Flow of Diagnosis

1. Verify the customer concern by operating the horn.
2. Visually inspect for obvious signs of mechanical and electrical damage.

VISUAL INSPECTION CHART

Mechanical
^ Loose horn(s)

Electrical
^ Damaged horn
^ Blown fuse
^ Damaged wiring harness
^ Loose or corroded connections

3. If a fault is not visually evident, determine the symptom and proceed to Symptom Chart. Symptom Related Diagnostic Procedures