Kia Optima Manuals

Kia Optima: Inspection - Power Mosfet. Repair procedures - Blower - Heating,Ventilation, Air Conditioning - Kia Optima TF 2011-2025 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:

Roof Trim. Repair procedures
Replacement Sunvisor Replacement • Use a plastic panel removal tool to remove interior trim pieces to protect fr ...

Electric WGT Control Actuator. Components and Components Location
Components 1 . Housing 2 . Cover 3. Sealing Cover 4 . Motor 5. Pinion 6 . Shaft Gear 7 . PCB Assembly 8 . Middle Gear 9 . Lever 10 . Lever Pin 11 ...

Changing the coolant
Have the coolant changed by an authorized Kia dealer according to the Maintenance Schedule at the beginning of this section. CAUTION Put a thick cloth or fabric around the radiator cap befo ...

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