Hyundai Sonata: 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. Heater control assembly | |
| 6. Blower speed control switch | |
| 7. Wire harness | |
| No air temperature control | 1. Engine coolant capacity |
| 2. Temperature dial switch | |
| 3. 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. Heater control assembly | |
| 7. Evaporator temperature sensor | |
| 8. 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 ON | 1. Engine ECM |
| 2. Heater control assembly | |
| 3. Wire harness | |
| No air inlet control | 1. Recirculate and fresh switch |
| 2. Heater control assembly | |
| No mode control | 1. Heater control assembly |
| 2. Temperature dial switch | |
| 3. Mode actuator | |
| No cooling fan operation | 1. Cooling fan fuse |
| 2. Fan motor | |
| 3. Engine ECM | |
| 4. Wire harness |
Specifications
Specification
Air Conditioner
ltem Specification Theta 2.4 GDI Theta 2.0 T-GDI / Gamma 1.6 T-GDI CompressorType6SES14 Oil type & CapacityND8 (PAG) OIL 80 ± 10 cc (2.82 ± 0.35 oz.) Pulley ...
Other information:
Hyundai Sonata LF 2014-2019 Service Manual: Components and Components Location
Component Location
1. Panorama sunroof2. Panorama sunroof switch3. Panorama sunroof motor & controller4. Roller blind motor & slave controller
...
Hyundai Sonata LF 2014-2019 Owners Manual: Rear Parking Assist System
The Rear Parking Assist System assists the driver during reverse movement of
the vehicle by chiming if any object is sensed within the distance of 50 inches
(120 cm) behind the vehicle.
This system is a supplemental system that senses objects within the range and
location of the sensors, it cann ...
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