The Isuzu ® Diagnostic Service System (IDSS) package combines service manuals, electronic troubleshooting manuals, labor time manuals and technical service bulletins to provide technicians with the critical diagnostic information they need to accurately identify and solve engine performance problems for Isuzu® vehicles from 1996. Clear explanations help technicians diagnose second generation on-board diagnostic (OBD-II) systems. When used with the Isuzu® Powerlink2 diagnostics, or the Tech 2 scan tool, Isuzu® service manuals allow diagnosticians to understand functions of components and systems.