BRP Sea-Doo GTI, GTI RFI диагностика-ремонт системы DESS управления двигателем

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BRP Sea-Doo GTI, GTI RFI диагностика-ремонт системы DESS управления двигателем | Manualzz

Section 12 ELECTRICAL SYSTEM

Subsection 05 (DESS (CARBURETED AND RFI ENGINES))

DESS (CARBURETED AND RFI ENGINES)

NOTE: For DI and 4-TEC models, refer to ENGINE

MANAGEMENT section.

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), safety lanyard cap and 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 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 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. 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 is permanent. If the battery is disconnected, no information is lost.

When ordering a new MPEM from the regular parts channel, the DESS circuitry will be activated.

The MPEM features a self-diagnostic mode. Refer to the chart following.

smr2004-Complete Line Up

Section 12 ELECTRICAL SYSTEM

Subsection 05 (DESS (CARBURETED AND RFI ENGINES))

Self-Diagnostic Mode

It is self-activated when the safety lanyard cap is being installed on the watercraft switch. It gives immediate monitoring. Refer to the following chart.

SIGNAL

2 short beeps (when installing safety lanyard on watercraft post).

CAUSE

• Safety lanyard is recognized by the MPEM.

• Good contact between safety lanyard cap and DESS post.

• Fuel tank level is low.

REMEDY

• Engine can be started normally.

A 2 seconds beep every 5 minute intervals (RFI models)

4 short beeps every 3 seconds interval for 2 hours.

Continuous beep

1 long beep (when installing safety lanyard on watercraft post or when pressing start/stop button).

• Refill.

• Safety lanyard has been left on its post without starting engine or after engine was stopped.

• Engine overheats

• Bad connection between safety lanyard cap.

• Unprogrammed or defective safety lanyard.

• Dried salt water or dirt in safety lanyard cap.

• Defective DESS post.

• Improper operation of MPEM or defective wiring harness.

• To prevent battery discharge, remove the safety lanyard from its post.

• Refer to COOLING SYSTEM.

• 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.

• 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.

• Clean safety lanyard cap to remove dried salt water or dirt .

• Refer to IGNITION SYSTEM for testing.

• Refer to INSTRUMENTS AND

ACCESSORIES or ENGINE

MANAGEMENT (RFI).

610 smr2004-Complete Line Up

2

Section 12 ELECTRICAL SYSTEM

Subsection 05 (DESS (CARBURETED AND RFI ENGINES))

DESS KEY PROGRAMMING

There is two tools available that can be used to communicate with the MPEM in order to program a DESS key.

The VCK (Vehicle Communication Kit) (P/N 529

035 981) is the primary tool.

B.U.D.S., included in the VCK, is designed to allow, among other things, the programming of safety lanyard(s) and entering customer information.

For more information pertaining to the use of the software B.U.D.S., use its help which contains detailed information on its functions.

WARNING

If the computer you are using is connected to the 110 Vac power outlet, there is a potential risk of electrocution when working in contact with water. Be careful not to touch water while working with the VCK.

The MPEM programmer (P/N 529 035 878) is the alternative tool to communicate with the MPEM.

For a complete overview of this tool, refer to the

MPEM Programmer Guide.

Programming Keys with B.U.D.S.

Connect VCK components and open the software

B.U.D.S.

1 2

RFI Models

It is also possible to disconnect the connector shown in the following picture and install the RFI

DESS adapter (P/N 278 001 978).

1

F12H18A

1. Connector to be disconnected

After all connections are done, connect the safety lanyard to the DESS post to activate the communication.

All Models

IMPORTANT: When using the software B.U.D.S., ensure that the protocol matching the connection used is properly selected in “MPI” under

“Choose protocol” as per the following chart.

TYPE OF

CONNECTION

Through DESS post

Through

6-pin DESS connector

(RFI models)

ADAPTER TO

USE

DESS adapter

(P/N 529 035 684)

PROTOCOL

TO CHOOSE

DESS

RFI DESS adapter

(P/N 278 001 978)

Read MPEM using leftmost icon in B.U.D.S.

F12H0BA

1. 6-pin adapter (P/N 529 035 679)

2. DESS adapter (P/N 529 035 684) smr2004-Complete Line Up

Section 12 ELECTRICAL SYSTEM

Subsection 05 (DESS (CARBURETED AND RFI ENGINES))

2 1

F16R01A

1. Select DESS protocol

2. Click Read MPEM

Click on KEYS tab.

Install key on MPI DESS post.

Click on ADD NORMAL KEY button on bottom of screen.

NOTE: The learning key mode is only for DI or

4-TEC models.

F12R1PA

1. Click on this tab

1

A new key is now saved in the computer.

NOTE: To program other key(s), install a new key on MPI DESS post and click again on ADD NOR-

MAL KEY tab.

Ensure to save new data in MPEM using WRITE

MPEM button.

612 smr2004-Complete Line Up

4

Section 12 ELECTRICAL SYSTEM

Subsection 05 (DESS (CARBURETED AND RFI ENGINES))

Programming Keys with the MPEM Programmer

Connect the communication cable of the MPEM programmer to the vehicle DESS post.

The following chart lays out the complete procedure to program a new key.

Step 1

1 . C H E C K K E Y S

> 2 . P R O G R A M K E Y

3 . V E H I C L E I N F O

4 + S T A R T V E H .

Scroll to select PROGRAM KEY item.

Step 2

A N T I S T A R T A C T I V E

N U M B E R O F K E Y S :

1 / 8

P R E S S A N Y K E Y. . .

PGMR indicates quantity of programmed keys on a possible total of 8.

Step 3

> 1 . A D D K E Y S

2 . E R A S E K E Y S

3 . S A V E + Q U I T

Scroll to select ADD KEYS item.

Step 4

P L U G K E Y

N O 2 / 8

T O E N D :

P R E S S A N Y K E Y. . .

PGMR indicates to plug a new key.

NOTE: After each key entry a new number appears

(2 / 8, 3 / 8 ...)

Step 5

K E Y O K

A00A58S

U N P L U G K E Y. . .

The 2 beep sound indicates that key electronic number has been transferred to vehicle MPEM.

Unplug KEY.

S A V E + Q U I T

Step 6

1 . A D D K E Y S

2 . E R A S E K E Y S

> 3 . S A V E + Q U I T

Scroll to select SAVE + QUIT item.

Step 7

S A V E

M O D I F I C A T I O N S ?

Y E S N O

Scroll to select YES.

PGMR transfers information to the vehicle.

Step 8

O P E R A T I O N

S U C C E S S F U L L

P R E S S A N Y K E Y. . .

Press or any key.

Step 9

I F T E R M I N A T E D

Y O U C A N U N P L U G

P R E S S A N Y K E Y. . .

Press or any key to return to the main menu.

smr2004-Complete Line Up

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