Sunday, November 28, 2010

How to Know the Symptoms of Air Conditioning?How to Know the Symptoms of Air Conditioning?

 

Model: Any Hyundai Cars

Year of Model: Any

Fuel: Gasoline

Displacement: Any

How to Know the Symptoms of Air Conditioning?

 

 

Heating,Ventilation, Air Conditioning

 

Study Guide and Troubleshooting

Problem Symptoms Table

Study Before replacing or repairing air conditioning components, first determine if the malfunction is due to the refrigerant charge, air flow or compressor.

Study 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.

Study After correcting the malfunction, check the complete system to ensure that performance is satisfactory.

Symptom

Suspect Area

No blower operation

1.       Blower fuse

2. Study Blower relay

3. Study Blower motor

4. Study  Power mosfet

5. Study Blower speed control switch

6. Study Wire harness

No air temperature control

1.       Engine coolant capacity

2. Study   Heater control assembly

No compressor operation

1.       Refrigerant capacity

2. Study  A/C Fuse

3. Study   Magnetic clutch

4. Study   Compressor

5. Study  A/C pressure transducer

6. Study   A/C switch

7. Study   Evaporator temperature sensor

8. Study  Wire harness

No cool comes out

1.       Refrigerant capacity

2. Study  Refrigerant pressure

3. Study Drive belt.

4. Study  Magnetic clutch.

5. Study Compressor

6.  Study A/C pressure transducer

7.  Study  Evaporator temperature sensor.

8.  Study A/C switch.

9.  Study  Heater control assembly

10. Study Wire harness

Insufficient cooling

1.       Refrigerant capacity

2.  Study  Drive belt

3.  Study  Magnetic clutch

4.  Study  Compressor

5.  Study Condenser

6.  Study  Expansion valve

7.  Study Evaporator

8.  Study  Refrigerant lines

9.  Study A/C pressure transducer

10. Study Heater control assembly

No engine idle-up when A/C switch ON

1.       Engine ECM

2. Stud Wire harness

No air inlet control

1.       Heater control assembly

No mode control

1.       Heater control assembly

2. Study Mode actuator

No cooling fan operation

1.       Cooling fan fuse

2. Study Fan motor

3. Study  Engine ECM

4. Study Wire harness

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