Operation CHARM: Car repair manuals for everyone.

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
^ Damaged switch

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

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