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:
Components 1. Motor assembly2. Electric oil pump (EOP)3. Automatic transaxle case4. Rear cover5. Valve body cover6. Manual control lever7. Air breather hose8. Inhibitor switch9. Solenoid valve connector10. Resolver sensor11. ATF Warmer ...
Replacement • Use a plastic panel removal tool to remove interior trim pieces to protect from marring the surface. • Put on gloves to protect your hands. • Take care not to bend or scratch the cover and other parts. 1. Remove the trunk trim. (Refer to the BD group - "Trunk Trim") ...
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