Hyundai Venue (QX): Heating, Ventilation and Air Conditioning / Troubleshooting

Hyundai Venue (QX) (2020-2026) Service Manual / Heating, Ventilation and Air Conditioning / Troubleshooting

Troubleshooting
Problem Symptoms Table
Before replacing or repairing air conditioning components, first determine if the malfunction is due to the refrigerant charge, air flow or compressor.
Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely cause of the problem. Check each part in order. If necessary, replace these parts.
After correcting the malfunction, check the complete system to ensure that performance is satisfactory.
Standard:
Symptom
Suspected Area
No blower operation
 1. Blower fuse
2. Blower relay
3. Blower motor
4. Power mosfet
5. Blower speed control switch
6. Wire harness
No air temperature control
 1. Engine coolant capacity
2. Heater control assembly
No compressor operation
 1. Refrigerant capacity
2. A/C fuse
3. Compressor
4. A/C pressure transducer
5. A/C switch
6. Evaporator temperature sensor
7. Wire harness
Vented air not cold
 1. Refrigerant capacity
2. Refrigerant pressure
3. Drive belt
4. Compressor
5. A/C pressure transducer
6. Evaporator temperature sensor
7. A/C switch
8. Heater control assembly
9. Wire harness
Insufficient cooling
 1. Refrigerant capacity
2. Drive belt
3. Compressor
4. Condenser
5. Expansion valve
6. Evaporator
7. Refrigerant lines
8. A/C pressure transducer
9. Heater control assembly
No engine idle-up when A/C switch ON
 1. Engine ECM
2. Wire harness
No air inlet control
 1. Heater control assembly
No mode control
 1. Heater control assembly
2. Mode actuator
No cooling fan operation
 1. Cooling fan fuse
2. Fan motor
3. Engine ECM
4. Wire harness

    Specification Air Conditioner item Specification Compressor Type DVE12N Oil type & Capacity PAG 30 120 ± 10cc (4.

    Special Service Tools Tool (Number and name) Illustration Use 09977-3R000 Disc & hub assembly bolt remover Removal and installation of disc & hub assembly.

    Other information:

    Hyundai Venue (QX) (2020-2026) Service Manual: Start/Stop Button. Repair procedures

    Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the crashpad lower panel. (Refer to BODY - "Crashpad Lower Panel") 3. Disconnect the SSB connector (A).

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

    Description The PTC (Positive Temperature Coefficient) heater is installed at the exit or the backside of heater core. The PTC heater is an electric heater using a PTC element as an auxiliary heating device that supplements deficiency of interior heat source in highly effective diesel engine.

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