Ski-Doo Ski Doo MX Z 2005 [859/1429] Table of contents

Ski-Doo Ski Doo MX Z 2005 [859/1429] Table of contents
TABLE OF CONTENTS
IGNITION TIMING.................................................................................................. 295
ENGINE START/RER BUTTON VERIFICATION .................................................................. 295
DESS SWITCHVERIFICATION.................................................................................... 295
SPARKPLUGS...................................................................................................... 295
CRANKING SYSTEM............................................................................................... 296
06 ENGINE MANAGEMENT (4-TEC)
01 OVERVIEW ................................................................................................... 297
OPERATING PRINCIPLE OF ENGINE MANAGEMENT ............................................... 298
AIR INDUCTION ............................................................................................ 298
FUEL DELIVERY SYSTEM ................................................................................. 298
BASIC OPERATION ................................................................................................ 298
INTAKEMANIFOLD................................................................................................ 299
FUEL PUMP MODULE ............................................................................................ 299
ELECTRONIC MANAGEMENT ........................................................................... 300
EMS (ENGINE MANAGEMENT SYSTEM) ....................................................................... 300
ECM................................................................................................................. 300
EMS GENERAL FUNCTIONS .................................................................................. 300
EMS ENGINE MANAGEMENT FUNCTIONS ................................................................. 302
02 DIAGNOSTIC PROCEDURE................................................................................ 305
GENERAL........................................................................................................... 305
MONITORING BEEPER CODED SIGNALS .............................................................. 306
VCK (VEHICLE COMMUNICATION KIT) ......................................................................... 306
4-TEC SYSTEM FAULT CODES ................................................................................... 307
4-TEC TPS FAULTTABLES ........................................................................................ 308
03 COMPONENT INSPECTION AND ADJUSTMENT ..................................................... 311
GENERAL........................................................................................................... 311
FUEL SYSTEM...................................................................................................... 311
ELECTRICAL SYSTEM............................................................................................. 312
ENGINE CONNECTOR PIN-OUTS ................................................................................ 314
CONNECTORS ONENGINE....................................................................................... 314
AIR INDUCTION SYSTEM ................................................................................. 315
THROTTLE BODY .................................................................................................. 315
FUEL DELIVERY ............................................................................................. 318
FUEL PUMP ........................................................................................................ 319
FUEL RAILS......................................................................................................... 323
FUEL INJECTORS.................................................................................................. 324
ELECTRONIC MANAGEMENT ............................................................................ 325
ECM REPLACEMENT.............................................................................................. 325
ENGINE WIRING HARNESS....................................................................................... 326
THROTTLE POSITION SENSOR (TPS)............................................................................ 328
IDLE BYPASSVALVE............................................................................................... 330
CRANKSHAFT POSITION SENSOR (CPS)........................................................................ 331
CAMSHAFT POSITION SENSOR (CAPS)......................................................................... 332
AIR TEMPERATURE SENSOR (ATS).............................................................................. 334
COOLANT TEMPERATURE SENSOR(CTS)...................................................................... 335
MANIFOLD AIR PRESSURE SENSOR (MAPS) .................................................................. 335
OIL PRESSURE SWITCH (OPS)................................................................................... 336
IGNITION COILS ................................................................................................... 337
ENGINE START SWITCHVERIFICATION......................................................................... 338
DESS SWITCHVERIFICATION.................................................................................... 339
SPARKPLUGS...................................................................................................... 339
VII

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