Hyundai Creta: Controller / Heater & A/C Control Unit (Manual)

Components and components location

Components

Connector [A]
Pin NO
Function
Pin NO
Function
1
Low
4
Middle Low
2
Common
5
Middle High
3
Ground
6
High

Connector [B]
Pin NO
Function
Pin NO
Function
1
Battery (+)
21
-
2
IGN2
22
C_CAN High
3
-
23
C_CAN Low
4
MAX Blower ON Signal
24
-
5
Sensor REF (+5V)
25
EVAP Sensor (+)
6
Mode actuator (Vent)
26
AMB Sensor (+)
7
Mode actuator (Defrost)
27
Rear defog switch
8
Temperature actuator (Cool)
28
Blower ON signal to common
9
Temperature actuator (Warm)
29
ECV +
10
Intake actuator (Fresh Air)
30
ECV- (Ground)
11
Intake actuator (Recirculated Air)
31
Sensor ground
12
Mode actuator feedback
32
Ground
13
Temperature actuator feedback


14
Intake actuator feedback


15
ILL- (RHEO)


16
Ground


17
IGN1


18
ILL+ (TAIL)


19
Detent OUT (-)


20
HTD (Rear defog indicator)



Repair procedures

Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad center panel.
(Refer to Body - "Crach Pad Center Panel")
3.
After loosening the mounting screws, remove the A/C & heater controller unit (A).

4.
Disconnect the A/C & heater controller connectors (A).

5.
Install in the reverse order of removal.
  
Make sure the connector are connected in properly.
Replace any damaged clips.
Controller
...

Heater & A/C Control Unit (DATC)
Components and components location Components Connector [A] Pin NO Function Pin NO Function 1 Bat ...

Other information:

Hyundai Creta GS 2014-2024 Service Manual: Manual Transaxle Fluid
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Hyundai Creta GS 2014-2024 Service Manual: Specifications
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