Kia Optima DL3: Body Electrical System / Power Door Locks

Components and components location

Component Location

1. Hood switch
2. Integrated Body Control Unit (IBU)
3. Horn
4. Front door actuator & switch
5. Rear door actuator & switch
6. Trunk actuator & switch

Schematic diagrams Connector and Terminal Function Repair procedures Inspection 1. Disconnect the negative battery terminal.

Repair procedures Inspection Power Window Main Switch Diagnosis With KDS 1. In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (KDS).

Other information:

Kia Optima DL3 2019-2026 Service and Repair Manual: A/C Pressure Transducer

Description and operation Description The A/C Pressure Transducer (APT) converts the pressure value of high pressure line into voltage value after measuring it. By converted voltage value, engine ECU controls the cooling fan by operating it high speed or low speed.

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

Repair procedures Inspection 1. Connect the battery voltage and check the blower motor rotation. 2. If the blower motor does not operate well, substitute with a known-good blower motor and check for proper operation.

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