Hyundai Tucson: General Information / Troubleshooting

Hyundai Tucson (LM) 2010-2015 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.

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
No air temperature control	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 comes out	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
	10. Wire harness
Insufficient cooling	1. Refrigerant capacity
	2. Drive belt
	3. Magnetic clutch
	4. Compressor
	5. Condenser
	6. Expansion valve
	7. Evaporator
	8. Refrigerant lines
	9. A/C pressure transducer
	10. Heater control assembly
No engine idle-up when A/C switch ON	1. Engine ECM
No engine idle-up when A/C switch 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 ItemSpecificationCompressorTypeDVE16Oil type & CapacityPAG OIL 120±10cc (4.2±0.35 OZ.)Pulley type6PK-TYPEDisplacement160cc/revCondenserHeat rejection14,000±5% ...

Special Service Tools

Special Service Tools Tool (Number and name)IllustrationUse09977-29000Disc & hub assembly bolt removerRemoval and installation of disc & hub assembly. ...

Other information:

Hyundai Tucson (LM) 2010-2015 Owners Manual: Recommended SAE viscosity number
CAUTION Always be sure to clean the area around any filler plug, drain plug, or dipstick before checking or draining any lubricant. This is especially important in dusty or sandy areas and when the vehicle is used on unpaved roads. Cleaning the plug and dipstick areas will prevent dirt and gr ...

Hyundai Tucson (LM) 2010-2015 Service Manual: Heater Unit Components and Components Location
Component Location Components 1. Heater Case (LH)2. Heater Core Cover3. Mode Actuator4. Shower Duct (LH)5. Temp Actuator (Drive)6. Evaporator Sensor7. Def Door Lever8. Vent Door Lever9. Foot Sub Lever10. Def Door11. Vent Door (LH)12. Foot Door13. Mix Door (LH)(Auto Type)14. Heater Core15. Duct ...