Hyundai Accent (HC): Heating, Ventilation and Air Conditioning / Troubleshooting

Hyundai Accent (HC) (2017 - 2022) 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:
SymptomSuspected Area
No blower operationBlower fuse
Blower relay
Blower motor
Power mosfet
Blower speed control switch
Wire harness
No air temperature controlEngine coolant capacity
Heater control assembly
No compressor operationRefrigerant capacity
A/C fuse
Compressor
A/C pressure transducer
A/C switch
Evaporator temperature sensor
Wire harness
Vented air not coldRefrigerant capacity
Refrigerant pressure
Drive belt
Compressor
A/C pressure transducer
Evaporator temperature sensor
A/C switch
Heater control assembly
Wire harness
Insufficient coolingRefrigerant capacity
Drive belt
Compressor
Condenser
Expansion valve
Evaporator
Refrigerant lines
A/C pressure transducer
Heater control assembly
No engine idle-up when A/C switch ONEngine ECM
Wire harness
No air inlet controlHeater control assembly
Intake actuator
No mode controlHeater control assembly
Mode actuator or cable
No cooling fan operationCooling fan fuse
Fan motor
Engine ECM
Wire harness
Blower resister
Power mosfet

Specifications

Air Conditioning System

Other information:

Hyundai Accent (HC) (2017 - 2022) Service Manual: Intake Actuator

- Components Location 1. Intake actuator - Description The intake actuator is located at the blower unit. It regulates the intake door by a signal from the control unit. Pressing the intake selection switch will shift between recirculation and fresh air modes. - Specifications Door positionVoltage (V)Error detecting Fresh 0.3 ± 0.

Hyundai Accent (HC) (2017 - 2022) Service Manual: Control Cable

- Components 1. Shift lever knob & boots2. Shift lever assembly3. Select cable4. Shift cable5. Retainer6. 4th fixing pin - Removal 1.Move the shift lever to 4th gear. 2.Turn OFF ignition switch and disconnect the negative (-) battery cable. 3.Remove the air cleaner assembly and air duct.(Refer to Engine Mechanical System - "Air Cleaner") 4.

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