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

Hyundai Santa Fe (TM) 2019-2025 Service Manual / Heating,Ventilation And Air Conditioning / Controller / Heater & A/C Control Unit (DATC). Components and components location

Component

Connector Pin Function

Pin No	Connector A	Connector B
1	Battery	Temperature Actuator Feedback - Passenger
2	ISG B+	Temperature Actuator (Cool) - Passenger
3	ILL+ (TAIL)	Temperature Actuator (Warm) - Passenger
4	Sensor REF (+5V)	Defogging Actuator Feedback
5	Mode Actuator Feedback	Defogging Actuator (Open)
6	Temperature Actuator Feedback - Driver	Defogging Actuator (Close)
7	Intake Actuator Feedback	-
8	Evaporator Temperature Sensor (+)	-
9	Ambient Temperature Sensor (+)	-
10	Mode Actuator (Vent)	In-car sensor (+)
11	Mode Actuator (Defrost)	PAB IGN1
12	Temperature Control Actuator (Cool) - Driver	Defogging Sensor Glass Temperature
13	Temperature Control Actuator (Warm) - Driver	-
14	Intake Actuator (Fresh Air)	-
15	Intake Actuator (Recirculated Air)	-
16	HTD (Rear Defrost)	Ground
17	Rear Defogging Swich	Rear Blower Motor (+)
18	-	Rear Mosfer (Drain Feedback)
19	-	Rear Mosfer (Gate)
20	ILL - (RHEO)	-
21	IGN 2	-
22	IGN 1	-
23	Blower Motor (+)	-
24	Photo Sensor (-)_LEFT	LIN BUS (Climate control)
25	Photo Sensor (-)_RIGHT	-
26	Defogging Sensor Data	-
27	Defogging Sensor SCL	-
28	-	-
29	PTC Relay 2 (DIESEL) /	Driver Seat Signal PWM
29	PTC Relay (GASOLINE)	Driver Seat Signal PWM
30	PTC ON Signal (DIESEL) /	-
30	- (GASOLINE)	-
31	-	Rear C-LINE
32	-	-
33	P_CAN (HIGH)
34	P_CAN (LOW)
35	Mosfet (DRAIN F/B)
36	Mosfet (GATE)
37	ECV (+)
38	ECV (-) Ground
39	Sensor Ground
40	Ground

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

Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the console upper cover (A)...

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

Self Diagnosis 1. Self-diagnosis process. • When operating the self-diagnostics, the below fault(self-diagnostics code) will blink at 0...

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