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 Owners Manual: Engine Oil
Checking the Engine Oil Level
1. Follow all of the oil manufacturer’s precautions.
2. Be sure the vehicle is on level ground in P (Park) with the parking brake
set and the wheels blocked.
3. Turn the engine on and allow the engine to reach normal operating temperature.
4. Turn the engine off and ...
Hyundai Sonata LF 2014-2019 Service Manual: Rear Door Inside Handle Repair procedures
Replacement
1.
Remove the rear door trim.
(Refer to Rear Door - "Rear Door Trim")
2.
Remove the rear door side curtain assembly.
(Refer to Rear Door - "Rear door side curtain assembly")
3.
After loosening the mounting screws, then remove the rear door inside handle (A).
4.
Install ...
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