Inspection and Verification

Verify the customer concern by operating the system.
Visually inspect for obvious signs of mechanical damage.

Fig 1: Visual Inspection Chart
Courtesy of FORD MOTOR CO.
If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
If the fault is not visually evident, verify the symptom and refer to the SYMPTOM CHART .