Initial Inspection and Diagnostic Overview

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

VISUAL INSPECTION CHART

Mechanical
^ Damaged horns

Electrical
^ Power distribution box fuse 5 (20A)
^ Damaged wiring harness
^ Loose or corroded connections

3. If the fault is not visually evident, determine the symptom Symptom Related Diagnostic Procedures