Kia Optima Manuals

Kia Optima: Inspection - Power Mosfet. Repair procedures - Blower - Heating,Ventilation, Air Conditioning - Kia Optima TF 2011-2026 Service ManualKia Optima: Inspection

1. Ignition "ON"
2. Manually operate the control switch and measure the voltage of blower motor.
3. Select the control switch to raise voltage until high speed.

Specification

Specification
Fan
 Motor Voltage
Manual
First speed
 3.8 ±0.5V
Second speed
 5.0 ±0.5V
Third speed
 6.2 ±0.5V
Fourth speed
 7.4 ±0.5V
Fifth speed
 8.6 ±0.5V
Sixth speed
 9.8 ±0.5V
Seventh speed
 11.0 ±0.5V
eighth speed
 Battery

*AUTO COOLING: Auto speed (4.5V~B+)

*AUTO HEATING: Auto speed (4.5V~11.0V)
4. If the measured voltage is not specification, substitute with a known-good power mosfet and check for proper operation.
5. If the problem is corrected, replace the power mosfet.

Power Mosfet. Repair procedures
...

Replacement
1. 1. Disconnect the negative (-) battery terminal. 2. Remove the main crash pad lower cover (A). 3. Disconnect the power mosfet connector ...

See also:

Installation
1. Install the fob holder. 2. Install the glove box. ...

Tire Size Designation
A tire’s sidewall is marked with a tire size designation. You will need this information when selecting replacement tires for your car. The following explains what the letters and numbers in the ...

Recommended Shifting
Drive the vehicle in the highest gear that allows the engine to run and accelerate smoothly without hesitating or stalling. This will give you the most efficient fuel economy and emission control. ...

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