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:
Replacement 1. Remove the rear wheel & tire. Tightening torque: 88.3 ~ 107.9N.m(9.0 ~ 11.0kgf.m, 65.1 ~ 79.6lb-ft) Be careful not to damage the hub bolts when removing the rear wheel & tire. 2. Loosen the bolt & nut and then remove the rear upper arm (A) from the rear axle. ...
Specification TemperatureResistance (k?)°C°F-40-4048.14-20-414.13 ~ 16.830325.7920682.31 ~ 2.59401041.15601400.59801760.32 ...
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