Kia Optima DL3: Blower / Power Mosfet

Kia Optima DL3 2019-2026 Service and Repair Manual / Heating, Ventilation and Air Conditioning / Blower / Power Mosfet

Description and operation

Description

It is installed to the DATC and adjusts the fan rpm by precisely controlling the voltage applied to the blower motor.

Repair procedures

Inspection

1.	Turn the ignition switch ON.

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

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

Replacement

1.	Disconnect the negative (-) battery terminal.

2.	Remove the crash pad under cover (A).

3.	Separate the connector (A), loosen the mounting screws and remove the power mosfet (B).

4.	To install, reverse the removal procedure.

❮Blower Resistor

Repair procedures Inspection 1. Measure the resistance between the terminals. 2. measured resistance is not within specification, the blower resistor must be replaced.

Climate Control Air Filter❯

Description and operation Description The climate control air filter is located in the blower unit. It eliminates foreign materials and odor.

Other information:

Kia Optima DL3 2019-2026 Service and Repair Manual: In-car Sensor

Description and operation Description The In-car air temperature sensor is built in the heater & A/C control unit. The sensor contains a thermistor which measures the temperature of the inside. The signal decided by the resistance value which changes in accordance with perceived inside temperature, is delivered to heater co

Kia Optima DL3 2019-2026 Service and Repair Manual: Blower Resistor