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:

How vehicle audio works
AM and FM radio signals are broadcast from transmitter towers located around your city. They are intercepted by the radio antenna on your vehicle. This signal is then received by the radio and s ...

Removal
1. Remove the head lamp leveling unit connector (A). 2. Loosen the mounting bolts (3EA) of automatic head lamp leveling unit assembly. Tighting torq ...

Removal
1. Disconnect the negative (-) battery terminal. 2. Remove the driver airbag module. (Refer to the RT group) 3. Remove the steering wheel. (Refe ...

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