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:
Specifications IMS Electrical System ItemSpecificationRating voltageDC 12VOperating voltageDC 9V ~ 16VOperating temperature-22°F ~ 176°F (-30°C ~ +80°C)Maintaining temperature-40°F ~ 185°F (-40°C ~ +85°C)Max, humid95%Consumption currentMAX 700mADark currentBelow 2mA Motor Electrical System ItemSpecificationRating ...
Description Tread Lamp – Tire Under Inflation / Leak Warning. 1. Turn on condition • When tire pressure is below allowed threshold • When rapid leak is detected by the sensor. 2. Turn off condition • When tire pressure is above(warning threshold + hysteresis). • When tire pressure is above ...
© 2025 Copyright www.koptimatfhev.com