Hyundai Elantra: 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
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

Specifications
Specification Air Conditioner ItemSpecificationCompressorType6VSe14Oil type & CapacityFD46XG (IDEMITSU) 110 ± 10 g (3.88 ± 0.35 oz.)Pulley type6PK-TYPEDisplacement142 cc/revExpansion valveTy ...

Special Service Tools
Special Service Tools Tool (Number and name)IllustrationUse09977-3R000Disc & hub assembly bolt removerRemoval and installation of disc & hub assembly. ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Front Seat Belt Pretensioner Repair procedures
Replacement     • When installing the belt, make sure not to damage the pretensioner. 1. Remove the center pillar upper trim. (Refer to Interior Trim - "Center Pillar Trim") 2. After loosening the front belt upper anchor mounting bolt, remove the front belt upper ...

Hyundai Elantra AD (2016-2020) Owners Manual: Vehicle Identification Number (VIN), Vehicle Certification Label
Vehicle Identification Number (VIN) ■ Frame number The vehicle identification number (VIN) is the number used in registering your car and in all legal matters pertaining to its ownership, etc. The number is punched on the floor under the passenger seat. To check the number, open the cover ...

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