Locate and fix vehicle faults with diagnostic systems. In practice this covers independent execution, quality assurance of one's own results, and close alignment with adjacent roles and interfaces.Locate and fix vehicle faults with diagnostic systems. In practice this covers independent execution, quality assurance of one's own results, and close alignment with adjacent roles and interfaces.Locate and fix vehicle faults with diagnostic systems. In practice this covers independent execution, quality assurance of one's own results, and close alignment with adjacent roles and interfaces.