Hyundai Venue (QX): Controller / Heater & A/C Control Unit (DATC). Components and components location

Hyundai Venue (QX) (2020-2026) Service Manual / Heating, Ventilation and Air Conditioning / Controller / Heater & A/C Control Unit (DATC). Components and components location

Components

Hyundai Venue. Heater & A/C Control Unit (DATC). Components and components location

Connector [A]
Pin NO
Function
Pin NO
Function
1
 Battery (+)
 21
 IGN2
2
 ISG B+
 22
 IGN1
3
 ILL+ (TAIL)
 23
 Blower motor (+)
4
 Sensor REF (+5V)
 24
 Photo sensor (-)
5
 Mode actuator feedback
 25
 -
6
 Temperature actuator feedback
 26
 -
7
 Intake actuator feedback
 27
 -
8
 EVAP Sensor (+)
 28
 -
9
 AMB Sensor (+)
 29
 -
10
 Mode actuator (Vent)
 30
 PTC Relay 1
11
 Mode actuator (Defrost)
 31
 -
12
 Temperature actuator (Cool)
 32
 -
13
 Temperature actuator (Warm)
 33
 C_CAN High
14
 Intake actuator (Fresh Air)
 34
 C_CAN Low
15
 Intake actuator (Recirculated Air)
 35
 Power mosfet (Drain feed back)
16
 HTD (Rear defog indicator)
 36
 Power mosfet (Gate)
17
 Rear defog switch
 37
 ECV (+)
18
 -
 38
 ECV (-)
19
 -
 39
 Sensor ground
20
 ILL- (RHEO)
 40
 Ground

    Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the console upper front garnish.

    Self Diagnosis 1. Self-diagnosis process.    • When operating the self-diagnostics, the below fault(self-diagnostics code) will blink at 0.

    Other information:

    Hyundai Venue (QX) (2020-2026) Service Manual: General safety information and caution

    Instructions (R-134a) When Handling Refrigerant 1. R-134a liquid refrigerant is highly volatile. A drop on the skin of your hand could result in localized frostbite. When handling the refrigerant, be sure to wear gloves.

    Hyundai Venue (QX) (2020-2026) Service Manual: A/C Pressure Transducer. Description and operation

    Description The A/C Pressure Transducer (APT) converts the pressure value of high pressure line into voltage value after measuring it. By converted voltage value, engine ECU controls the cooling fan by operating it high speed or low speed.

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