Kia Optima DL3: Body Electrical System / Horn

Kia Optima DL3 2019-2026 Service and Repair Manual / Body Electrical System / Horn

Specifications

Item	Specification	Remark
Operating voltage	9 - 16 V	-
Current consumption	MAX 5.0 A	At 12 V
Sound level	111 ± 3 dB	At 13 V, 2 m
Insulation resistance	MIN 1 MΩ	By 500 V megameter

Components and components location

Component Location

1. Horn switch
2. Engine room junction block (Horn fuse)

3. Horn (Low pitch)
4. Horn (High pitch)

Repair procedures

Removal

1.	Disconnect the negative battery terminal.

2.	Remove the front bumper assembly. (Refer to Body - "Front Bumper assembly")

3.	Disconnect the horn connector (A).

Remove the horn (B) by loosening the bolt.

Tightening torque :

9.8 - 11.8 N·m (1.0 - 1.2 kgf·m, 7.2 - 8.7 lb·ft)

[Low pitch]

[High pitch]

Installation

1.	Install in the reverse order of removal.

Inspection

1.	The relay on the horn of this vehicle is implanted into the metal core block PCB of the engine room relay block.

The semi-conductor type relay inserted in the PCB is impossible to replace. If the relay needs to be replaced, replace the metal core box and conduct a test on it.

❮Head Up Display (HUD) Unit

Schematic diagrams Connector and Terminal Function Repair procedures Removal • Use a plastic panel removal tool to remove interior trim pieces without marring the surface.

Ignition Switch Assembly❯

Repair procedures Removal 1. Disconnect the negative battery terminal. 2. Remove the steering column upper & lower shroud panel.

Other information:

Kia Optima DL3 2019-2026 Service and Repair Manual: Smart Key Diagnostic

Repair procedures Inspection 1. In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (KDS). The diagnostic system (KDS) provides the following information. (1) Self diagnosis : Checking failure and code number (DTC).

Kia Optima DL3 2019-2026 Service and Repair Manual: Heater & A/C Control Unit (DATC)

Components and components location Components Connector Pin NO Funtion Pin NO Funtion 1 Ground 9 Ground 2 ILL- 10 - 3 - 11