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Section 08 ENGINE MANAGEMENT (4-TEC)

Subsection 01 (OVERVIEW)

MPEM — MULTI-PURPOSE ELECTRONIC MODULE

10A

7.5A

10A

7.5A

10A

7.5A

F18H07T

Depth gauge

(if so equipped)

or spare fuse

TOPS

Cylinder 3

ignition coil

and injection

Information

center

EMS

start/stop circuit

VTS

(optional)

MPEM

Electric starter,

fuel pump

Cylinder 2

ignition coil

and injection

Cylinder 1

ignition coil

and injection

Spare fuse

Power Distribution

The MPEM distributes power from battery to all

accessories and the ECM. Accessories are pro-

tected by fuses integrated in the MPEM. Fuse rat-

ings is identified besides their holder.

IMPORTANT: Some components are continu-

ously powered with the supply from the battery

through MPEM. The ECM switches the ground

to complete the electrical circuits it controls.

Take this into account when troubleshooting the

electrical system. Refer to the illustration at the

beginning of this section.

Gauges Current Supply

When installing the safety lanyard, it activates the

reading of gauges without the engine running. It

will give access to most functions of the informa-

tion center gauge without starting the engine.

Gauges are supplied with current whenever the

safety lanyard cap is installed on its post.

NOTE: The fuel pump will be activated for 2 sec-

onds to build up pressure in the fuel injection sys-

tem, only when connecting the safety lanyard cap

to the post.

Low-Fuel Level Warning Device

When the fuel level in the reservoir is low, the fuel

level sensor transmits a signal to the MPEM. The

MPEM sends out signals to the beeper and to the

information center gauge.

Monitoring System

The ECM monitors the electronic components

of the fuel injection system and also the engine

components of the electrical system. The MPEM

monitors the vehicle electrical system and the

accessories. When a fault occurs, it sends visual

messages through the information center and/or

audible signals through a beeper to inform you of

a particular condition. Refer to the DIAGNOSTIC

PROCEDURES section for the displayed mes-

sages and the beeper coded signals chart.

Addition of Accessories

Every time an accessory is added such as an elec-

tric bilge pump or a VTS for instance, it must be

“registered” usingB.U.D.S.toactivateitinthe

MPEM. Otherwise, the accessory will not work.

Use the Options area in the Setting tab in B.U.D.S.

402 smr2004-Complete Line Up

Seating Capacity	3
Manufacturer	Sea-Doo
Fuel Type	Gasoline
Fuel Capacity	15.9 gallons
Type	Recreational

SeaDoo GTI User Manual

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SeaDoo GTI Specifications

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