Section 07 ELECTRICAL SYSTEM
Subsection 05 (DIGITALLY ENCODED SECURITY SYSTEM (DESS))
DIGITALLY ENCODED SECURITY
SYSTEM (DESS)
SERVICE TOOLS
Description
Part Number
Page
GENERAL
The Digitally Encoded Security System (DESS) features an anti-start protection against unauthorized use
of the watercraft.
The following components are specially designed for this system:
– Multi-Purpose Electronic Module (MPEM) on
717 engines
equipped models
– Engine Control Module (ECM) on
787 RFI engines
equipped models
– safety lanyard cap
– safety lanyard switch.
The safety lanyard cap has a magnet and a ROM chip. The chip has a unique digital code.
The DESS circuitry in the watercraft MPEM/ECM is activated at the factory. Therefore, a safety lanyard
must be programmed to start the engine.
NOTE:
Actually, it is the memory of the MPEM/ECM which is programmed to recognize the digital code
of the safety lanyard cap.
The system is quite flexible. Up to eight safety lanyards may be programmed in the memory of the
watercraft MPEM/ECM. They can also be erased.
NOTE:
If desired, a safety lanyard can be used on other watercraft equipped with the DESS.
The memory of the MPEM/ECM is permanent. If the battery is disconnected, no information is lost.
When ordering a new MPEM/ECM from the regular parts channel, the DESS circuitry will be activated.
The MPEM/ECM features a self-diagnostic mode. Refer to the chart following.
smr2005-072
213
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Summary of Contents for 105A
Page 1: ...C M Y CM MY CY CMY K www SeaDooManuals net ...
Page 2: ...2005 Vehicle Shop Manual 2 Stroke Models www SeaDooManuals net ...
Page 383: ...NOTES www SeaDooManuals net ...
Page 384: ...NOTES www SeaDooManuals net ...
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Page 386: ...NOTES www SeaDooManuals net ...
Page 387: ...smr2005 071 100_aen 2005 3 D MODEL www SeaDooManuals net ...
Page 388: ...smr2005 071 101_aen 2005 GTI MODEL www SeaDooManuals net ...
Page 389: ...smr2005 071 102_aen 2005 GTI RFI MODEL www SeaDooManuals net ...
Page 390: ...smr2005 071 103_aen 2005 GTI LE RFI MODEL www SeaDooManuals net ...