| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an evaporated fuel treatment device with which precision of abnormality determination of a lid switch can be enhanced. <P>SOLUTION: An ECU 2 of the evaporated fuel treatment device 1 is activated when an IG switch is off and an opening direction is output from the lid switch 8, determines the increase in the fuel quantity detected by a fuel quantity detection means 21 while the IG switch remains off, obtains the fuel quantity detected by the fuel quantity detection means 21 when the IG switch is turned on and determines that abnormality occurs in the lid switch 8 when the fuel quantity increases for a predetermined amount or more even though there is not determination of the increase in the fuel quantity while the IG switch remains off. <P>COPYRIGHT: (C)2012,JPO&INPIT |
