Automotive Diagnostics Tool

diagnostics
A distinctive symptom or characteristic
A program or routine that helps a user to identify errors
The practice or techniques of diagnosis
(diagnostic) concerned with diagnosis; used for furthering diagnosis; "a diagnostic reading test"
nosology: the branch of medical science dealing with the classification of disease
(diagnostic) characteristic or indicative of a disease; "a diagnostic sign of yellow fever"; "a rash symptomatic of scarlet fever"; "symptomatic of insanity"; "a rise in crime symptomatic of social breakdown"

automotive
of or relating to motor vehicles; "automotive supplies"
Of, relating to, or concerned with motor vehicles
containing within itself the means of propulsion or movement; "a self-propelled vehicle"
The automotive industry designs, develops, manufactures, markets, and sells the world's motor vehicles. The automotive industry is one of the most important economic sectors by revenue.

tool
instrument: the means whereby some act is accomplished; "my greed was the instrument of my destruction"; "science has given us new tools to fight disease"
A device or implement, esp. one held in the hand, used to carry out a particular function
an implement used in the practice of a vocation
A thing used in an occupation or pursuit
A person used or exploited by another
drive; "The convertible tooled down the street"