TABLEOFCONTENTS
03 ELECTRONIC MANAGEMENT SYSTEMS (cont’d)
03 – COMMUNICATION TOOLS AND B.U.D.S. SOFTWARE ................................................ 179
GENERAL ................................................................................................... 179
TROUBLESHOOTING..................................................................................... 179
DIAGNOSTIC TIPS ....................................................................................... 179
PROCEDURES.............................................................................................. 181
MPI-2..................................................................................................... 181
B.U.D.S. SOFTWARE .................................................................................... 183
04 – MONITORING SYSTEM AND FAULT CODES ............................................................ 187
GENERAL ................................................................................................... 187
MONITORING SYSTEM ................................................................................. 187
FAULT CODES ........................................................................................... 190
SPECIFIC FAULT CODES ................................................................................ 192
FAULT CODE TABLE..................................................................................... 193
04 FUEL SYSTEM
01 – INTELLIGENT THROTTLE CONTROL (iTC)................................................................ 213
GENERAL ................................................................................................... 213
SYSTEM DESCRIPTION ................................................................................. 213
PROCEDURES.............................................................................................. 214
THROTTLE ACCELERATOR SENSOR (TAS) ............................................................. 214
CRUISE SWITCH ........................................................................................ 216
02 – ELECTRONIC FUEL INJECTION (EFI) ...................................................................... 219
GENERAL ................................................................................................... 219
SYSTEM DESCRIPTION ................................................................................. 220
ADJUSTMENT............................................................................................. 221
IDLE SPEED ............................................................................................. 221
CLOSED THROTTLE RESET............................................................................. 222
TROUBLESHOOTING..................................................................................... 222
DIAGNOSTIC TIPS ....................................................................................... 222
PROCEDURES.............................................................................................. 223
ENGINE CONTROL MODULE (ECM).................................................................... 223
FUEL RAIL ............................................................................................... 230
FUEL INJECTOR ......................................................................................... 232
THROTTLE BODY........................................................................................ 236
TPS (THROTTLE POSITION SENSOR)................................................................... 239
CRANKSHAFT POSITION SENSOR (CPS) ............................................................... 241
CAMSHAFT POSITION SENSOR (CAPS) ................................................................ 243
MANIFOLD AIR TEMPERATURE SENSOR (MATS) ..................................................... 245
COOLANT TEMPERATURE SENSOR (CTS) ............................................................. 247
MANIFOLD ABSOLUTE PRESSURE SENSOR (MAPS).................................................. 248
EXHAUST GAS TEMPERATURE SENSOR (EGTS)....................................................... 249
KNOCK SENSOR (KS).................................................................................... 250
03 – FUEL TANK AND FUEL PUMP .............................................................................. 253
GENERAL ................................................................................................... 256
SYSTEM DESCRIPTION ................................................................................. 256
INSPECTION................................................................................................ 258
FUEL TANK LEAK TEST.................................................................................. 258
FUEL SYSTEM HIGH PRESSURE LEAK TEST........................................................... 262
FUEL PUMP PRESSURE TEST .......................................................................... 262
PROCEDURES.............................................................................................. 263
FUEL HOSES AND OETIKER CLAMPS.................................................................. 263
FUEL PUMP ............................................................................................. 264
FUEL FILTER ............................................................................................. 268
FUEL TANK .............................................................................................. 269
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