Diagrams of vacuum connections and the location of the main elements of control systems are shown in the illustrations for Sections Power supply and fuel injection system of a gasoline engine - general information and Diesel fuel injection system - general information Chapters Power and exhaust systems.
All models, except models other than 8-cylinder, equipped with the M119.97 engine use an electronic direct ignition system without a distributor under the control of the ECM, based on the readings of the camshaft position sensor (CMP).