Kia Optima Manuals

Kia Optima: Troubleshooting - General Information - Heating,Ventilation, Air Conditioning - Kia Optima TF 2011-2025 Service ManualKia Optima: Troubleshooting

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.

Standard:

Symptom
 Suspect Area
No blower operation
1. Blower fuse
2. Blower motor
3. Power mosfet
4. Blower speed control switch
5. Wire harness
No air temperature control
1. Engine coolant capacity
2. Heater control assembly
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
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
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
No engine idle-up when A/C switch ON
1. Engine ECM
2. Wire harness
No air inlet control
1. Heater control assembly
No mode control
1. Heater control assembly
2. Mode actuator
No cooling fan operation
1. Cooling fan fuse
2. Fan motor
3. Engine ECM
4. Wire harness


Specifications
Specification Air Conditioner Item Specification Compressor Type 6VSX16 (External variable displacement) Oil type & ...

Special Service Tools
Special Service Tools Tool (Number and name) Illustration Use 09977-3R000 Disc & hub assembly bolt remover Removal ...

See also:

Power outlet
The power outlet is designed to provide power for mobile telephones or other devices designed to operate with vehicle electrical systems. The devices should draw less than 10 amps with the engin ...

Sports Mode
Whether the vehicle is stationary or in motion, sports mode is selected by pushing the shift lever from the “D” position into the manual gate. To return to “D” range operation, push the ...

Fuel Filter. Repair procedures
Replacement 1. Remove the fuel pump (Refer to “Fuel Pump” in this group). 2. Disconnect the electric pump wiring connector (A) and the fuel sender conn ...

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