TABLE OF CONTENTS
SAFETY NOTICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IX
INTRODUCTION ......................................................................................................... X
VEHICLE INFORMATION ........................................................................................... .. X
ENGINE EMISSIONS INFORMATION ............................................................................. XII
MANUAL INFORMATION .......................................................................................... XIII
FASTENER INFORMATION ....................................................................................... XVII
01 MAINTENANCE
01 - BREAK-IN INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
02- PERIODIC MAINTENANCE SCHEDULE ....................................................................... 9
03 - PERIODIC MAINTENANCE PROCEDURES ................................................................. 11
GENERAL .................................................................................................... 11
PROCEDURES .................................... . .......................................................... 11
ENGINE (AIR INTAKE SYSTEM) .. .. .. .. .. . .. .. .. .. .. .. .. .. . .. . .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. 11
ENGINE (EXHAUST SYSTEM) .......................................................................... .. 12
ENGINE (LUBRICATION SYSTEM) ........................................................................ 13
ENGINE (COOLING SYSTEM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
ENGINE (TOP END) ....................................................................................... 21
CONTINUOUSLY VARIABLE TRANSMISSION (CVT) ............................................... .... .. 21
GEARBOX ................................................................................................. 22
FUEL SYSTEM ............................................................................................ 24
ELECTRICAL SYSTEM .................................................................................... 25
DRIVE SYSTEM ........................................................................................... 25
CHASSIS (WHEELS AND TIRES) ......................................................................... 27
CHASSIS (STEERING SYSTEM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
CHASSIS (SUSPENSION) ................................................................................. 28
CHASSIS (BRAKES) ....................................................................................... 30
CHASSIS (PASSENGER HANDHOLDS) ................................................................... 31
CHASSIS (TOW HITCH) ........................................................................ . .......... 32
04- STORAGE PROCEDURE ....................................................................................... 33
GENERAL .................................................................................................... 33
PROCEDURES ............................................................................................... 33
FUEL SYSTEM ............................................................................................ 33
ENGINE ................................................................................... . ........... . ... 33
ELECTRICAL SYSTEM ......................................................................... . .......... 34
DRIVE SYSTEM ........................................................................................... 34
CHASSIS . .................................................................................... . ............ 34
05 - PRESEASON PREPARATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
06- SPECIAL PROCEDURES ....................................................................................... 37
GENERAL .................................................................................................... 37
ROLLED OVER VEHICLE ................................................................................. 37
SUBMERGED VEHICLE ................................................................................... 37
02 ENGINE, CVT AND GEARBOX
01 -ENGINE REMOVAL AND INSTALLATION .................................................................. 39
PROCEDURES ............................................................................................... 40
ENGINE REMOVAL ....................................................................................... 40
ENGINE INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
ENGINE MOUNTS ............................................ . ........................................... 42
02- AIR INTAKE SYSTEM .......................................................................................... 43
GENERAL .................................................................................................... 45
PROCEDURES ............................................................................................... 45
AIR FILTER ................................................................................................ 45
AIR FILTER HOUSING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
TABLE OF CONTENTS
02 ENGINE, CVT AND GEARBOX (cont'd)
II
03- EXHAUST SYSTEM ............................................................................................ 47
GENERAL .................................................................................................... 48
PROCEDURES ............................................................................................... 48
SPARK ARRESTER ................................................................................ . ....... 48
MUFFLER ................................................................................................. 48
"Y" EXHAUST PIPE ....................................................................................... 48
HEAD PIPE (FRONT CYLINDER) .......................................................................... 49
HEAD PIPE (REAR CYLINDER) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
04 - LUBRICATION SYSTEM ....................................................................................... 51
INSPECTION ................................................................................................. 54
ENGINE OIL PRESSURE .................................................................................. 54
TROUBLESHOOTING ...................................................................................... 54
PROCEDURES ............................................................................................... 55
OIL COOLER .............................................................................................. 55
OIL PRESSURE SWITCH (OPS) ........................................................................... 55
ENGINE OIL PRESSURE REGULATOR ................................................................... 56
OIL PUMP ................................................................................................ 57
ENGINE OIL STRAINER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
REED VALVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
05- COOLING SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
GENERAL .................................................................................................... 66
PROCEDURES ........................................................................... . ....... . ........... 66
THERMOSTAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
RADIATOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
COOLANT TEMPERATURE SENSOR (CTS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
RADIATOR COOLING FAN RELAY (R1 ). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
RADIATOR COOLING FAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
WATER PUMP HOUSING ................................................................................. 71
WATER PUMP IMPELLER ................................................................................ 72
WATER PUMP SHAFT AND SEALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
WATER PUMP GEARS .................................................................................... 79
06 - MAGNETO SYSTEM ........................................................................................... 83
PROCEDURES ............................................................................................... 85
MAGNETO COVER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
STATOR ............................................................................ . ...................... 86
ROTOR .................................................................................................... 88
SPRAG CLUTCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
SPRAG CLUTCH GEAR ................................................................................... 90
STARTER DRIVE GEARS .................................................................................. 91
07 - INTAKE MANIFOLD ............................................................................................ 93
PROCEDURES ............................................................................................... 94
PLENUM BRACKET ....................................................................................... 94
INTAKE MANIFOLD ..................... ... ............................................................... 94
08- TOP END ......................................................................................................... 97
GENERAL ................................................................................................... 101
INSPECTION ................................................................................................ 101
LEAK TEST ............................................................................................... 101
PROCEDURES .............................................................................................. 104
VALVE COVER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
ROCKER ARM ........................................................................................... 104
CAMSHAFT .............................................................................................. 107
CYLINDER HEAD ........................................................................................ 109
VALVE SPRINGS ......................................................................................... 112
VALVES ................................................................................................... 113
02 ENGINE, CVT AND GEARBOX (cont'd)
08 - TOP END (cont' d)
PROCEDURES (cont'd)
TABLE OF CONTENTS
VALVE GUIDES ........................................................................................... 115
CYLINDER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
PISTON .................................................................................................. 118
PISTON RINGS ........................................................................................... 122
09 - TIMING CHAIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
GENERAL ................................................................................................... 127
TROUBLESHOOTING ..................................................................................... 127
PROCEDURES .............................................................................................. 127
TIMING CHAIN TENSIONERS ........................................................................... 127
CAMSHAFT TIMING GEARS ............................................................................ 129
TIMING CHAIN ........................................................................................... 133
TIMING CHAIN GUIDE (TENSIONER SIDE) ................. . ........................................... 135
10- BOTTOM END ................................................................................................. 137
GENERAL ................................................................................................... 141
PROCEDURES .............................................................................. . ............... 141
ENGINE DRIVE SHAFT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
FRONT OIL SEAL (ENGINE DRIVE SHAFT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
REAR OIL SEAL (ENGINE DRIVE SHAFT) ............................................................... 143
PTO COVER OIL SEAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
PTO COVER .............................................................................................. 145
DRIVE GEARS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
CRANKCASE ............................................................................................. 149
CRANKSHAFT ........................................................................................ . ... 153
11- CONTINUOUSLY VARIABLE TRANSMISSION (CVT) ................................................... 161
GENERAL ................................................................................................... 164
PROCEDURES .............................................................................................. 164
CVT COVER .............................................................................................. 164
DRIVE BELT .............................................................................................. 165
DRIVE PULLEY ........................................................................................... 165
DRIVEN PULLEY ......................................................................................... 173
CVT AIR GUIDE ................................................................................ . ......... 180
12- GEARBOX AND 4X4 COUPLING UNIT .................................................................... 183
GENERAL ................................................................................................... 185
GEARBOX OVERVIEW ................................................................................... 185
TROUBLESHOOTING ..................................................................................... 185
PROCEDURES ..................................................................................... . ........ 185
VSS (VEHICLE SPEED SENSOR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
GBPS (GEARBOX POSITION SENSOR) ................................................................. 187
4WD INDICATOR SWITCH .............................................................................. 189
ACTUATOR .............................................................................................. 190
GEARBOX OIL SEALS ................................................................................... 191
GEARBOX ................................................................................................ 193
13- SHIFTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
PROCEDURES .............................................................................................. 210
SHIFT LEVER ............................................................................................ 210
SHIFTER CABLE ......................................................................................... 211
SHIFT PLATE ............................................................................................. 212
03 ELECTRONIC MANAGEMENT SYSTEM
01- ENGINE MANAGEMENT SYSTEM (EMS) ................................................................ 215
GENERAL ................................................................................................... 216
SYSTEM DESCRIPTION ................................................................................. 216
Ill
TABLE OF CONTENTS
03 ELECTRONIC MANAGEMENT SYSTEM (cont'd)
02 - CONTROLLER AREA NETWORK (CAN} . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
GENERAL ................................................................................................... 219
SYSTEM DESCRIPTION ................................................................................. 219
03- COMMUNICATION TOOLS AND B.U.D.S ................................................................. 221
GENERAL ................................................................................................... 221
TROUBLESHOOTING ..................................................................................... 221
DIAGNOSTIC TIPS ....................................................................................... 221
PROCEDURES .............................................................................................. 222
MPI-2 ..................................................................................................... 222
B.U.D.S. SOFTWARE .................................................................................... 223
04- DIAGNOSTIC SYSTEM AND FAULT CODES ............................................................. 227
GENERAL ................................................................................................... 227
MONITORING SYSTEM ................................................................................. 227
FAULT CODES ........................................................................................... 228
FAULT CODE DIAGNOSTIC .............................................................................. 233
SPECIFIC FAULTS ........................................................................................ 237
04 FUEL SYSTEM
IV
01 - INTELLIGENT THROTTLE CONTROL (iTC} ................................................................ 239
GENERAL ................................................................................................... 239
SYSTEM DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
SYSTEM MAIN FEATURES .............................................................................. 239
SYSTEM OTHER FEATURES ............................................................................ 239
PROCEDURES .............................................................................................. 240
SPORT/NORMAL SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
SEAT BELT SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
OVERRIDE SWITCH ..................................................................................... 240
THROTTLE ACCELERATOR SENSOR (TAS) ............................................................. 240
02- ELECTRONIC FUEL INJECTION (EFI} . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243
GENERAL ................................................................................................... 243
SYSTEM DESCRIPTION ................................................................................. 243
ADJUSTMENT ............................................................................................. 244
IDLE SPEED .. . .......................................................................................... 244
TROUBLESHOOTING ..................................................................................... 245
DIAGNOSTIC TIPS ....................................................................................... 245
PROCEDURES .............................................................................................. 245
ENGINE CONTROL MODULE (ECM) .................................................................... 245
FUEL INJECTOR ......................................................................................... 251
FUEL RAIL ............................................................................................... 255
THROTTLE BODY ........................................................................................ 256
THROTTLE POSITION SENSOR (TPS) ................................................................... 258
CRANKSHAFT POSITION SENSOR (CPS) ............................................................... 260
MANIFOLD AIR PRESSURE AND TEMPERATURE SENSOR (MAPTS) ................................. 261
CTS (COOLANT TEMPERATURE SENSOR) ............................................................. 264
03- FUEL TANK AND FUEL PUMP .............................................................................. 267
GENERAL ................................................................................................... 269
SYSTEM DESCRIPTION ................................................................................. 269
INSPECTION ................................................................................................ 270
FUEL TANK LEAK TEST .................................................................................. 270
FUEL PUMP PRESSURE TEST .......................................................................... 270
TROUBLESHOOTING ............ . ........................................................................ 273
FUEL SYSTEM DIAGNOSTIC FLOW CHART ............................................................ 273
PROCEDURES .............................................................................................. 274
FUEL HOSE AND OETIKER CLAMPS ................................................................... 274
TABLE OF CONTENTS
04 FUEL SYSTEM (cont'd)
03 - FUEL TANK AND FUEL PUMP (cont' d)
PROCEDURES (cont'd)
FUEL TANK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274
FUEL PUMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276
FUEL LEVEL SENDER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
FUEL TANK VENT VALVE ................................................................................ 281
05 ELECTRICAL SYSTEM
01 -POWER DISTRIBUTION AND GROUNDS ................................................................. 283
GENERAL ................................................................................................... 283
POWER DISTRIBUTION DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283
FUSE BOX 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284
FUSE BOX 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284
GROUND ................................................................................................. 284
02 - WIRING HARNESSES AND CONNECTORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285
GENERAL ................................................................................................... 285
WIRING HARNESS AND SPLICE LOCATION ............................................................ 285
PROCEDURES .............................................................................................. 285
DEUTSCH CONNECTORS ............................................................................... 285
PACKARD CONNECTORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287
PACKARD CONNECTOR (MULTIFUNCTION GAUGE) ................................................... 288
MOLEX CONNECTOR ................................................................................... 289
FURUKAWA CONNECTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292
BATTERY AND STARTER CABLE TERMINALS .......................................................... 293
03 - IGNITION SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295
GENERAL ................................................................................................... 295
SYSTEM DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295
TROUBLESHOOTING ..................................................................................... 295
DIAGNOSTIC GUIDELINES .............................................................................. 295
PROCEDURES .............................................................................................. 295
IGNITION SWITCH ....................................................................................... 295
IGNITION COIL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 296
SPARK PLUG ............................................................................................. 297
04 - CHARGING SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
GENERAL ................................................................................................... 299
SYSTEM DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
INSPECTION ................................................................................................ 299
CHARGING SYSTEM OUTPUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
TROUBLESHOOTING ..................................................................................... 300
PROCEDURES .............................................................................................. 300
VOLTAGE REGULATOR/RECTIFIER ..................................................................... 300
BATTERY ................................................................................................. 300
05- STARTING SYSTEM .......................................................................................... 303
GENERAL ................................................................................................... 303
SYSTEM DESCRIPTION ................................................................................. 303
TROUBLESHOOTING ..................................................................................... 303
DIAGNOSTIC GUIDELINES .............................................................................. 303
PROCEDURES .............................................................................................. 304
D2 DIODE (STARTER SOLENOID) ....................................................................... 304
START BUTTON .......................................................................................... 304
STARTER SOLENOID .................................................................................... 305
ELECTRIC STARTER ..................................................................................... 306
v
TABLE OF CONTENTS
05 ELECTRICAL SYSTEM (cont'd)
06- DIGITALLY ENCODED SECURITY SYSTEM (D.E.S.S.) .................................................. 309
GENERAL ................................................................................................... 309
SYSTEM DESCRIPTION ................................................................................. 309
TROUBLESHOOTING ..................................................................................... 309
DIAGNOSTIC TIPS .......................................................................... . ............ 309
PROCEDURES .............................................................................................. 309
KEY PROGRAMMING ................................................................................... 309
07 - LIGHTS, GAUGE AND ACCESSORIES ................................................................ . .... 311
GENERAL ................................................................................................... 311
TROUBLESHOOTING ..................................................................................... 311
DIAGNOSTIC TIPS ....................................................................................... 311
PROCEDURES .............................................................................................. 311
CONSOLE SWITCHES ................................................................................... 311
MULTIFUNCTION GAUGE (LCD AND ANALOG/DIGITAL) ............................................... 312
12 VOLT POWER OUTLET ............................................................................... 315
HEADLIGHTS ............................................................................................ 315
TAILLIGHTS/BRAKE LIGHTS ............................................................................. 317
WINCH ......................................................... . ......... . ............................... 318
TURN SIGNALS/HAZARD(EC MODELS ONLY) .......................................................... 319
HORN (EC MODELS ONLY) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320
06 DRIVE SYSTEM
01 - FRONT DRIVE .................................................................. ... ............................. 321
GENERAL ................................................................................................... 324
SYSTEM DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
PROCEDURES .............................................................................................. 324
WHEEL HUB ...................................................................... . .......... . ........... 324
FRONT DRIVE SHAFT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
DRIVE SHAFT BOOT ..................................................................................... 325
FRONT DIFFERENTIAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325
FRONT PROPELLER SHAFT ........................ . .............................. . ..................... 329
PROPELLER SHAFT U-JOINTS .................................................................. . ....... 330
02 - REAR DRIVE .................................................................................................... 333
PROCEDURES .............................................................................................. 336
WHEEL HUB ....................................................................................... . ..... 336
DRIVE SHAFT ............................................................. . .............................. 337
DRIVE SHAFT BOOT ..................................................................................... 337
PROPELLER SHAFT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 338
PROPELLER SHAFT U-JOINTS .......................................................................... 338
REAR FINAL DRIVE ...................................................................................... 340
07 CHASSIS
01 -WHEELS AND TIRES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345
PROCEDURES .............................................................................................. 345
TIRES .................................................................................................... 345
WHEELS .............................................................................................. ... 347
02 - STEERING SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349
GENERAL ................................................................................................... 351
ADJUSTMENT ............................................................................................. 351
DPS TORQUE OFFSET RESET .......................................................................... 351
STEERING ALIGNMENT ........................................................ . .......... . ............. 351
TROUBLESHOOTING ..................................................................................... 353
DIAGNOSTIC TIPS ....................................................................................... 353
VI
TABLE OF CONTENTS
07 CHASSIS (cont' d)
02 - STEERING SYSTEM (cont' d)
PROCEDURES .............................................................................................. 353
STEERING WHEEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 353
STEERING COLUMN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 353
RACK AND PINION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 355
TIE-ROD ENDS ........................................................................................... 357
KNUCKLES ............................................................................................... 357
WHEEL BEARINGS ...................................................................................... 358
03- DYNAMIC POWER STEERING (DPS) ...................................................................... 359
GENERAL ................................................................................................... 361
SYSTEM DESCRIPTION (FEATURES) .................................................................... 361
SYSTEM DESCRIPTION (COMPONENTS) ............................................................... 361
ADJUSTMENT ............................................................................................. 362
TORQUE OFFSET RESET ................................................................................ 362
TROUBLESHOOTING ..................................................................................... 363
PROCEDURES .............................................................................................. 364
DPS UNIT ................................................................................................ 364
DPS COUPLER ........................................................................................... 372
04 - FRONT SUSPENSION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 375
GENERAL ................................................................................................... 376
PROCEDURES .............................................................................................. 376
SHOCK ABSORBER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 376
SHOCK ABSORBER BUSHINGS ......................................................................... 377
SPRINGS ................................................................................................. 377
LOWER SUSPENSION ARM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 377
UPPER SUSPENSION ARM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 377
SUSPENSION ARM BUSHINGS ......................................................................... 379
BALL JOINTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 379
05- REAR SUSPENSION .......................................................................................... 381
GENERAL ................................................................................................... 382
PROCEDURES .............................................................................................. 382
SHOCK ABSORBERS .................................................................................... 382
SHOCK ABSORBER BUSHINGS ......................................................................... 383
SPRINGS ................................................................................................. 383
ANTI-SWAY BAR ......................................................................................... 384
TRAILING ARM .......................................................................................... 384
06- AIR CONTROLLED SUSPENSION (ACS) .................................................................. 387
GENERAL ................................................................................................... 390
SYSTEM DESCRIPTION (OPERATION) .................................................................. 390
SYSTEM DESCRIPTION (FEATURES) .................................................................... 394
SYSTEM DESCRIPTION (COMPONENTS) ............................................................... 394
TROUBLESHOOTING ..................................................................................... 396
DIAGNOSTIC TIPS ....................................................................................... 396
TROUBLESHOOTING GUIDELINES ..................................................................... 396
TROUBLESHOOTING WITH B.U.D.S .................................................................... 397
PROCEDURES .............................................................................................. 398
PNEUMATIC HOSE ...................................................................................... 398
ACS RELEASE VALVE .................................................................................... 399
ACS SOLENOID VALVE .................................................................................. 400
SUSPENSION CONTROL MODULE (SCM) .............................................................. 402
ACS RELAY (R5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 405
ACS COMPRESSOR ..................................................................................... 407
ACS AIR FILTER .......................................................................................... 410
SHOCK ABSORBERS .................................................................................... 410
VII
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