1. Remove the steering wheel, then turn it over.
2. Check for continuity between the hub core and the contact ring with the horn switch pressed.
3. If there is continuity, reinstall the steering wheel, then test the combination light switch.
1. Remove the front bumper.
2. Disconnect the connectors from the horn.
3. Remove the horn.
4. Test the horn by connecting battery power to one terminal and grounding the other. The horn should sound.
5. Replace the horn if it fails to sound.