Initial Inspection and Diagnostic Overview
Inspection and VerificationWARNING: Before carrying out a road test, make sure the vehicle is safe to do so. Failure to follow this instruction may result in personal injury.
1. Gather as much information from the driver as possible and verify the customer concern by carrying out a road test, as closely as possible reproducing the conditions under which the fault occurs.
2. Visually inspect for obvious signs of mechanical damage.
3. If an obvious cause for an observed or reported condition is found, correct the cause (if possible) before proceeding to the symptom chart.