Hyundai Ioniq (AE): 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
-

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

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Mode Control Actuator. Components and components location

    C

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Mode Control Actuator. Description and operation

    DescriptionThe mode control actuator is located at the heater unit.It adjusts the position of the mode door by operating the mode control actuator based on the signal of the A/C control unit. Pressing the mode select switch makes the mode control actuator shift in order of Vent → Bi-Level → Floor → Mix.

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