Hyundai Elantra: Heating, Ventilation and Air Conditioning / Troubleshooting
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
| Blower fuse
|
Blower relay
|
Blower motor
|
Power mosfet
|
Blower speed control switch
|
Wire harness
|
No air temperature control
| Engine coolant capacity
|
Heater control assembly
|
No compressor operation
| Refrigerant capacity
|
A/C fuse
|
Compressor
|
A/C pressure transducer
|
A/C switch
|
Evaporator temperature sensor
|
Wire harness
|
Vented air not cold
| Refrigerant capacity
|
Refrigerant pressure
|
Drive belt
|
Compressor
|
A/C pressure transducer
|
Evaporator temperature sensor
|
A/C switch
|
Heater control assembly
|
Wire harness
|
Insufficient cooling
| Refrigerant 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 ON
| Engine ECM
|
Wire harness
|
No air inlet control
| Heater control assembly
|
No mode control
| Heater control assembly
|
Mode actuator
|
No cooling fan operation
| Cooling fan fuse
|
Fan motor
|
Engine ECM
|
Wire harness
|
SpecificationAir Conditioner
Item
Specification
CompressorTypeGamma 1.6 MPI, Gasoline 2.0 NU MPI, Gasoline 1...
Other information:
Opening the hood
1. Park the vehicle and set the parking
brake.
2. Pull the release lever to unlatch the
hood. The hood should pop open
slightly.
3. Go to the front of the vehicle, raise
the hood slightly, push the secondary
latch up (1) inside of the hood center
and lift the hood (2)...
Both the driver’s and passenger’s front
seat are equipped with adjustable head
restraints for the safety and comfort.
Adjusting the height up and down
To raise the head restraint:
1. Pull it up to the desired position (1).
To lower the head restraint:
1...