Kia Optima: Inspection - Power Mosfet. Repair procedures - Blower - Heating,Ventilation, Air Conditioning - Kia Optima TF 2011-2019 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:

Voice Recognition Activation
The voice recognition engine contained in the Bluetooth wireless technology System can be activated in the following conditions: - Button Activation The voice recognition system will be acti ...

Opening the hood
1. Pull the release lever to unlatch the hood. The hood should pop open slightly. WARNING Open the hood after turning off the engine on a flat surface, shifting the shift lever to the P(Park) p ...

Closing the sunroof
To close the sunroof glass only Push the sunroof control lever forward to the first detent position or pull the lever downward. To close the sunroof glass with the sunshade Push the sunroof contr ...

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