Hyundai Venue (QX): Controller / Heater & A/C Control Unit (Manual). Repair procedures

Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the console upper front garnish.
(Refer to Floor Console - "Floor Console Assembly")
3.
Remove the center fascia panel.
(Refer to Body (Interior and Exterior) - "Center Fascia Panel")
4.
Remove the audio and AVN head unit.
(Refer to Body Electrical System - "Audio Unit")
5.
Loosen the mounting screws and remove the A/C & heater controller unit (A).

Hyundai Venue. Heater & A/C Control Unit (Manual). Repair procedures

6.
Separate the manual controller cable (A)

Hyundai Venue. Heater & A/C Control Unit (Manual). Repair procedures

7.
Separate the A/C & heater controller unit connector (A).

Hyundai Venue. Heater & A/C Control Unit (Manual). Repair procedures

8.
To install, reverse the removal procedure.
Hyundai Venue. Heater & A/C Control Unit (Manual). Repair procedures   
•
Make sure the connector is connected in properly.
•
Replace any damaged clips.

    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 Power 17 IGN2 2 ISG B+ 18 IGN1 3 ILL+ (TAIL) 19 - 4 Sensor REF (+5) 20 - 5 - 21 PTC Relay 1 6 Intake actuator (F/B) 22 - 7 EVAP Sensor (+) 23 MAX Blower ON Signal 8 AMB Sensor (+) 24 - 9 - 25 - 10 - 26 C_CAN High 11 Intake actuator (Fresh Air) 27 C_CAN Low 12 Intake actuator (Recirculated Air) 28 - 13 HTD (Rear defog indicator) 29 ECV+ 14 Rear defog switch 30 ECV(-) 15 Blower ON signal to common 31 Sensor ground 16 ILL- (RHEO) 32 Ground

    Components 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

    Other information:

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

    Description The immobilizer system will disable the vehicle unless the proper ignition key is used, in addition to the currently available anti-theft systems such as car alarms, the immobilizer system aims to drastically reduce the rate of auto theft.

    Hyundai Venue (QX) (2020-2026) Service Manual: Temperature Control Actuator. Repair procedures

    Inspection 1. Turn the ignition switch OFF. 2. Disconnect the temperature control actuator connector. 3. Verify that the temperature control actuator operates to the cool position when connecting 12V to terminal 3 and grounding terminal 7.

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