Ignition system
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United States of America Patent
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Aug 16, 2022
Grant Date -
N/A
app pub date -
Dec 14, 2018
filing date -
Dec 14, 2018
priority date (Note) -
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Abstract
Provided is an ignition system including: a main primary coil; a main IC configured to switch a main primary coil mode between an energization mode and a de-energization mode; a sub primary coil; a sub IC configured to switch a sub primary coil mode between an energization mode and a de-energization mode; a secondary coil; a detection unit configured to detect a state of the main primary coil; and a control unit configured to determine whether a state of a sub primary current path is normal or abnormal based on the state of the main primary coil detected by the detection unit, the sub primary current path being a current path of a sub primary current flowing through the sub primary coil.
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