Hyundai Palisade: Heating,Ventilation And Air Conditioning / 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. Blower speed control switch |
|
|
6. Wire harness |
|
|
No air temperature control |
1. Engine coolant capacity |
|
2. Heater control assembly |
|
|
No compressor operation |
1. Refrigerant capacity |
|
2. A/C fuse |
|
|
3. Clutch limiter |
|
|
4. Compressor |
|
|
5. A/C pressure transducer |
|
|
6. A/C switch |
|
|
7. Evaporator temperature sensor |
|
|
8. Wire harness |
|
|
Vented air not cold |
1. Refrigerant capacity |
|
2. Refrigerant pressure |
|
|
3. Drive belt |
|
|
4. Clutch limiter |
|
|
5. Compressor |
|
|
6. A/C pressure transducer |
|
|
7. Evaporator temperature sensor |
|
|
8. A/C switch |
|
|
9. Heater control assembly |
|
|
10. Wire harness |
|
|
Insufficient cooling |
1. Refrigerant capacity |
|
2. Drive belt |
|
|
3. Clutch limiter |
|
|
4. Compressor |
|
|
5. Condenser |
|
|
6. Expansion valve |
|
|
7. Evaporator |
|
|
8. Refrigerant lines |
|
|
9. A/C pressure transducer |
|
|
10. Heater control assembly |
|
|
No engine idle-up when A/C switch ON |
1. Engine ECM |
|
2. Wire harness |
|
|
No air inlet control |
1. Heater control assembly |
|
No mode control |
1. Heater control assembly |
|
2. Mode actuator |
|
|
No cooling fan operation |
1. Cooling fan fuse |
|
2. Fan motor |
|
|
3. Engine ECM |
|
|
4. Wire harness |
Other information:
Hyundai Palisade (LX2) 2020-2024 Service Manual: Components and components location
..
Hyundai Palisade (LX2) 2020-2024 Owner's Manual: Power Windows
The ignition switch must be in the ON position to be able to raise or lower the windows. Each door has a Power Window switch to control that door’s window. The driver has a Power Window Lock switch which can block the operation of passenger windows...
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Air bag inflation conditions
Front air bags
Front air bags and the driver's knee air bag are designed to inflate in a frontal collision depending on the the severity of impact of the front collision.
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