| 摘要 |
The internal-combustion-engine ignition diagnosis apparatus is configured in such a way that the first duration setting unit sets the first detection duration in a predetermined duration including a time instant when the spark discharge is generated, the second duration setting unit sets the second detection duration after the first detection duration, the diagnosis unit determines normality of the spark discharge, based on a signal state in the second detection duration, and regardless of the signal state in the second detection duration, determines abnormality of the spark discharge, based on a signal state in the first detection duration.
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