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) 2020-2025 Service Manual: Repair procedures
Inspection Inspection Item • Battery efficiency inspection • Battery voltage inspection • Charging voltage insptection • General inspection • Terminal tightening state inspection • Engine/ transaxle ground state inspection • Wiring harness ground state inspection • Electrical Specified Value Inspection • Vehicle parasitic current inspection • Battery capacity inspection Battery Efficiency Inspection • Check that the battery cables are connected to the correct terminals...
Hyundai Palisade (LX2) 2020-2025 Service Manual: Components and components location
Components 1. Front door trim 2. Front door panel 3. Front door module 4. Front door door side weatherstrip 5. Front door body side weatherstrip 6. Front door quadrant inner cover 7. Front door belt inside weatherstrip 8...
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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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