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ENGINE CONTROL SYSTEM
B ENGINE
SECTION
ENGINE CONTROL SYSTEM
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CONTENTS
QG (WITH EURO-OBD)
INDEX FOR DTC ..................................................... 20 . Alphabetical Index ................................................. 20 . DTC No. Index ...................................................... 24 . PRECAUTIONS ....................................................... 30 . Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" ............................................................... 30 . On Board Diagnostic (OBD) System of Engine and A/T ......................................................................... 30 . Precaution ............................................................. 30 . Wiring Diagrams and Trouble Diagnosis ............... 33 . PREPARATION ........................................................ 34 . Special Service Tools ............................................ 34 . Commercial Service Tools ..................................... 34 . ENGINE CONTROL SYSTEM ................................. 36 . System Diagram - M/T Models .............................. 36 . System Diagram - A/T Models .............................. 37 . Vacuum Hose Drawing .......................................... 38 . System Chart ........................................................ 39 . Multiport Fuel Injection (MFI) System ................... 39 . Electronic Ignition (EI) System .............................. 41 . Air Conditioning Cut Control .................................. 42 . Fuel Cut Control (at No Load and High Engine Speed) ................................................................... 43 . CAN Communication ............................................. 43 . BASIC SERVICE PROCEDURE ............................. 48 . Idle Speed and Ignition Timing Check ................... 48 . Accelerator Pedal Released Position Learning ..... 49 . Throttle Valve Closed Position Learning ............... 49 . Idle Air Volume Learning ....................................... 49 . Fuel Pressure Check ............................................. 52 . ON BOARD DIAGNOSTIC (OBD) SYSTEM ........... 54 . Introduction ........................................................... 54 . Two Trip Detection Logic ....................................... 54 . Emission-related Diagnostic Information ............... 55 . NATS (Nissan Anti-theft System) .......................... 70 . Malfunction Indicator (MI) .................................... .. 70 . OBD System Operation Chart ............................... 74 . TROUBLE DIAGNOSIS ........................................... 79 . Trouble Diagnosis Introduction .............................. 79 . DTC Inspection Priority Chart ................................ 83 . Fail-safe Chart ....................................................... 85 . Basic Inspection .................................................... 87 . Symptom Matrix Chart ........................................... 92 . Engine Control Component Parts Location ........... 96 . Circuit Diagram .................................................... 100 . ECM Harness Connector Terminal Layout .......... 102 . ECM Terminals and Reference Value .................. 102 . CONSULT-II Function .......................................... 116 . Generic Scan Tool (GST) Function ...................... 127 . CONSULT-IIReferenceValueinDataMonitorMode . 128 Major Sensor Reference Graph in Data Monitor Mode .................................................................... 131 . TROUBLE DIAGNOSIS - SPECIFICATION VALUE 134 . Description ........................................................... 134 . Testing Condition ................................................. 134 . Inspection Procedure ........................................... 134 . Diagnostic Procedure .......................................... 135 . TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ...................................................................... 138 . Description ........................................................... 138 . Diagnostic Procedure .......................................... 138 . POWER SUPPLY CIRCUIT FOR ECM .................. 139 . Wiring Diagram .................................................... 139 . Diagnostic Procedure .......................................... 140 . Component Inspection ......................................... 144 . DTC U1000, U1001 CAN COMMUNICATION LINE. 145 Description ........................................................... 145 . On Board Diagnosis Logic ................................... 145 . DTC Confirmation Procedure .............................. 145 . Wiring Diagram .................................................... 146 . Diagnostic Procedure .......................................... 147 . DTC P0011 IVT CONTROL .................................... 148 . Description ........................................................... 148 . CONSULT-IIReferenceValueinDataMonitorMode . 148 On Board Diagnosis Logic ................................... 148 .
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DTC Confirmation Procedure .............................. 149 . Diagnostic Procedure .......................................... 150 . DTCP0031,P0032HO2S1HEATER(M/TMODELS) 151 . Description ........................................................... 151 . CONSULT-IIReferenceValueinDataMonitorMode . 151 On Board Diagnosis Logic ................................... 151 . DTC Confirmation Procedure .............................. 151 . Wiring Diagram .................................................... 153 . Diagnostic Procedure .......................................... 154 . Component Inspection ......................................... 156 . Removal and Installation ..................................... 156 . DTC P0031, P0032, P0051, P0052 HO2S1 HEATER (A/T MODELS) ....................................................... 157 . Description ........................................................... 157 . CONSULT-IIReferenceValueinDataMonitorMode . 157 On Board Diagnosis Logic ................................... 157 . DTC Confirmation Procedure .............................. 157 . Wiring Diagram .................................................... 159 . Diagnostic Procedure .......................................... 162 . Component Inspection ......................................... 164 . Removal and Installation ..................................... 164 . DTCP0037,P0038HO2S2HEATER(M/TMODELS) 165 . Description ........................................................... 165 . CONSULT-IIReferenceValueinDataMonitorMode . 165 On Board Diagnosis Logic ................................... 165 . DTC Confirmation Procedure .............................. 165 . Wiring Diagram .................................................... 167 . Diagnostic Procedure .......................................... 168 . Component Inspection ......................................... 169 . Removal and Installation ..................................... 169 . DTC P0037, P0038, P0057, P0058 HO2S2 HEATER (A/T MODELS) ....................................................... 170 . Description ........................................................... 170 . CONSULT-IIReferenceValueinDataMonitorMode . 170 On Board Diagnosis Logic ................................... 170 . DTC Confirmation Procedure .............................. 170 . Wiring Diagram .................................................... 172 . Diagnostic Procedure .......................................... 175 . Component Inspection ......................................... 176 . Removal and Installation ..................................... 177 . DTC P0102, P0103 MAF SENSOR ........................ 178 . Component Description ....................................... 178 . CONSULT-IIReferenceValueinDataMonitorMode . 178 On Board Diagnosis Logic ................................... 178 . DTC Confirmation Procedure .............................. 179 . Wiring Diagram .................................................... 180 . Diagnostic Procedure .......................................... 181 . Component Inspection ......................................... 183 . Removal and Installation ..................................... 183 . DTC P0112, P0113 IAT SENSOR .......................... 184 . Component Description ....................................... 184 . On Board Diagnosis Logic ................................... 184 . DTC Confirmation Procedure .............................. 184 . Wiring Diagram .................................................... 185 .
Diagnostic Procedure ........................................... 186 . Component Inspection .........................................187 . Removal and Installation ...................................... 187 . DTC P0117, P0118 ECT SENSOR ......................... 188 . Component Description ....................................... 188 . On Board Diagnosis Logic ................................... 188 . DTC Confirmation Procedure ............................... 189 . Wiring Diagram .................................................... 190 . Diagnostic Procedure ........................................... 191 . Component Inspection .........................................192 . Removal and Installation ...................................... 192 . DTC P0132 HO2S1 (M/T MODELS) ...................... 193 . Component Description ....................................... 193 . CONSULT-IIReferenceValueinDataMonitorMode .193 On Board Diagnosis Logic ................................... 193 . DTC Confirmation Procedure ............................... 194 . Wiring Diagram .................................................... 195 . Diagnostic Procedure ........................................... 196 . Component Inspection .........................................197 . Removal and Installation ...................................... 198 . DTC P0132, P0152 HO2S1 (A/T MODELS) .......... 199 . Component Description ....................................... 199 . CONSULT-IIReferenceValueinDataMonitorMode .199 On Board Diagnosis Logic ................................... 199 . DTC Confirmation Procedure ............................... 200 . Wiring Diagram .................................................... 201 . Diagnostic Procedure ........................................... 204 . Component Inspection .........................................205 . Removal and Installation ...................................... 207 . DTC P0133 HO2S1 (M/T MODELS) ...................... 208 . Component Description ....................................... 208 . CONSULT-IIReferenceValueinDataMonitorMode .208 On Board Diagnosis Logic ................................... 208 . DTC Confirmation Procedure ............................... 209 . Overall Function Check ........................................ 210 . Wiring Diagram .................................................... 211 . Diagnostic Procedure ........................................... 212 . Component Inspection .........................................215 . Removal and Installation ...................................... 217 . DTC P0133, P0153, HO2S1 (A/T MODELS) ......... 218 . Component Description ....................................... 218 . CONSULT-IIReferenceValueinDataMonitorMode .218 On Board Diagnosis Logic ................................... 218 . DTC Confirmation Procedure ............................... 219 . Overall Function Check ........................................ 220 . Wiring Diagram .................................................... 221 . Diagnostic Procedure ........................................... 224 . Component Inspection .........................................227 . Removal and Installation ...................................... 229 . DTC P0134 HO2S1 (M/T MODELS) ...................... 230 . Component Description ....................................... 230 . CONSULT-IIReferenceValueinDataMonitorMode .230 On Board Diagnosis Logic ................................... 230 . DTC Confirmation Procedure ............................... 231 .
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Overall Function Check ....................................... 231 . Wiring Diagram ................................................... 233 . Diagnostic Procedure .......................................... 234 . Component Inspection ........................................ 235 . Removal and Installation ..................................... 236 . DTC P0134, P0154 HO2S1 (A/T MODELS) .......... 237 . Component Description ....................................... 237 . CONSULT-IIReferenceValueinDataMonitorMode . 237 On Board Diagnosis Logic .................................. 237 . DTC Confirmation Procedure .............................. 238 . Overall Function Check ....................................... 238 . Wiring Diagram ................................................... 240 . Diagnostic Procedure .......................................... 243 . Component Inspection ........................................ 244 . Removal and Installation ..................................... 246 . DTC P0138 HO2S2 (M/T MODELS) ...................... 247 . Component Description ....................................... 247 . CONSULT-IIReferenceValueinDataMonitorMode . 247 On Board Diagnosis Logic .................................. 247 . DTC Confirmation Procedure .............................. 248 . Wiring Diagram ................................................... 249 . Diagnostic Procedure .......................................... 250 . Component Inspection ........................................ 251 . Removal and Installation ..................................... 252 . DTC P0138, P0158 HO2S2 (A/T MODELS) .......... 253 . Component Description ....................................... 253 . CONSULT-IIReferenceValueinDataMonitorMode . 253 On Board Diagnosis Logic .................................. 253 . DTC Confirmation Procedure .............................. 253 . Wiring Diagram ................................................... 255 . Diagnostic Procedure .......................................... 258 . Component Inspection ........................................ 259 . Removal and Installation ..................................... 261 . DTC P0139 HO2S2 (M/T MODELS) ...................... 262 . Component Description ....................................... 262 . CONSULT-IIReferenceValueinDataMonitorMode . 262 On Board Diagnosis Logic .................................. 262 . DTC Confirmation Procedure .............................. 263 . Overall Function Check ....................................... 264 . Wiring Diagram ................................................... 265 . Diagnostic Procedure .......................................... 266 . Component Inspection ........................................ 268 . Removal and Installation ..................................... 269 . DTC P0139, P0159 HO2S2 (A/T MODELS) .......... 270 . Component Description ....................................... 270 . CONSULT-IIReferenceValueinDataMonitorMode . 270 On Board Diagnosis Logic .................................. 270 . DTC Confirmation Procedure .............................. 271 . Overall Function Check ....................................... 272 . Wiring Diagram ................................................... 273 . Diagnostic Procedure .......................................... 276 . Component Inspection ........................................ 278 . Removal and Installation ..................................... 280 . DTCP0171FUELINJECTIONSYSTEMFUNCTION
(M/T MODELS) ....................................................... 281 . On Board Diagnosis Logic ................................... 281 . DTC Confirmation Procedure .............................. 281 . Wiring Diagram .................................................... 283 . Diagnostic Procedure .......................................... 284 . DTC P0171, P0174 FUEL INJECTION SYSTEM FUNCTION (A/T MODELS) ................................... 288 . On Board Diagnosis Logic ................................... 288 . DTC Confirmation Procedure .............................. 288 . Wiring Diagram .................................................... 290 . Diagnostic Procedure .......................................... 292 . DTCP0172FUELINJECTIONSYSTEMFUNCTION (M/T MODELS) ....................................................... 296 . On Board Diagnosis Logic ................................... 296 . DTC Confirmation Procedure .............................. 296 . Wiring Diagram .................................................... 298 . Diagnostic Procedure .......................................... 299 . DTC P0172, P0175 FUEL INJECTION SYSTEM FUNCTION (A/T MODELS) ................................... 302 . On Board Diagnosis Logic ................................... 302 . DTC Confirmation Procedure .............................. 302 . Wiring Diagram .................................................... 304 . Diagnostic Procedure .......................................... 306 . DTC P0221 TP SENSOR ....................................... 310 . Component Description ....................................... 310 . CONSULT-IIReferenceValueinDataMonitorMode . 310 On Board Diagnosis Logic ................................... 310 . DTC Confirmation Procedure .............................. 310 . Wiring Diagram .................................................... 312 . Diagnostic Procedure .......................................... 313 . Component Inspection ......................................... 315 . Remove and Installation ...................................... 315 . DTC P0222, P0223 TP SENSOR ........................... 316 . Component Description ....................................... 316 . CONSULT-IIReferenceValueinDataMonitorMode . 316 On Board Diagnosis Logic ................................... 316 . DTC Confirmation Procedure .............................. 316 . Wiring Diagram .................................................... 318 . Diagnostic Procedure .......................................... 319 . Component Inspection ......................................... 321 . Remove and Installation ...................................... 321 . DTC P0226 APP SENSOR .................................... 322 . Component Description ....................................... 322 . CONSULT-IIReferenceValueinDataMonitorMode . 322 On Board Diagnosis Logic ................................... 322 . DTC Confirmation Procedure .............................. 322 . Wiring Diagram .................................................... 324 . Diagnostic Procedure .......................................... 325 . Component Inspection ......................................... 327 . Remove and Installation ...................................... 327 . DTC P0227, P0228 APP SENSOR ........................ 328 . Component Description ....................................... 328 . CONSULT-IIReferenceValueinDataMonitorMode . 328 On Board Diagnosis Logic ................................... 328 . DTC Confirmation Procedure .............................. 328 .
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Wiring Diagram .................................................... 330 . Diagnostic Procedure .......................................... 331 . Component Inspection ......................................... 333 . Remove and Installation ...................................... 333 . DTC P0300 - P0304 MULTIPLE CYLINDER MISFIRE, NO. 1 - 4 CYLINDER MISFIRE .................... 334 . On Board Diagnosis Logic ................................... 334 . DTC Confirmation Procedure .............................. 334 . Diagnostic Procedure .......................................... 335 . DTC P0327, P0328 KS ........................................... 339 . Component Description ....................................... 339 . On Board Diagnosis Logic ................................... 339 . DTC Confirmation Procedure .............................. 339 . Wiring Diagram .................................................... 340 . Diagnostic Procedure .......................................... 341 . Component Inspection ......................................... 342 . Removal and Installation ..................................... 342 . DTC P0335 CKP SENSOR (POS) ......................... 343 . Component Description ....................................... 343 . CONSULT-IIReferenceValueinDataMonitorMode . 343 On Board Diagnosis Logic ................................... 343 . DTC Confirmation Procedure .............................. 343 . Wiring Diagram .................................................... 344 . Diagnostic Procedure .......................................... 345 . Component Inspection ......................................... 347 . Removal and Installation ..................................... 348 . DTC P0340 CMP SENSOR (PHASE) .................... 349 . Component Description ....................................... 349 . On Board Diagnosis Logic ................................... 349 . DTC Confirmation Procedure .............................. 349 . Wiring Diagram .................................................... 350 . Diagnostic Procedure .......................................... 351 . Component Inspection ......................................... 353 . Removal and Installation ..................................... 354 . DTC P0420 THREE WAY CATALYST FUNCTION (M/T MODELS) ....................................................... 355 . On Board Diagnosis Logic ................................... 355 . DTC Confirmation Procedure .............................. 355 . Overall Function Check ....................................... 356 . Diagnostic Procedure .......................................... 357 . DTC P0420, P0430 THREE WAY CATALYST FUNCTION (A/T MODELS) .............................................. 360 . On Board Diagnosis Logic ................................... 360 . DTC Confirmation Procedure .............................. 360 . Overall Function Check ....................................... 361 . Diagnostic Procedure .......................................... 362 . DTC P0444 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE .............................. 365 . Description ........................................................... 365 . CONSULT-IIReferenceValueinDataMonitorMode . 365 On Board Diagnosis Logic ................................... 366 . DTC Confirmation Procedure .............................. 366 . Wiring Diagram .................................................... 367 . Diagnostic Procedure .......................................... 368 . Component Inspection ......................................... 370 . Removal and Installation ..................................... 370 .
DTC P0500 VSS ..................................................... 371 . Description ........................................................... 371 . On Board Diagnosis Logic ................................... 371 . DTC Confirmation Procedure ............................... 371 . Overall Function Check ........................................ 371 . Diagnostic Procedure ........................................... 372 . DTC P0550 PSP SENSOR ..................................... 373 . Component Description ....................................... 373 . CONSULT-IIReferenceValueinDataMonitorMode .373 On Board Diagnosis Logic ................................... 373 . DTC Confirmation Procedure ............................... 373 . Wiring Diagram .................................................... 374 . Diagnostic Procedure ........................................... 375 . Component Inspection .........................................376 . DTC P0605 ECM .................................................... 377 . Component Description ....................................... 377 . On Board Diagnosis Logic ................................... 377 . DTC Confirmation Procedure ............................... 377 . Diagnostic Procedure ........................................... 378 . DTC P1065 ECM POWER SUPPLY ....................... 380 . Component Description ....................................... 380 . On Board Diagnosis Logic ................................... 380 . DTC Confirmation Procedure ............................... 380 . Wiring Diagram .................................................... 381 . Diagnostic Procedure ........................................... 382 . DTC P1111 IVT CONTROL SOLENOID VALVE .... 384 . Description ........................................................... 384 . CONSULT-IIReferenceValueinDataMonitorMode .384 On Board Diagnosis Logic ................................... 385 . DTC Confirmation Procedure ............................... 385 . Wiring Diagram .................................................... 386 . Diagnostic Procedure ........................................... 387 . Component Inspection .........................................388 . Removal and Installation ...................................... 388 . DTC P1121 ELECTRIC THROTTLE CONTROL ACTUATOR ............................................................ 389 . Component Description ....................................... 389 . On Board Diagnosis Logic ................................... 389 . DTC Confirmation Procedure ............................... 389 . Diagnostic Procedure ........................................... 390 . Remove and Installation ...................................... 390 . DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION ............................................................. 391 . Description ........................................................... 391 . On Board Diagnosis Logic ................................... 391 . DTC Confirmation Procedure ............................... 391 . Wiring Diagram .................................................... 392 . Diagnostic Procedure ........................................... 393 . Component Inspection .........................................397 . Remove and Installation ...................................... 397 . DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAY .................................................................... 398 . Component Description ....................................... 398 . CONSULT-IIReferenceValueinDataMonitorMode .398 On Board Diagnosis Logic ................................... 398 . DTC Confirmation Procedure ............................... 398 .
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Wiring Diagram ................................................... 400 . Diagnostic Procedure .......................................... 401 . Component Inspection ........................................ 403 . DTC P1128 THROTTLE CONTROL MOTOR ....... 404 . Component Description ....................................... 404 . On Board Diagnosis Logic .................................. 404 . DTC Confirmation Procedure .............................. 404 . Wiring Diagram ................................................... 405 . Diagnostic Procedure .......................................... 406 . Component Inspection ........................................ 407 . Remove and Installation ...................................... 408 . DTC P1143 HO2S1 (M/T MODELS) ...................... 409 . Component Description ....................................... 409 . CONSULT-IIReferenceValueinDataMonitorMode . 409 On Board Diagnosis Logic .................................. 409 . DTC Confirmation Procedure .............................. 410 . Overall Function Check ........................................411 . Diagnostic Procedure ...........................................411 . Component Inspection ........................................ 413 . Removal and Installation ..................................... 414 . DTC P1143, P1163 HO2S1 (A/T MODELS) .......... 415 . Component Description ....................................... 415 . CONSULT-IIReferenceValueinDataMonitorMode . 415 On Board Diagnosis Logic .................................. 415 . DTC Confirmation Procedure .............................. 416 . Overall Function Check ....................................... 417 . Diagnostic Procedure .......................................... 417 . Component Inspection ........................................ 419 . Removal and Installation ..................................... 420 . DTC P1144 HO2S1 (M/T MODELS) ...................... 421 . Component Description ....................................... 421 . CONSULT-IIReferenceValueinDataMonitorMode . 421 On Board Diagnosis Logic .................................. 421 . DTC Confirmation Procedure .............................. 422 . Overall Function Check ....................................... 423 . Diagnostic Procedure .......................................... 423 . Component Inspection ........................................ 425 . Removal and Installation ..................................... 426 . DTC P1144, P1164 HO2S1 (A/T MODELS) .......... 427 . Component Description ....................................... 427 . CONSULT-IIReferenceValueinDataMonitorMode . 427 On Board Diagnosis Logic .................................. 427 . DTC Confirmation Procedure .............................. 428 . Overall Function Check ....................................... 429 . Diagnostic Procedure .......................................... 429 . Component Inspection ........................................ 431 . Removal and Installation ..................................... 432 . DTC P1146 HO2S2 (M/T MODELS) ...................... 433 . Component Description ....................................... 433 . CONSULT-IIReferenceValueinDataMonitorMode . 433 On Board Diagnosis Logic .................................. 433 . DTC Confirmation Procedure .............................. 433 . Overall Function Check ....................................... 435 . Wiring Diagram ................................................... 436 .
Diagnostic Procedure .......................................... 437 . Component Inspection ......................................... 439 . Removal and Installation ..................................... 440 . DTC P1146, P1166 HO2S2 (A/T MODELS) .......... 441 . Component Description ....................................... 441 . CONSULT-IIReferenceValueinDataMonitorMode . 441 On Board Diagnosis Logic ................................... 441 . DTC Confirmation Procedure .............................. 442 . Overall Function Check ....................................... 443 . Wiring Diagram .................................................... 444 . Diagnostic Procedure .......................................... 447 . Component Inspection ......................................... 449 . Removal and Installation ..................................... 451 . DTC P1147 HO2S2 (M/T MODELS) ...................... 452 . Component Description ....................................... 452 . CONSULT-IIReferenceValueinDataMonitorMode . 452 On Board Diagnosis Logic ................................... 452 . DTC Confirmation Procedure .............................. 453 . Overall Function Check ....................................... 454 . Wiring Diagram .................................................... 455 . Diagnostic Procedure .......................................... 456 . Component Inspection ......................................... 458 . Removal and Installation ..................................... 459 . DTC P1147, P1167 HO2S2 (A/T MODELS) .......... 460 . Component Description ....................................... 460 . CONSULT-IIReferenceValueinDataMonitorMode . 460 On Board Diagnosis Logic ................................... 460 . DTC Confirmation Procedure .............................. 461 . Overall Function Check ....................................... 462 . Wiring Diagram .................................................... 463 . Diagnostic Procedure .......................................... 466 . Component Inspection ......................................... 468 . Removal and Installation ..................................... 470 . DTC P1211 TCS CONTROL UNIT ......................... 471 . Description ........................................................... 471 . On Board Diagnosis Logic ................................... 471 . DTC Confirmation Procedure .............................. 471 . Diagnostic Procedure .......................................... 471 . DTC P1212 TCS COMMUNICATION LINE ........... 472 . Description ........................................................... 472 . On Board Diagnosis Logic ................................... 472 . DTC Confirmation Procedure .............................. 472 . Diagnostic Procedure .......................................... 472 . DTC P1217 ENGINE OVER TEMPERATURE ....... 473 . System Description .............................................. 473 . CONSULT-IIReferenceValueinDataMonitorMode . 473 On Board Diagnosis Logic ................................... 474 . Overall Function Check ....................................... 474 . Wiring Diagram .................................................... 476 . Diagnostic Procedure .......................................... 477 . Main 12 Causes of Overheating .......................... 482 . Component Inspection ......................................... 483 . DTC P1223, P1224 TP SENSOR ........................... 484 . Component Description ....................................... 484 . CONSULT-IIReferenceValueinDataMonitorMode
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. 484 On Board Diagnosis Logic ................................... 484 . DTC Confirmation Procedure .............................. 484 . Wiring Diagram .................................................... 486 . Diagnostic Procedure .......................................... 487 . Component Inspection ......................................... 489 . Remove and Installation ...................................... 489 . DTC P1225 TP SENSOR ....................................... 490 . Component Description ....................................... 490 . On Board Diagnosis Logic ................................... 490 . DTC Confirmation Procedure .............................. 490 . Diagnostic Procedure .......................................... 491 . Remove and Installation ...................................... 491 . DTC P1226 TP SENSOR ....................................... 492 . Component Description ....................................... 492 . On Board Diagnosis Logic ................................... 492 . DTC Confirmation Procedure .............................. 492 . Diagnostic Procedure .......................................... 493 . Remove and Installation ...................................... 493 . DTC P1227, P1228 APP SENSOR ........................ 494 . Component Description ....................................... 494 . CONSULT-IIReferenceValueinDataMonitorMode . 494 On Board Diagnosis Logic ................................... 494 . DTC Confirmation Procedure .............................. 494 . Wiring Diagram .................................................... 496 . Diagnostic Procedure .......................................... 497 . Component Inspection ......................................... 499 . Remove and Installation ...................................... 499 . DTC P1229 SENSOR POWER SUPPLY ............... 500 . On Board Diagnosis Logic ................................... 500 . DTC Confirmation Procedure .............................. 500 . Wiring Diagram .................................................... 501 . Diagnostic Procedure .......................................... 502 . DTC P1706 PNP SWITCH ..................................... 504 . Component Description ....................................... 504 . CONSULT-IIReferenceValueinDataMonitorMode . 504 On Board Diagnosis Logic ................................... 504 . DTC Confirmation Procedure .............................. 504 . Overall Function Check ....................................... 505 . Wiring Diagram .................................................... 506 . Diagnostic Procedure .......................................... 507 . DTC P1805 BRAKE SWITCH ................................ 509 . Description ........................................................... 509 . CONSULT-IIReferenceValueinDataMonitorMode . 509 On Board Diagnosis Logic ................................... 509 . DTC Confirmation Procedure .............................. 509 . Wiring Diagram .................................................... 510 . Diagnostic Procedure .......................................... 511 . Component Inspection ......................................... 512 . IGNITION SIGNAL ................................................. 514 . Component Description ....................................... 514 . Wiring Diagram .................................................... 515 . Diagnostic Procedure .......................................... 518 . Component Inspection ......................................... 522 . Removal and Installation ..................................... 523 .
INJECTOR CIRCUIT .............................................. 524 . Component Description ....................................... 524 . CONSULT-IIReferenceValueinDataMonitorMode .524 Wiring Diagram .................................................... 525 . Diagnostic Procedure ........................................... 526 . Component Inspection .........................................529 . Removal and Installation ...................................... 529 . FUEL PUMP CIRCUIT ............................................ 530 . Description ........................................................... 530 . CONSULT-IIReferenceValueinDataMonitorMode .530 Wiring Diagram .................................................... 531 . Diagnostic Procedure ........................................... 532 . Component Inspection .........................................534 . Removal and Installation ...................................... 534 . REFRIGERANT PRESSURE SENSOR ................. 535 . Component Description ....................................... 535 . Wiring Diagram .................................................... 536 . Diagnostic Procedure ........................................... 537 . Removal and Installation ...................................... 539 . ELECTRICAL LOAD SIGNAL ............................... 540 . Description ........................................................... 540 . CONSULT-IIReferenceValueinDataMonitorMode .540 Wiring Diagram .................................................... 541 . Diagnostic Procedure ........................................... 542 . MI & DATA LINK CONNECTORS .......................... 545 . Wiring Diagram--LHD Models ............................. 545 . Wiring Diagram--RHD Models ............................ 546 . EVAPORATIVE EMISSION SYSTEM .................... 547 . Description ........................................................... 547 . Component Inspection .........................................549 . POSITIVE CRANKCASE VENTILATION ............... 550 . Description ........................................................... 550 . Component Inspection .........................................550 . SERVICE DATA AND SPECIFICATIONS (SDS) ... 552 . Fuel Pressure ....................................................... 552 . Idle Speed and Ignition Timing ............................. 552 . Calculated Load Value ......................................... 552 . Mass Air Flow Sensor .......................................... 552 . Intake Air Temperature Sensor ............................ 552 . Engine Coolant Temperature Sensor ................... 552 . Heated Oxygen Sensor 1 Heater ......................... 552 . Heated Oxygen sensor 2 Heater ......................... 552 . Crankshaft Position Sensor (POS) ...................... 552 . Camshaft Position Sensor (PHASE) .................... 553 . Throttle Control Motor .......................................... 553 . Injector ................................................................. 553 . Fuel Pump ............................................................ 553 .
QG (WITHOUT EURO-OBD)
INDEX FOR DTC .................................................... 554 . Alphabetical Index ................................................ 554 . DTC No. Index ..................................................... 556 . PRECAUTIONS ...................................................... 559 . Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
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SIONER" ............................................................. 559 . On Board Diagnostic (OBD) System of Engine ... 559 . Precaution ........................................................... 559 . Wiring Diagrams and Trouble Diagnosis ............. 562 . PREPARATION ...................................................... 563 . Special Service Tools .......................................... 563 . Commercial Service Tools ................................... 563 . ENGINE CONTROL SYSTEM ............................... 565 . System Diagram - M/T Models ............................ 565 . System Diagram - A/T Models ............................ 566 . Vacuum Hose Drawing ........................................ 567 . System Chart ...................................................... 568 . Multiport Fuel Injection (MFI) System ................. 568 . Electronic Ignition (EI) System ............................ 570 . Air Conditioning Cut Control ................................ 571 . Fuel Cut Control (at No Load and High Engine Speed) ................................................................. 572 . CAN Communication ........................................... 572 . BASIC SERVICE PROCEDURE ........................... 575 . Idle Speed and Ignition Timing Check ................. 575 . Accelerator Pedal Released Position Learning ... 576 . Throttle Valve Closed Position Learning ............. 576 . Idle Air Volume Learning ..................................... 576 . Fuel Pressure Check ........................................... 579 . ON BOARD DIAGNOSTIC (OBD) SYSTEM ......... 581 . Introduction ......................................................... 581 . Two Trip Detection Logic ..................................... 581 . Emission-related Diagnostic Information ............. 581 . NATS (Nissan Anti-theft System) ........................ 583 . Malfunction Indicator (MI) .................................... 584 . TROUBLE DIAGNOSIS ......................................... 588 . Trouble Diagnosis Introduction ............................ 588 . DTC Inspection Priority Chart ............................. 592 . Fail-safe Chart ..................................................... 593 . Basic Inspection .................................................. 595 . Symptom Matrix Chart ........................................ 600 . Engine Control Component Parts Location ......... 604 . Circuit Diagram ................................................... 608 . ECM Harness Connector Terminal Layout .......... 610 . ECM Terminals and Reference Value ................. 610 . CONSULT-II Function ......................................... 624 . CONSULT-IIReferenceValueinDataMonitorMode . 634 Major Sensor Reference Graph in Data Monitor Mode ................................................................... 637 . TROUBLE DIAGNOSIS - SPECIFICATION VALUE 640 . Description .......................................................... 640 . Testing Condition ................................................. 640 . Inspection Procedure .......................................... 640 . Diagnostic Procedure .......................................... 641 . TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ..................................................................... 644 . Description .......................................................... 644 . Diagnostic Procedure .......................................... 644 . POWER SUPPLY CIRCUIT FOR ECM ................. 645 . Wiring Diagram ................................................... 645 . Diagnostic Procedure .......................................... 646 . Component Inspection ........................................ 650 .
DTC U1000, U1001 CAN COMMUNICATION LINE. 651 Description ........................................................... 651 . On Board Diagnosis Logic ................................... 651 . DTC Confirmation Procedure .............................. 651 . Wiring Diagram .................................................... 652 . Diagnostic Procedure .......................................... 653 . DTC P0102, P0103 MAF SENSOR ....................... 654 . Component Description ....................................... 654 . CONSULT-IIReferenceValueinDataMonitorMode . 654 On Board Diagnosis Logic ................................... 654 . DTC Confirmation Procedure .............................. 654 . Wiring Diagram .................................................... 656 . Diagnostic Procedure .......................................... 657 . Component Inspection ......................................... 659 . Removal and Installation ..................................... 659 . DTC P0117, P0118 ECT SENSOR ........................ 660 . Component Description ....................................... 660 . On Board Diagnosis Logic ................................... 660 . DTC Confirmation Procedure .............................. 661 . Wiring Diagram .................................................... 662 . Diagnostic Procedure .......................................... 663 . Component Inspection ......................................... 664 . Removal and Installation ..................................... 664 . DTC P0132 HO2S1 (M/T MODELS) ...................... 665 . Component Description ....................................... 665 . CONSULT-IIReferenceValueinDataMonitorMode . 665 On Board Diagnosis Logic ................................... 665 . DTC Confirmation Procedure .............................. 666 . Wiring Diagram .................................................... 667 . Diagnostic Procedure .......................................... 668 . Component Inspection ......................................... 669 . Removal and Installation ..................................... 670 . DTC P0132, P0152 HO2S1 (A/T MODELS) .......... 671 . Component Description ....................................... 671 . CONSULT-IIReferenceValueinDataMonitorMode . 671 On Board Diagnosis Logic ................................... 671 . DTC Confirmation Procedure .............................. 672 . Wiring Diagram .................................................... 673 . Diagnostic Procedure .......................................... 676 . Component Inspection ......................................... 677 . Removal and Installation ..................................... 679 . DTC P0134 HO2S1 (M/T MODELS) ...................... 680 . Component Description ....................................... 680 . CONSULT-IIReferenceValueinDataMonitorMode . 680 On Board Diagnosis Logic ................................... 680 . Overall Function Check ....................................... 681 . Wiring Diagram .................................................... 682 . Diagnostic Procedure .......................................... 683 . Component Inspection ......................................... 684 . Removal and Installation ..................................... 685 . DTC P0134, P0154 HO2S1 (A/T MODELS) .......... 686 . Component Description ....................................... 686 . CONSULT-IIReferenceValueinDataMonitorMode . 686 On Board Diagnosis Logic ...................................
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Overall Function Check ....................................... 687 . Wiring Diagram .................................................... 688 . Diagnostic Procedure .......................................... 691 . Component Inspection ......................................... 692 . Removal and Installation ..................................... 694 . DTC P0138 HO2S2 (M/T MODELS) ...................... 695 . Component Description ....................................... 695 . CONSULT-IIReferenceValueinDataMonitorMode . 695 On Board Diagnosis Logic ................................... 695 . DTC Confirmation Procedure .............................. 695 . Wiring Diagram .................................................... 697 . Diagnostic Procedure .......................................... 698 . Component Inspection ......................................... 699 . Removal and Installation ..................................... 700 . DTC P0138, P0158 HO2S2 (A/T MODELS) .......... 701 . Component Description ....................................... 701 . CONSULT-IIReferenceValueinDataMonitorMode . 701 On Board Diagnosis Logic ................................... 701 . DTC Confirmation Procedure .............................. 702 . Wiring Diagram .................................................... 703 . Diagnostic Procedure .......................................... 706 . Component Inspection ......................................... 707 . Removal and Installation ..................................... 709 . DTC P0221 TP SENSOR ....................................... 710 . Component Description ....................................... 710 . CONSULT-IIReferenceValueinDataMonitorMode . 710 On Board Diagnosis Logic ................................... 710 . DTC Confirmation Procedure .............................. 710 . Wiring Diagram .................................................... 712 . Diagnostic Procedure .......................................... 713 . Component Inspection ......................................... 715 . Remove and Installation ...................................... 715 . DTC P0222, P0223 TP SENSOR ........................... 716 . Component Description ....................................... 716 . CONSULT-IIReferenceValueinDataMonitorMode . 716 On Board Diagnosis Logic ................................... 716 . DTC Confirmation Procedure .............................. 716 . Wiring Diagram .................................................... 718 . Diagnostic Procedure .......................................... 719 . Component Inspection ......................................... 721 . Remove and Installation ...................................... 721 . DTC P0226 APP SENSOR .................................... 722 . Component Description ....................................... 722 . CONSULT-IIReferenceValueinDataMonitorMode . 722 On Board Diagnosis Logic ................................... 722 . DTC Confirmation Procedure .............................. 722 . Wiring Diagram .................................................... 724 . Diagnostic Procedure .......................................... 725 . Component Inspection ......................................... 727 . Remove and Installation ...................................... 727 . DTC P0227, P0228 APP SENSOR ........................ 728 . Component Description ....................................... 728 . CONSULT-IIReferenceValueinDataMonitorMode . 728
On Board Diagnosis Logic ................................... 728 . DTC Confirmation Procedure ............................... 728 . Wiring Diagram .................................................... 730 . Diagnostic Procedure ........................................... 731 . Component Inspection .........................................733 . Remove and Installation ...................................... 733 . DTC P0327, P0328 KS ........................................... 734 . Component Description ....................................... 734 . On Board Diagnosis Logic ................................... 734 . DTC Confirmation Procedure ............................... 734 . Wiring Diagram .................................................... 735 . Diagnostic Procedure ........................................... 736 . Component Inspection .........................................737 . Removal and Installation ...................................... 737 . DTC P0335 CKP SENSOR (POS) ......................... 738 . Component Description ....................................... 738 . CONSULT-IIReferenceValueinDataMonitorMode .738 On Board Diagnosis Logic ................................... 738 . DTC Confirmation Procedure ............................... 738 . Wiring Diagram .................................................... 740 . Diagnostic Procedure ........................................... 741 . Component Inspection .........................................743 . Removal and Installation ...................................... 744 . DTC P0340 CMP SENSOR (PHASE) .................... 745 . Component Description ....................................... 745 . On Board Diagnosis Logic ................................... 745 . DTC Confirmation Procedure ............................... 745 . Wiring Diagram .................................................... 747 . Diagnostic Procedure ........................................... 748 . Component Inspection .........................................750 . Removal and Installation ...................................... 751 . DTC P0605 ECM .................................................... 752 . Component Description ....................................... 752 . On Board Diagnosis Logic ................................... 752 . DTC Confirmation Procedure ............................... 752 . Diagnostic Procedure ........................................... 754 . DTC P1065 ECM POWER SUPPLY ....................... 755 . Component Description ....................................... 755 . On Board Diagnosis Logic ................................... 755 . DTC Confirmation Procedure ............................... 755 . Wiring Diagram .................................................... 756 . Diagnostic Procedure ........................................... 757 . DTC P1121 ELECTRIC THROTTLE CONTROL ACTUATOR ............................................................ 759 . Component Description ....................................... 759 . On Board Diagnosis Logic ................................... 759 . DTC Confirmation Procedure ............................... 759 . Diagnostic Procedure ........................................... 760 . Remove and Installation ...................................... 761 . DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION ............................................................. 762 . Description ........................................................... 762 . On Board Diagnosis Logic ................................... 762 . DTC Confirmation Procedure ............................... 762 . Wiring Diagram .................................................... 763 . Diagnostic Procedure ........................................... 764 . Component Inspection .........................................768 . Remove and Installation ...................................... 768 .
EC-8
DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAY ................................................................... 769 . Component Description ....................................... 769 . CONSULT-IIReferenceValueinDataMonitorMode . 769 On Board Diagnosis Logic .................................. 769 . DTC Confirmation Procedure .............................. 769 . Wiring Diagram ................................................... 771 . Diagnostic Procedure .......................................... 772 . Component Inspection ........................................ 774 . DTC P1128 THROTTLE CONTROL MOTOR ....... 775 . Component Description ....................................... 775 . On Board Diagnosis Logic .................................. 775 . DTC Confirmation Procedure .............................. 775 . Wiring Diagram ................................................... 776 . Diagnostic Procedure .......................................... 777 . Component Inspection ........................................ 778 . Remove and Installation ...................................... 779 . DTC P1217 ENGINE OVER TEMPERATURE ...... 780 . System Description ............................................. 780 . CONSULT-IIReferenceValueinDataMonitorMode . 780 On Board Diagnosis Logic .................................. 781 . Overall Function Check ....................................... 781 . Wiring Diagram ................................................... 783 . Diagnostic Procedure .......................................... 784 . Main 12 Causes of Overheating .......................... 789 . Component Inspection ........................................ 790 . DTC P1223, P1224 TP SENSOR .......................... 791 . Component Description ....................................... 791 . CONSULT-IIReferenceValueinDataMonitorMode . 791 On Board Diagnosis Logic .................................. 791 . DTC Confirmation Procedure .............................. 791 . Wiring Diagram ................................................... 793 . Diagnostic Procedure .......................................... 794 . Component Inspection ........................................ 796 . Remove and Installation ...................................... 796 . DTC P1225 TP SENSOR ....................................... 797 . Component Description ....................................... 797 . On Board Diagnosis Logic .................................. 797 . DTC Confirmation Procedure .............................. 797 . Diagnostic Procedure .......................................... 798 . Remove and Installation ...................................... 798 . DTC P1226 TP SENSOR ....................................... 799 . Component Description ....................................... 799 . On Board Diagnosis Logic .................................. 799 . DTC Confirmation Procedure .............................. 799 . Diagnostic Procedure .......................................... 800 . Remove and Installation ...................................... 800 . DTC P1227, P1228 APP SENSOR ....................... 801 . Component Description ....................................... 801 . CONSULT-IIReferenceValueinDataMonitorMode . 801 On Board Diagnosis Logic .................................. 801 . DTC Confirmation Procedure .............................. 801 . Wiring Diagram ................................................... 803 . Diagnostic Procedure .......................................... 804 .
Component Inspection ......................................... 806 . Remove and Installation ...................................... 806 . DTC P1229 SENSOR POWER SUPPLY ............... 807 . On Board Diagnosis Logic ................................... 807 . DTC Confirmation Procedure .............................. 807 . Wiring Diagram .................................................... 808 . Diagnostic Procedure .......................................... 809 . DTC P1805 BRAKE SWITCH ................................ 811 . Description ........................................................... 811 . CONSULT-IIReferenceValueinDataMonitorMode . 811 On Board Diagnosis Logic ................................... 811 . DTC Confirmation Procedure .............................. 811 . Wiring Diagram .................................................... 812 . Diagnostic Procedure .......................................... 813 . Component Inspection ......................................... 814 . HO2S1 HEATER (M/T MODELS) .......................... 816 . Description ........................................................... 816 . CONSULT-IIReferenceValueinDataMonitorMode . 816 Wiring Diagram .................................................... 817 . Diagnostic Procedure .......................................... 818 . Component Inspection ......................................... 820 . Removal and Installation ..................................... 820 . HO2S1 HEATER (A/T MODELS) ........................... 821 . Description ........................................................... 821 . CONSULT-IIReferenceValueinDataMonitorMode . 821 Wiring Diagram .................................................... 822 . Diagnostic Procedure .......................................... 825 . Component Inspection ......................................... 827 . Removal and Installation ..................................... 827 . HO2S2 HEATER (M/T MODELS) .......................... 828 . Description ........................................................... 828 . CONSULT-IIReferenceValueinDataMonitorMode . 828 Wiring Diagram .................................................... 829 . Diagnostic Procedure .......................................... 830 . Component Inspection ......................................... 832 . Removal and Installation ..................................... 832 . HO2S2 HEATER (A/T MODELS) ........................... 833 . Description ........................................................... 833 . CONSULT-IIReferenceValueinDataMonitorMode . 833 Wiring Diagram .................................................... 834 . Diagnostic Procedure .......................................... 837 . Component Inspection ......................................... 839 . Removal and Installation ..................................... 839 . IAT SENSOR .......................................................... 840 . Component Description ....................................... 840 . Wiring Diagram .................................................... 841 . Diagnostic Procedure .......................................... 842 . Component Inspection ......................................... 843 . Removal and Installation ..................................... 843 . HO2S1 (M/T MODELS) .......................................... 844 . Component Description ....................................... 844 . CONSULT-IIReferenceValueinDataMonitorMode . 844 Wiring Diagram ....................................................
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Diagnostic Procedure .......................................... 846 . Component Inspection ......................................... 849 . Removal and Installation ..................................... 850 . HO2S1 (A/T MODELS) .......................................... 851 . Component Description ....................................... 851 . CONSULT-IIReferenceValueinDataMonitorMode . 851 Wiring Diagram .................................................... 852 . Diagnostic Procedure .......................................... 855 . Component Inspection ......................................... 858 . Removal and Installation ..................................... 859 . HO2S2 (M/T MODELS) .......................................... 860 . Component Description ....................................... 860 . CONSULT-IIReferenceValueinDataMonitorMode . 860 Wiring Diagram .................................................... 861 . Diagnostic Procedure .......................................... 862 . Component Inspection ......................................... 864 . Removal and Installation ..................................... 865 . HO2S2 (A/T MODELS) .......................................... 866 . Component Description ....................................... 866 . CONSULT-IIReferenceValueinDataMonitorMode . 866 Wiring Diagram .................................................... 867 . Diagnostic Procedure .......................................... 870 . Component Inspection ......................................... 872 . Removal and Installation ..................................... 873 . IGNITION SIGNAL ................................................. 874 . Component Description ....................................... 874 . Wiring Diagram .................................................... 875 . Diagnostic Procedure .......................................... 878 . Component Inspection ......................................... 882 . Removal and Installation ..................................... 883 . EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE ................................................ 884 . Description ........................................................... 884 . CONSULT-IIReferenceValueinDataMonitorMode . 884 Wiring Diagram .................................................... 885 . Diagnostic Procedure .......................................... 887 . Component Inspection ......................................... 890 . Removal and Installation ..................................... 890 . VSS ......................................................................... 891 . Description ........................................................... 891 . Diagnostic Procedure .....................