Apparatus for monitoring operational status and diagnosis of electronic vehicle wheel alignment equipment

摘要

Apparatus utilizing solid state electronic components embodying circuit varifying means in the form of lights which provide a quick indication of the operability of important circuits contained in the electronic vehicle wheel alignment equipment, and indicate which of several circuits is functional, so that service persons operating the alignment apparatus are able, upon visual inspection of the console panel, to determine whether the instruments on the vehicle are functioning properly to produce the needed alignment information.