Kia Sorento: Troubleshooting
| Problem Symptoms Table |
| 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. Magnetic clutch |
|
| 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. Magnetic clutch |
|
| 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. Magnetic clutch |
|
| 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 |
Special ToolsBlower Unit Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Recover the refrigerant with a recovery/recycling/charging station.
3.
...
Dynamic Damper Installation
1.
Apply soap powder on the shaft to prevent being damaged between
the shaft spline and the dynamic damper.
2.
Install the dynamic damper.
...
4WD ECU Components Location
1. 4WD ECU
...