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: Repair procedures

    Refrigerant System Service Basics (R-134a) Refrigerant Recovery Use only service equipment that is U.L-listed and is certified to meet the requirements of SAE J2210 to remove HFC-134a(R-134a) from the air conditioning system.

    Hyundai Venue (QX) (2020-2026) Service Manual: Troubleshooting

    Diagnosis with Diagnostic tool 1. In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (Diagnostic tool). The diagnostic system (Diagnostic tool) provides the following information.

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