
Schemes of ZMZ-405 engine control systems may differ depending on which mass air flow sensor is installed
Three types of sensors can be installed on the vehicle:

Checking electrical circuits
To measure electrical parameters, a digital or analog (arrow) tester is used - a voltmeter, ohmmeter and other devices combined in one housing

Ignition coils are designed to generate high voltage electric current to ignite the working mixture in the engine cylinders

The causes of malfunction of the master brake cylinder are wear or loss of elasticity of the cuffs, wear of the working surfaces of the cylinder and pistons, swelling of the cuffs from mineral oils entering the system, clogging of the compensation holes