Operation CHARM: Car repair manuals for everyone.

Initial Inspection and Diagnostic Overview

1. Verify the customer concern by operating the electronic audio system with the engine running and the vehicle in and out of motion.
2. Visually inspect for obvious signs of mechanical and electrical damage; refer to the Visual Inspection Chart.







VISUAL INSPECTION CHART

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