Kia Carens: Heating,Ventilation And Air Conditioning / Troubleshooting
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
|
Special Service Tools
Tool (Number and name)
Illustration
Use
09977-3R000
Clutch bolt remover
Rem ...
Other information:
Components
1. Clutch
switch
2. Ignition lock switch
3. Clutch pedal assembly
4. Master cylinder assembly
5. Connector
(Only diesel)
6. Regulator (Only diesel)
7. Clutch tube
...
Be sure that all windows, outside mirror(s), and outside lights are clean.
Check the condition of the tires.
Check under the vehicle for any sign of leaks.
Be sure there are no obstacles behind you if you intend to back up.
Necessary inspections
Fluid levels, such as engine oil, engine coolant ...