The control unit is housed in a die-cast aluminum housing and has the following main functions:
- control sequential injection with adaptive lambda regulation;
- set ignition timing with individual cylinder selection for adaptive knock control;
- control adaptive boost control at idle;
- control the fuel tank deaeration system;
- manage your own diagnostics with backup functions in case of failure of any sensor;
- control the immobilizer.
The system of its own diagnostics controls the plausibility of all signals from sensors. Final stages of executive elements (relays, valves, etc.) are equipped with testing devices that, in the event of a violation, (cable break, short circuit, etc.) register the violation in the diagnostic memory of the control unit. Each detected violation is stored in the memory (EEPROM) of the control unit under an individual error code. This code will then be read in the service by a diagnostic tester. This provides the opportunity for targeted detection and elimination of the defect.
The concept of in-house diagnostics even allows the display of measured values. The tester can select various combinations of measured values, which provides the service with the opportunity to get an idea of the care and monitoring of the engine management system in the form of a clear display of measured values. For example, engine speed, temperature, lambda adjustment parameters, knock adjustment parameters, adaptable values for idle speed adjustment and ignition timing can be read.
Integration of the immobilizer into the engine management system provides the ability to lock and unlock functions required for engine operation (fuel pump, injection and ignition).
All system inputs and outputs are short-circuit resistant over a wide range.