For 1990-2009 cars only
| • | Perform the following inspections if a poor horn tone is evident: |
| - | Ensure that the horn bolts in the mounting area are properly tightened. |
| - | Inspect for poor connections. Correct the poor connections if evident. |
| - | Inspect the ground connections. Correct the poor ground connections if evident. |
| • | Perform the following steps if a low-pitch moan (mooing sound) is evident: |
| - | The current is too high if a low-pitch moan (mooing sound) is evident. |
| - | Do not attempt to adjust the current. Remove the faulty horn assembly and replace it. |
| • | Perform the following inspection if a weak, strained tone is evident: |
| - | Inspect for a foreign object(s) in the horns. |
| - | Remove any foreign object(s) found in the horns. |
| • | Perform the following inspection if a harsh vibration is evident: |
| - | Ensure that the horn is not touching another object. |
| - | Bend or replace the horn bracket, if necessary, so the horn does not touch any other object. |
