PURPOSE: To ensure a start in a severely cold climate by using as many open signals as possible with an utmost possible size to just open affiliated injection valves practically for multiplex controls.
CONSTITUTION: When an ignition lock 15 is operated, a clock generator 13 reports that a fuel should be delivered to start an engine 10 to an injection valve control device 14. The injection valve control device 14 evaluates whether the signal obtained from an engine temperature sensor 12 is below a temperature threshold value or not. When the signal is below the threshold value, the whole injection duration is split into multiple relatively short injection periods by the affiliated open signal. When there is an additional usable time in the operation cycle, an additional short open signal is outputted. The magnetic coil of an injection valve 11 is heated by the open signal to prevent the freezing of a valve seat section, thereby an internal combustion engine can be reliably started even in a severely cold climate.
KAARUHAINTSU RIIDERU
KURISUCHIYAN TSUINMAAMAN
