| 摘要 |
PROBLEM TO BE SOLVED: To provide a fault judging apparatus of an internal combustion engine for judging faults more accurately. SOLUTION: When the deviation can possibly be reduced by updating an ISC learning value TAG (S330:NO, AND S340:NO) even if the deviation between an actual rotational speed NE in idle rotational speed control and a target rotational speed NT is a predetermined value or more (S310:YES), fault judgment is suspended. COPYRIGHT: (C)2005,JPO&NCIPI
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