Kia Optima DL3: Blower / 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. (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.

    Repair procedures Inspection 1. Connect the battery voltage and check the blower motor rotation. 2.

    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.

    Other information:

    Kia Optima DL3 2019-2026 Service and Repair Manual: Compressor oil

    Repair procedures Oil Specification 1. The HFC-134a system requires synthetic (PAG) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed. 2. Compressor (PAG) oil varies according to compressor model.

    Kia Optima DL3 2019-2026 Service and Repair Manual: Intake Actuator

    Components and components location Components Location 1. Intake actuator Description and operation Description The intake actuator is located at the blower unit. It regulates the intake door by a signal from the control unit.

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