Kia Optima Manuals

Kia Optima: Inspection - Power Mosfet. Repair procedures - Blower - Heating,Ventilation, Air Conditioning - Kia Optima TF 2011-2023 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:

Replacement (With EPB)
Rear brake pads 1. Remove the rear wheel & tire. 2. Connect the GDS to the data link connector located underneath the dash panel. 3. Ignition "ON& ...

Replacement
1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad.(Refer to BD group - "Crash Pad") 3. Disconnect the Intake actu ...

Installation
1. Installation is the reverse of removal. • When installing, apply the ATF oil or white vasel ...

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