Kia Optima Hybrid: Heating,Ventilation, 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
| Suspect Area
|
No blower operation
|
| 4) |
Blower speed control switch |
|
No air temperature control
|
| 1) |
Engine coolant capacity |
| 2) |
Heater control assembly |
|
No compressor operation
|
| 4) |
A/C pressure transducer |
| 6) |
Evaporator temperature sensor |
|
A/C does not blow cold air
|
| 4) |
A/C pressure transducer |
| 5) |
Evaporator temperature sensor. |
| 7) |
Heater control assembly |
|
Insufficient cooling
|
| 7) |
A/C pressure transducer |
| 8) |
Heater control assembly |
|
No air inlet control
|
| 1) |
Heater control assembly |
|
No mode control
|
| 1) |
Heater control assembly |
|
No cooling fan operation
|
|
Personal Protective Equipment NameIllustrationDescriptionInsulation gloveUsed when inspecting or working on the high voltage components[Insulation performance : 1000V / 300A or above]Insulation shoesUsed ...
Other information:
High Voltage Shut-off Procedures Be sure to read and follow the “General Safety Information and Caution” before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries. • High voltage components: ...
Component Location Components 1. Duct Seal2. Duct Case3. Inlet Door4. Intake Actuator5. Inlet Duct Case (A)6. Climate Control Air Filter7. Climate Control Air Filter Cover8. Blower Upper Case9. Blower Lower Case10. PWM Blower Module11. Blower Motor ...
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