- do not disconnect the battery (AB) on a running engine;
- Before starting work on the fuel system, relieve pressure in it. The pressure in the system drops on its own for several hours after the engine is turned off;
- before checking the injection system, check the ignition system;
- plug connections (ShS) ECU-KSUD undock and dock only when the ignition is off;
- monitor the completeness of the battery charging and the reliability of its connection;
- do not use battery chargers to start the engine;
- to quickly charge the battery, you need to remove it from the car;
- do not expose the ECU-KSUD to temperatures above +80°С;
- when measuring compression in the cylinders, turn off the ECU-KSUD (DME).
The engine power system includes a number of systems, the main of which are:
- air supply system;
- fuel supply system;
- integrated engine management system;
- exhaust system (output) exhaust gases.