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 2019-2025 Service and Repair Manual: Evaporator Temperature Sensor
Description and operation Description The evaporator temperature sensor will detect the evaporator core temperature and interrupt compressor relay power in order to prevent evaporator from freezing by excessive cooling. The evaporator temperature sensor has the Negative Temperature Coefficient (NTC).
Kia Optima DL3 2019-2025 Service and Repair Manual: Heater Core
Repair procedures Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the heater and blower assembly. (Refer to Heater - "Heater Unit") 3. Loosen the mounting screws and remove the heater core cover (A).
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