
Cars with engines ZMZ-4061, ZMZ-4063 are equipped with a contactless ignition system with a microprocessor control unit

Checking electrical circuits
To measure electrical parameters, a digital or analog (pointer) tester is used - a voltmeter, ohmmeter and other devices combined in one housing.
If there are noises and knocks in a running engine, you should find out the cause of their occurrence and do not operate the engine until the malfunction is eliminated