: The diagrams are directly linked to diagnostic fault codes; if a sensor reports an error, the TIS can pull up the exact schematic for that circuit to help trace the fault. Comprehensive Coverage
For the period, the TIS was primarily delivered via DVD-ROM or dedicated dealer portals. It was designed to bridge the gap between mechanical hardware and the increasingly complex electronic control units (ECUs) being introduced at the time. Key Components of the TIS: : The diagrams are directly linked to diagnostic
Imagine you have a 2012 Chevrolet Cruze 2.0D on your lift. The customer complains of a P2002 code (DPF efficiency below threshold). You have no dealer software. Here is how Version 18 helps: if a sensor reports an error