Bombardier SeaDoo 2001 factory shop manual, Page 263Get this manual
Section 06 ENGINE MANAGEMENT (DI) Subsection 04 (DIAGNOSTIC PROCEDURES)
DESS SYSTEM
Basic Self-Diagnostic Mode
It is self-activated when the safety lanyard cap is being installed on the watercraft postIt gives immediate monitoringSome codes may occur only when pressing the startstop buttonRefer to the following chartSIGNAL short beeps (while installing safety lanyard on watercraft post) long beep (while installing safety lanyard on watercraft post or when pressing startstop button) CAUSE REMEDY
Safety lanyard is recognized Ignition is authorized, engine can be started normallyby the MPEM Good contact between safety lanyard cap and DESS post Bad connection between safe- Remove and replace the safety lanyard on the post ty lanyard cap and postuntil short beeps are heard to indicate the system is ready to allow engine starting Unprogrammed or defective Use the safety lanyard that has been programmed for safety lanyardthe watercraftIf it does not work, check safety lanyard condition with the programmerReplace safety lanyard if reported defectiveIf it still does not work, enable advanced diagnostic mode to obtain more details about the failure Salt water or dirt in safety Clean safety lanyard cap to remove dirt or salt waterlanyard cap Improper operation of MPEM Enable advanced diagnostic mode to obtain more deor defective wiring harnesstail about the failure