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.| 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 |
SpecificationsHyundai Tucson (NX4) 2022-2026 Owner's Manual: Smart Cruise Control Settings
Based on Drive Mode
Smart Cruise Control accelerates
differently based on the drive mode
selected from Drive Mode Integrated
Control system.
Information
For more information, refer to the
"Drive Mode Integrated Control
System" section in Chapter 6.
In some drive modes, Smart Cr ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Joint Assembly (Transaxle side)
- Removal
• Drive shaft joints require special grease, so do not add any other type of grease.
• When replacing the boot band, it must be a new one.
1.Remove the front drive shaft.(Refer to Driveshaft Assembly - "Front Driveshaft")
2.Remove the transaxle side large ...