- do not disconnect the battery (AB) with the engine running;
- before starting work on the fuel system, relieve pressure in it, because. it goes down 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 disconnect and connect (undock / undock) only when the ignition is off;
- monitor the completeness of the battery charging and the reliability of connecting its terminals;
- 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 to temperatures above +60°C;
- when measuring compression in the cylinders, turn off the ECM of the DME system.
The engine power supply complex 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.