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HOMESERVICE MANUALSHYUNDAI2014GENESIS COUPE 2.0T, AUTOMATIC TRANSREPAIR AND DIAGNOSISHEATING, VENTILATION & A/C (HVAC)GENERAL SERVICINGHEATING, VENTILATION AND AIR CONDITIONING - GENERAL INFORMATIONTROUBLESHOOTINGPROBLEM SYMPTOMS TABLE
2014 Hyundai Genesis Coupe 2.0T, Automatic Trans

Problem Symptoms Table

2014 Hyundai Genesis Coupe 2.0T, Automatic TransSECTION 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 following table 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: 

PROBLEM SYMPTOMS

Symptom Suspect 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. Magnetic clutch
  4. Compressor
  5. A/C pressure transducer
  6. A/C switch
  7. Evaporator temperature sensor
  8. Wire harness
No cool air
  1. Refrigerant capacity
  2. Refrigerant pressure
  3. Drive belt
  4. Magnetic clutch
  5. Compressor
  6. A/C pressure transducer
  7. Evaporator temperature sensor
  8. A/C switch
  9. Heater control assembly Wire harness
Insufficient cooling
  1. Refrigerant capacity
  2. Drive belt
  3. Magnetic clutch
  4. Compressor
  5. Condenser
  6. Expansion valve
  7. Expansion valve
  8. Expansion valve
  9. Evaporator
  10. Refrigerant lines
  11. A/C pressure transducer
  12. 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
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.