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 ToolsDescription
The 6-speed automatic transaxle consists of an overdrive clutch (OD/C),
a one-way clutch (OWC), a lower and reverse brake (LR/B), an underdrive brake
(UD/B), a 26 brake (26/B), and a 35R clut ...
ATF Warmer Description
The ATF warmer is mounted on the valve body cover to reduce oil viscosity
friction by increasing oil temperature under cold condition, which in turn improves
fuel efficiency. It is serial mou ...
Specification
HO2S [Bank 1/Sensor 1]
Item
Specification
Heater Resistance (Ω)
2.5 ~ 4.0 [20°C(68°F)]
HO2S [Bank 1/Sensor 2]
A/F Ratio (λ)
...