SeaDoo GTI - Page 9

TABLE OF CONTENTS
FUEL SYSTEM...................................................................................................... 335
ELECTRICAL SYSTEM............................................................................................. 336
AMP CONNECTOR PIN-OUT...................................................................................... 337
QUICK FUEL PRESSURE TEST ........................................................................... 337
AIR INDUCTION SYSTEM ................................................................................. 339
THROTTLE BODY .................................................................................................. 339
AIR COMPRESSOR ......................................................................................... 342
PRESSURE TEST................................................................................................... 342
REPAIR.............................................................................................................. 343
FUEL DELIVERY ............................................................................................. 346
FUEL PRESSURE REGULATOR................................................................................... 346
FUEL INJECTOR ................................................................................................... 348
AIR/FUEL RAIL ..................................................................................................... 349
DIRECT INJECTOR................................................................................................. 350
FUEL PUMP ........................................................................................................ 352
FUEL FILTERS ..................................................................................................... 354
ELECTRONIC MANAGEMENT ............................................................................ 357
MPEM REPLACEMENT ........................................................................................... 357
THROTTLE POSITION SENSOR (TPS)............................................................................ 358
CRANKSHAFT POSITION SENSOR (CPS)........................................................................ 360
MANIFOLD AIRTEMPERATURE SENSOR (MATS)............................................................. 362
WATER TEMPERATURE SENSOR (WTS) ........................................................................ 362
MANIFOLD AIR PRESSURE SENSOR (MAPS) .................................................................. 363
EXHAUST GASTEMPERATURE SENSOR (EGTS)............................................................... 364
KNOCK SENSOR (KS).............................................................................................. 364
RAVE SOLENOID................................................................................................... 365
IGNITION COIL..................................................................................................... 366
IGNITION TIMING.................................................................................................. 368
SPARKPLUGS...................................................................................................... 372
CRANKING SYSTEM............................................................................................... 373
DI SYSTEM TEST SUMMARY..................................................................................... 373
03 – DIAGNOSTIC PROCEDURES.............................................................................. 377
GENERAL..................................................................................................... 377
FAULT DETECTION AND COMPENSATORY ACTIONS............................................... 379
COMPONENT FAILURE WARNING SYSTEM.................................................................... 379
VCK (VEHICLE COMMUNICATION KIT) ................................................................. 381
DI SYSTEM FAULT CODES................................................................................ 382
08 ENGINE MANAGEMENT (4-TEC)
01 – OVERVIEW ................................................................................................... 391
COMPLETE ELECTRICAL SYSTEM OVERVIEW ........................................................ 391
MAGNETO SYSTEM AND POWER SUPPLY............................................................ 393
OPERATING PRINCIPLE OF ENGINE MANAGEMENT ................................................ 393
AIR INDUCTION............................................................................................. 393
FUEL DELIVERY SYSTEM.................................................................................. 394
BASIC OPERATION ................................................................................................ 394
FUEL PUMP MODULE ............................................................................................ 396
ELECTRONIC MANAGEMENT ............................................................................ 396
EMS (ENGINE MANAGEMENT SYSTEM)........................................................................ 396
EMS — GENERAL FUNCTIONS .................................................................................. 397
EMS — ENGINE MANAGEMENT FUNCTIONS ................................................................. 399
MPEM — MULTI-PURPOSE ELECTRONIC MODULE .......................................................... 402
VI
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