Kia Optima Hybrid: Horn / Repair procedures

Inspection
Test the horn by connecting battery voltage to the 1 terminal and ground the 2 terminal.
The horn should make a sound. If the horn fails to make a sound, replace it.
Horn Relay Inspection
1.
Remove the horn relay (A) from the engine room relay box.
2.
There should be continuity between the No.30 and No.87 terminals when power and ground are connected to the No.85 and No.86 terminals.
3.
There should be no continuity between the No.30 and No.87 terminals when power is disconnected.

Removal
1.
Remove the front bumper.
(Refer to the BD group - "Front bumper")
2.
Remove the mounting nut and disconnect the horn connector (B), then remove the horn (A).

Installation
1.
Connect the horn connector, then reassemble the horn.
2.
Reassemble the front bumper.
Components and Components Location

Component Location 1. Horn switch2. Horn relay (Engine room compartment)3. Horn (Low)4. Clock spring5. Horn (High) ...

AVN System

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