Hyundai Genesis (DH): General Information / Troubleshooting

Hyundai Genesis (DH) 2013-2016 Service Manual / Heating, Ventilation and Air Conditioning / General Information / 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
No air temperature control	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 is ON	1. Engine ECM
No engine idle-up when A/C switch is ON	2. Wire harness
No air inlet control	1. Heater control assembly
No mode control	1. Heater control assembly
No mode control	2. Mode actuator
No cooling fan operation	1. Cooling fan fuse
	2. Fan motor
	3. Engine ECM
	4. Wire harness

❮Specifications

Specification Air Conditioner ItemSpecificationCompressorType7VSX18Oil type & CapacityPAG 120

Air Conditioning System❯

Other information:

Hyundai Genesis (DH) 2013-2016 Service Manual: CO2 Sensor Description and Operation

Description This system maintains the density of carbon dioxide constantly in vehicle interior by measuring the amount of carbon dioxide to increase the comfortableness and the fuel consumption rate when air conditioning system is operating.

Hyundai Genesis (DH): General Information / Troubleshooting

Other information:

Hyundai Genesis (DH) 2013-2016 Service Manual: CO2 Sensor Description and Operation

Hyundai Genesis (DH) 2013-2016 Service Manual: CO2 Sensor Repair procedures

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