Section 07 ENGINE MANAGEMENT (DI)
Subsection 03 (DIAGNOSTIC PROCEDURES)
DIAGNOSTIC PROCEDURES
GENERAL
Here is the basic order suggested to diagnose a suspected fuel injection related problem:
– Check the chart in TROUBLESHOOTING section to have an overview of problems and suggested so-
lutions.
– Check if there is a MAINT signal reported by the vehicle information center. If so, use the VCK (Vehicle
Communication Kit) and look for fault codes to diagnose the trouble.
– Check all fuses.
– Check air/fuel rail pressure.
– Check spark plugs condition.
– Check if the RAVE valves are stuck.
– Check fuel pump pressure.
– Check air compressor pressure.
Self-Diagnostic Mode
It is self-activated when the safety lanyard cap is being installed on the watercraft post. It gives immedi-
ate monitoring. Refer to the following chart.
SIGNAL CAUSE REMEDY
• Safety lanyard is recognized by the
MPEM.
• Engine can be started normally.2 short beeps
(when
installing safety lanyard
on watercraft post).
• Good contact between safety lanyard
cap and DESS post.
• Bad connection between safety
lanyard cap.
• Remove and replace the safety lanyard on
the post until 2 short beeps are heard to
indicate the system is ready to allow engine
starting.
• Unprogrammed or defective safety
lanyard.
• Use the safety lanyard that has been
programmed for the watercraft. If it does
not work, check safety lanyard condition
with the programmer. Replace safety
lanyard if reported defective.
• Dried salt water or dirt in safety
lanyard cap.
• Clean safety lanyard cap to remove dried
salt water or dirt.
1 long beep
(when
installing safety lanyard
on watercraft post
or when pressing
start/stop button).
• Improper operation of MPEM or
defective wiring harness.
• Refer to ENGINE MANAGEMENT.
1 second beep
every
second intervals.
• Drowned mode is active. • Release throttle to cancel this mode.
4 short beeps
every 3
seconds interval for 2
hours.
• Safety lanyard has been left on its
post without starting engine or after
engine was stopped.
• To prevent battery discharge, remove the
safety lanyard from its post.
smr2004-Complete Line Up 377
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