Kia Optima DL3 Quiz
Heating, Ventilation, and Air Conditioning

Power MOSFET

In this manual: Heating, Ventilation, and Air Conditioning
General Information — 8Advanced Driver Assistance System (ADAS) — 21Maintenance — 27Engine Mechanical System — 45Engine Electrical System — 11Emission Control System — 11Engine Control System/Fuel System — 25Automatic Transmission — 20Drive Shaft and Axle — 7Suspension System — 22Steering — 7Restraints — 11Brake System — 22Body (Interior and Exterior) — 116Body Electrical System — 90Heating, Ventilation, and Air Conditioning — 32
7steps
~42min
2/5difficulty
Done 0 of 7

Description and Operation

Description

It is installed on the DATC and controls the blower motor speed by precisely regulating the voltage supplied to the blower motor.

Repair Procedures

Inspection

  1. Turn the ignition on.

  2. Manually operate the control switch and measure the blower motor voltage.

  3. Select the control switch to raise the voltage to high speed.

Replacement

  1. Disconnect the negative (-) battery terminal.

  2. Remove the protective cover under the cover (A).

  3. Disconnect the connector (A), loosen the mounting screws, and remove the power MOSFET (B).

  4. To install, reverse the removal procedure.

Test yourself

A quick Kia Optima DL3 quiz: every answer comes with an explanation and a link to the manual page.