Diesel Data: Automotive Repair

Inspection and Verification

External Controls
1. Verify the customer concern by operating the system.
2. Visually inspect for obvious signs of mechanical or electrical damage.
3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
4. If the concern is not evident, verify the symptom. GO to Symptom Chart; Refer to Diagnosis By Symptom





Visual Inspection Chart