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

Hyundai Ioniq (AE) 2017-2025 Service Manual / Heating, Ventilation and Air Conditioning / Controller. Heater & A/C Control Unit (DATC) / Components and components location

Components

Connector Pin Function
[Connector A]
Pin NO
Funtion
Pin NO
Funtion
1
Battery (+)
21
IGN1
2
-
22
IGN2
3
ILL+ (TAIL)
23
Blower PWM
4
Sensor REF (+5V)
24
Left Photo Sensor (-)
5
Driver Mode Control Actuator Feedback
25
Right Photo Sensor (-)
6
Driver Temperature Control Actuator Feedback
26
Blower Relay
7
Intake Actuator Feedback
27
Incar sensor (+)
8
Evaporator Temperature Sensor (+)
28
Incar motor (-)
9
Ambient Temperature Sensor (+)
29
-
10
Dirver Mode Control Actuator (VENT)
30
Detent out (-)
11
Dirver Mode Control Actuator (DEF)
31
-
12
Driver Temperature Control Actuator (COOL)
32
-
13
Driver Temperature Control Actuator (WARM)
33
P CAN HIGH
14
Intake Actuator (FRE)
34
P CAN LOW
15
Intake Actuator (REC)
35
Climate_CAN High
16
Passenger Temperature Control Actuator (COOL)
36
Climate_CAN Low
17
Passenger Temperature Control Actuator (WARM)
37
Interlock (+)_Ecomp
18
HTD (Rear Defrost)
38
Interlock (-)_Ecomp
19
Reae defogging switch
39
Sensor Ground
20
ILL - (RHEO)
40
Ground

[Connector B]
Pin NO
Funtion
Pin NO
Funtion
1
PTC Relay 1
17
PAB Off Signal
2
PTC Relay 2
18
Passenger Mode Control Actuator (Vent)
3
-
19
Passenger Mode Control Actuator (Defrost)
4
-
20
Passenger Mode Control Actuator Feedback
5
Auto Defogging Actuator (OPEN)
21
Duct Sensor (+)_Vent
6
Auto Defogging Actuator (CLOSE)
22
Duct Sensor (+)_Floor
7
-
23
-
8
-
24
-
9
-
25
Passenger Temperature Control Actuator Feedback
10
-
26
-
11
PAB IGN 1
27
-
12
ADS Signal
28
Auto Defogging Actuator Feedback
13
-
29
-
14
-
30
-
15
PAB On Signal
31
-
16
Ground
32
-

    Controller. Heater & A/C Control Unit (DATC)

    ..

    Repair procedures

    Self Diagnosis1.Self-diagnosis process.    • When operating the self-diagnostics, the below fault (self-diagnostics code) will blink at 0...

    Other information:

    Hyundai Ioniq (AE) 2017-2025 Service Manual: Parking Brake Pedal Assembly. Repair procedures


    RemovalParking Brake Pedal1.Disconnect the negative (-) battery cable.2.Remove the crash pad lower panel.(Refer to Body - "Crash Pad")3.Remove the junction box.(Refer to Body Electrical System - "Fuses and Relays")4.Disconnect the parking brake switch connector (A)...

    Hyundai Ioniq (AE) 2017-2025 Owner's Manual: Charging the Plug-in Hybrid Vehicle


    Charging Information • Normal Charge : The plug-in hybrid vehicle is charged by plugging into a normal charger installed in your home or a public charging station. (For further details, refer to the 'Normal Charge'.) • Trickle Charge : The plug-in hybrid vehicle can be charged by using household electricity...

    Categories

    Seatback pocket

    Hyundai Ioniq. Seatback pocket

    The seatback pocket is provided on the back of the front passenger's seatback.

    WARNING

    To prevent the Occupant Classification System from malfunctioning:

    read more


     
    Copyright © 2025 www.hioniqae.com