Error diagnosis system for vehicles, has CPU that reads out test step data corresponding to input of certain error function from memory, and outputs to monitor and printer

摘要

A memory (2) stores test step data describing the inspection steps to be performed in each case for various error functions of a vehicle. A certain error function of the vehicle is input via a keyboard (3). A CPU (1) reads out the test step data corresponding to the input certain error function from the memory, and outputs to the monitor (4) and printer (5).