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 2014-2025 Service Manual: Repair procedures
Repair procedures ABS System Bleeding This procedure should be followed to ensure adequate bleeding of air and filling of the ESC unit, brake lines and master cylinder with brake fluid. 1. Remove the reservoir cap and fill the brake reservoir with brake flu ...

Hyundai Creta GS 2014-2025 Owners Manual: Parking brake
Checking the parking brake Check the stroke of the parking brake by counting the number of “clicks’’ heard while fully applying it from the released position. Also, the parking brake alone should securely hold the vehicle on a fairly steep grade. If the stroke is more or less t ...

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