Kia Optima: Blower / Blower Resistor

Kia Optima DL3 2019-2021 Service and Repair Manual / Heating, Ventilation and Air Conditioning / Blower / Blower Resistor

Repair procedures

Inspection

1.	Measure the resistance between the terminals.

measured resistance is not within specification, the blower resistor must be replaced. (After removing the resistor)

(1)

Pin No

1. ML
2. MH

3. HI
4. LO

(2)	Circuit Diagram

Replacement

1.	Disconnect the negative (-) battery terminal.

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

3.	Disconnect the connector (A) and then remove the blower resistor (B) after loosening the mounting screws.

Blower Motor

Repair procedures Inspection 1. Connect the battery voltage and check the blower motor rotation. 2. If the blower motor does not operate ...

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 ...

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