| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a warning light diagnostic device having improved salability by matching the timing of switching off the warning lights of a plurality of systems which are switched on for the diagnosis. <P>SOLUTION: The warning light diagnostic device 1 includes: a warning light display part 2 having the warning light 21 of each system and a warning light control means 22; and a light on-off request means 31, and diagnoses whether the warning light is normally switched-on or not, by switching on the warning light according to the ignition-on. The warning light control means 22 of the warning light display part 2 is constituted in such a way that: the warning light 21 already switched-on is switched-off under the condition that the switch-off request signal output from the switch-off request means 31 of each system 3 has been received; and the warning lights 21 of the plurality of the system3 are simultaneously switched-off in the point of time of receiving the switch-off request signal of the light on-off request means 31 of a switch-off request latest system 3(3a) in which the time when the switch-off request signal is output from the light on-off request means 31 is the latest in the plurality of the system 3. <P>COPYRIGHT: (C)2012,JPO&INPIT |
