Kia Sedona: Troubleshooting
Before replacing or repairing air conditioning components,
first determine if the malfunction is due to lack of refrigerant, air
flow or compressor.
Use the following table to find the cause of the problem. The
numbers indicate the order of the likely cause of the problem. Check
each part in order. If necessary, replace the corresponding parts.
After fixing the area of malfunction, check the complete system to ensure satisfactory performance.
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
|
Special Service Tools
Tool (Number and name)IllustrationUse09977-3R000Disc & hub assembly bolt removerRemoval and installation of disc & hub assembly.
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