Kia Forte: Troubleshooting
| 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 |
Suspect Area |
| No blower operation |
1. Blower fuse |
| 2. Blower relay |
|
| 3. Blower motor |
|
| 4. Blower resistor, Power mosfet or PWM blower
module |
|
| 5. Blower speed control switch or knob |
|
| 6. Wire harness |
|
| No air temperature control |
1. Engine coolant capacity |
| 2. Heater control assembly |
|
| 3. Temperature control actuator or cable |
|
| No compressor operation |
1. Refrigerant capacity |
| 2. A/C Fuse |
|
| 3. Compressor |
|
| 4. A/C pressure transducer |
|
| 5. A/C switch |
|
| 6. Evaporator temperature sensor |
|
| 7. Wire harness |
|
| 8. High CAN |
|
| No cool comes out |
1. Refrigerant capacity |
| 2. Refrigerant pressure |
|
| 3. Drive belt |
|
| 4. Compressor |
|
| 5. A/C pressure transducer |
|
| 6. Evaporator temperature sensor |
|
| 7. A/C switch |
|
| 8. Heater control assembly |
|
| 9. Wire harness |
|
| 10. High CAN |
|
| 11. Temperature control actuator or cable |
|
| Insufficient cooling |
1. Refrigerant capacity |
| 2. Drive belt |
|
| 3. Compressor |
|
| 4. Condenser |
|
| 5. Expansion valve |
|
| 6. Evaporator |
|
| 7. Refrigerant lines |
|
| 8. A/C pressure transducer |
|
| 9. Heater control assembly |
|
| 10. High CAN |
|
| No engine idle-up when A/C switch ON |
1. Engine ECM |
| 2. Wire harness |
|
| No air inlet control |
1. Heater control assembly |
| 2. Intake actuator |
|
| No mode control |
1. Heater control assembly |
| 2. Mode control actuator or cable |
|
| No cooling fan operation |
1. Cooling fan fuse |
| 2. Fan motor |
|
| 3. Blower resistor, Power mosfet or PWM blower
module |
|
| 4. Engine ECM |
|
| 5. Wire harness |
Special Service Tools
Tool (Number and name)
Illustration
Use
09977-3R000
Disc & hub assembly bolt remover
Removal and installation of disc & hub assembly ...
See also:
Removal
1.
Engine cover.
(Refer to Engine Mechanical System - "Engine cover")
2.
Air cleaner assembly and air duct.
(Refe ...
Steering Gear box Replacement
1.
Loosen the wheel nuts slightly.
Raise the vehicle, and make sure it is securely supported.
2.
Remove the front wheel and tire (A ...
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