Kia Optima: Inspection - Repair procedures - Horn - Body Electrical System - Kia Optima TF 2011-2026 Service ManualKia Optima: 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.


Repair procedures
...

Removal
1. Remove the radiator grill upper cover.(Refer to the BD group - "Front bumper") 2. Remove the mounting nut and disconnect the horn connector (B), then ...

See also:

Manual heating and air conditioning
The heating and cooling system can be controlled manually by pushing buttons other than the AUTO button. In this case, the system works sequentially according to the order of buttons selected. 1. ...

Remote keyless entry system operations
Type A Type B Lock (1) All doors are locked if the lock button is pressed. If all doors (and trunk) are closed, the hazard warning lights will blink once to indicate that all doors (and tru ...

Injector. Troubleshooting
Signal Waveform ...

Copyright � www.kiopman.com 2026