General
Electronic diesel system (EDS)The EDS control unit processes the following functions:
^ Electronic idle speed control (ELR),
^ Exhaust gas recirculation (EGR),
^ Boost pressure control (P2-control),
^ System diagnostics.
The EDS control unit processes the incoming signals and delivers a milliamp current to the vacuum transducer(s) and to the electromagnetic actuator on the injection pump. The entire system can be tested with an impulse counter i.e. the malfunction memory can be read by means of an output signal to the test connection (X11/4).
Block Diagram, EDS:
