| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a warning device capable of detecting an abnormality of oil discharge pressure and giving warning by an abnormality means even if a variable period of the oil discharge pressure increases. <P>SOLUTION: A warning device 4 includes an ECU 43 which outputs an abnormality signal to a warning lamp 45 under the conditions that: after oil reserved in an oil pan 30 is supplied to a supply target portion of an engine 2 by an oil pump 32 until the oil is recovered to the oil pan 30, a period is defined as an oil circulation period; when a pressure value of the oil discharge pressure is equal to or lower than a predetermined value within each oil circulation period that is temporally continuous, a time is integrated; and the integrated value reaches a determination value or more. <P>COPYRIGHT: (C)2013,JPO&INPIT |
