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

Hyundai Creta GS 2014-2023 Service Manual / Heating, Ventilation and Air Conditioning / 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 ...

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