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 2014-2021 Owners Manual: Air bag warning and indicator
Air bag warning light The purpose of the air bag warning light in your instrument panel is to alert you of a potential problem with your air bag - Supplemental Restraint System (SRS). When the ignition switch is turned ON, the warning light should illuminate for approximately 6 secon ...

Hyundai Creta GS 2014-2021 Service Manual: Side Impact Sensor (SIS)
Description and operation Description The Side Impact Sensor (SIS) system consists of two front SIS which are installed inside the Center Pillar (LH and RH). They are remote sensors that detect acceleration due to collision at their mounting locations. The primary purpose ...

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