Important: Review the system operation in order to familiarize yourself with the
system functions. Refer to
Horns Description
and
Horns Circuit Description
.
Visual/Physical Inspection
| • | Inspect the easily accessible or visible system components for
obvious damage or conditions which could cause the symptom. It is possible
that both horns are defective causing an inoperative horn system. |
| • | Perform the following if the horns buzz or have a harsh tone: |
| - | Inspect for debris in the joint where the horns fasten to the
vehicle. |
| - | Test the torque of the horn mounting hardware. The horn mounting
hardware should be tightened to a torque of 10 N·m (7 lb ft). |
Intermittent
Faulty electrical connections or wiring may be the cause of intermittent
conditions. Refer to
Testing for Intermittent Conditions and Poor Connections
in Wiring Systems.
Symptom List
Refer to a symptom diagnostic procedure from the following list in order
to diagnose the symptom:
