Patent ID: 7014518

Claim:
A device for processing self-diagnostic information relating to an operating state of a jet-propulsion personal watercraft including an engine configured to propel the watercraft, the device being mounted in the watercraft, the device comprising: a control unit; a sensor configured to detect the operating state of the watercraft; and a display device equipped in the vicinity of a steering handle attached to the watercraft; wherein the control unit includes: an engine operation determining module configured to make an operation condition determination of whether or not an operation condition of the engine meets a predetermined operation condition; a self-diagnosis module configured to obtain a detected signal from the sensor, to perform self-diagnosis of the operating state of the watercraft based on the obtained detected signal to obtain diagnostic data, and to make an abnormality determination of whether or not an abnormality exists in the diagnostic data; and a self-diagnostic information output module configured to output one or a plurality of diagnostic data to the display device based on a result of the abnormality determination made by the self-diagnosis module and a result of the operation condition determination made by the engine operation determining module; wherein the display device includes a display portion configured to display a plurality of character messages associated with the diagnostic data such that the plurality of character messages are sequentially switched from one to another.