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: In-car Sensor. Description and operation

    Description The In-car air temperature sensor is built in the heater & A/C control unit. The sensor contains a thermistor which measures the temperature of the inside. The signal decided by the resistance value which changes in accordance with perceived inside temperature, is delivered to heater control unit and accord

    Hyundai Venue (QX) (2020-2026) Service Manual: Photo Sensor. Description and operation

    Description The photo sensor is located at the center of the defrost nozzles. The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar radiation received by its light receiving portion, generates an electromotive force in proportion to the amount of radiation received which is transferred to th

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