Sea-doo 2003 GTI LE RFI, Shop Manual

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Section 07 ENGINE MANAGEMENT (DI)
Subsection 04 (DIAGNOSTIC PROCEDURES)
SMR2003-025_07_04A.FM
07-04-1
DIAGNOSTIC PROCEDURES 0
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 solutions.
– 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 immediate
monitoring. Refer to the following chart.
SIGNAL CAUSE REMEDY
2 short beeps
(when installing safety
lanyard on watercraft post).
• Safety lanyard is recognized by the MPEM.
• Good contact between safety lanyard cap and
DESS post.
• Ignition is authorized, engine can be started nor-
mally.
1 long beep
(when installing safety
lanyard on watercraft
post or when pressing
start/stop button).
• Bad connection between safety lanyard cap
and post.
• 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 safe-
ty lanyard condition with the programmer. Re-
place safety lanyard if reported defective.
• Salt water or dirt in safety lanyard cap. • Clean safety lanyard cap to remove dirt or salt
water.
1 second beep every
second intervals.
• Engine 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.
A 2 seconds beep every
2 seconds intervals.
• Exhaust system overheat. • Refer to COOLING SYSTEM.
A 2 seconds beep every
minute intervals.
• Fuel tank level is low. • Refill as soon as possible.
• Very low battery voltage. • Refer to CHARGING SYSTEM.
• Coolant and exhaust gas temperature sen-
sors or TPS (throttle position sensor) or CPS
(crankshaft position sensor) malfunction.
• Refer to ENGINE MANAGEMENT.
• MPEM malfunction. • Refer to ENGINE MANAGEMENT.
A 2 seconds beep every
15 minutes intervals.
• Oil injection reservoir level is low. • Refill.
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