Flow of Diagnosis

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

Mechanical
^ Damaged horn.
^ Damaged steering wheel pad horn switch.
^ Damaged horn relay.
^ Damaged speed control servo (if equipped).

Electrical
^ Blown fuse:
- 15A HORN.
^ Damaged wiring harness.
^ Loose or corroded connections.

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