Horn Switch: Testing and Inspection

The horn switch is mounted between the outer and inner covers of the Driver Airbag Module. When the driver airbag module is pressed the horn switch makes contact to ground. The ground signal is carried to the horn relay and horn sounds.

Horn Switch:

1. The horn switch grounds to the airbag housing.
2. If horn does not sound check for corrosion:
- Horn wire
- Horn switch ground connected to airbag metal housing
- Airbag to steering wheel
- Ensure horn wire is properly connected and insulator is in place on wire.