12 Defogging Sensor TEMP 5 Defogging Actuator (Open) 13 Defogging Sensor SCK 6 Defogging Actuator (Close) 14 Defogging Sensor Data 7 - 15 - 8 Seat Signal PWM - Driver 16 Ground Repair procedures Self Diagnosis 1...

Advanced Driver Assistance System (ADAS)

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