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

Hyundai Santa Fe (TM) 2019-2023 Service and Repair 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
PTC Relay (GASOLINE)
30
 PTC ON Signal (DIESEL) /
-
- (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

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

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

    Other information:

    Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Mode Control Actuator. Components and components location

    Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Troubleshooting

    Diagnosis with Diagnostic tool 1. In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (Diagnostic tool). The diagnostic system (Diagnostic tool) provides the following information.

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