FIELD: transportation engineering; vehicle electrical equipment. SUBSTANCE: in multiple spark ignition system of internal combustion engine automatic heating of spark plugs is provided by supplying high frequency pulses to spark plugs by signal from spark plug temperature transmitter. Control over operation of cilynders is provided by supplying control pulses to spark plugs at 180 degrees change of crankshaft position relative to that for ignition pulses. EFFECT: enhanced reliability of operation. 4 dwg
