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ENGINE CONTROL SYSTEM
B ENGINE
SECTION
ENGINE CONTROL SYSTEM
EC
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CONTENTS
APPLICATION NOTICE ........................................... 18 . How to Check Vehicle Type .................................. 18 . NATS (Nissan Anti-theft System) .......................... 67 . Malfunction Indicator (MI) ...................................... 67 . OBD System Operation Chart ............................... 70 . TROUBLE DIAGNOSIS ........................................... 76 . Trouble Diagnosis Introduction .............................. 76 . DTC Inspection Priority Chart ................................ 80 . Fail-safe Chart ....................................................... 81 . Basic Inspection .................................................... 83 . Symptom Matrix Chart ........................................... 86 . Engine Control Component Parts Location ........... 90 . Circuit Diagram ...................................................... 95 . ECM Harness Connector Terminal Layout ............ 97 . ECM Terminals and Reference Value .................... 97 . CONSULT-II Function (ENGINE) ......................... 104 . Generic Scan Tool (GST) Function ...................... 114 . CONSULT-IIReferenceValueinDataMonitorMode . 115 Major Sensor Reference Graph in Data Monitor Mode .................................................................... 118 . TROUBLE DIAGNOSIS - SPECIFICATION VALUE 120 . Description ........................................................... 120 . Testing Condition ................................................. 120 . Inspection Procedure ........................................... 120 . Diagnostic Procedure .......................................... 121 . TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ...................................................................... 125 . Description ........................................................... 125 . Diagnostic Procedure .......................................... 125 . POWER SUPPLY AND GROUND CIRCUIT .......... 126 . Wiring Diagram .................................................... 126 . Diagnostic Procedure .......................................... 127 . Ground Inspection ............................................... 131 . DTC U1000, U1001 CAN COMMUNICATION LINE. 132 Description ........................................................... 132 . On Board Diagnosis Logic ................................... 132 . DTC Confirmation Procedure .............................. 132 . Wiring Diagram .................................................... 133 . Diagnostic Procedure .......................................... 134 . DTC P0011 IVT CONTROL .................................... 135 . Description ........................................................... 135 .
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CR (WITH EURO-OBD)
INDEX FOR DTC ..................................................... 19 . Alphabetical Index ................................................. 19 . DTC No. Index ...................................................... 22 . PRECAUTIONS ....................................................... 25 . Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" ............................................................... 25 . Maintenance Information ....................................... 25 . On Board Diagnostic (OBD) System of Engine and A/T ......................................................................... 25 . Precaution ............................................................. 26 . Wiring Diagrams and Trouble Diagnosis ............... 28 . PREPARATION ........................................................ 29 . Special Service Tools ............................................ 29 . Commercial Service Tools ..................................... 29 . ENGINE CONTROL SYSTEM ................................. 31 . System Diagram .................................................... 31 . Vacuum Hose Drawing .......................................... 32 . System Chart ........................................................ 33 . Multiport Fuel Injection (MFI) System ................... 33 . Electronic Ignition (EI) System .............................. 35 . Air Conditioning Cut Control .................................. 36 . Fuel Cut Control (at No Load and High Engine Speed) ................................................................... 37 . CAN Communication ............................................. 38 . BASIC SERVICE PROCEDURE ............................. 48 . Idle Speed Check .................................................. 48 . Accelerator Pedal Released Position Learning ..... 49 . Throttle Valve Closed Position Learning ............... 49 . Idle Air Volume Learning ....................................... 49 . Fuel Pressure Check ............................................. 51 . ON BOARD DIAGNOSTIC (OBD) SYSTEM ........... 54 . Introduction ........................................................... 54 . Two Trip Detection Logic ....................................... 54 . Emission-related Diagnostic Information ............... 55 .
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CONSULT-IIReferenceValueinDataMonitorMode . 135 On Board Diagnosis Logic ................................... 136 . DTC Confirmation Procedure .............................. 136 . Diagnostic Procedure .......................................... 137 . Component Inspection ......................................... 138 . Removal and Installation ..................................... 138 . DTC P0031, P0032 HO2S1 HEATER .................... 139 . Description ........................................................... 139 . CONSULT-IIReferenceValueinDataMonitorMode . 139 On Board Diagnosis Logic ................................... 139 . DTC Confirmation Procedure .............................. 139 . Wiring Diagram .................................................... 141 . Diagnostic Procedure .......................................... 142 . Component Inspection ......................................... 144 . Removal and Installation ..................................... 144 . DTC P0037, P0038 HO2S2 HEATER .................... 145 . Description ........................................................... 145 . CONSULT-IIReferenceValueinDataMonitorMode . 145 On Board Diagnosis Logic ................................... 145 . DTC Confirmation Procedure .............................. 145 . Wiring Diagram .................................................... 147 . Diagnostic Procedure .......................................... 148 . Component Inspection ......................................... 150 . Removal and Installation ..................................... 150 . DTC P0107, P0108 MANIFOLD ABSOLUTE PRESSURE SENSOR ...................................................... 151 . Component Description ....................................... 151 . On Board Diagnosis Logic ................................... 151 . DTC Confirmation Procedure .............................. 151 . Wiring Diagram .................................................... 152 . Diagnostic Procedure .......................................... 153 . Component Inspection ......................................... 155 . Removal and Installation ..................................... 156 . DTC P0112, P0113 IAT SENSOR .......................... 157 . Component Description ....................................... 157 . On Board Diagnosis Logic ................................... 157 . DTC Confirmation Procedure .............................. 157 . Wiring Diagram .................................................... 159 . Diagnostic Procedure .......................................... 160 . Component Inspection ......................................... 161 . Removal and Installation ..................................... 161 . DTC P0117, P0118 ECT SENSOR ......................... 162 . Component Description ....................................... 162 . On Board Diagnosis Logic ................................... 162 . DTC Confirmation Procedure .............................. 163 . Wiring Diagram .................................................... 164 . Diagnostic Procedure .......................................... 165 . Component Inspection ......................................... 166 . Removal and Installation ..................................... 167 . DTC P0122, P0123 TP SENSOR ........................... 168 . Component Description ....................................... 168 . CONSULT-IIReferenceValueinDataMonitorMode . 168 On Board Diagnosis Logic ................................... 168 . DTC Confirmation Procedure .............................. 168 . Wiring Diagram .................................................... 170 .
Diagnostic Procedure ........................................... 172 . Component Inspection .........................................174 . Removal and Installation ...................................... 174 . DTC P0132 HO2S1 ................................................ 175 . Component Description ....................................... 175 . CONSULT-IIReferenceValueinDataMonitorMode .175 On Board Diagnosis Logic ................................... 175 . DTC Confirmation Procedure ............................... 176 . Wiring Diagram .................................................... 177 . Diagnostic Procedure ........................................... 178 . Component Inspection .........................................181 . Removal and Installation ...................................... 182 . DTC P0133 HO2S1 ................................................ 183 . Component Description ....................................... 183 . CONSULT-IIReferenceValueinDataMonitorMode .183 On Board Diagnosis Logic ................................... 183 . DTC Confirmation Procedure ............................... 184 . Overall Function Check ........................................ 185 . Wiring Diagram .................................................... 186 . Diagnostic Procedure ........................................... 187 . Component Inspection .........................................191 . Removal and Installation ...................................... 192 . DTC P0134 HO2S1 ................................................ 193 . Component Description ....................................... 193 . CONSULT-IIReferenceValueinDataMonitorMode .193 On Board Diagnosis Logic ................................... 193 . DTC Confirmation Procedure ............................... 194 . Overall Function Check ........................................ 194 . Wiring Diagram .................................................... 196 . Diagnostic Procedure ........................................... 197 . Component Inspection .........................................198 . Removal and Installation ...................................... 200 . DTC P0138 HO2S2 ................................................ 201 . Component Description ....................................... 201 . CONSULT-IIReferenceValueinDataMonitorMode .201 On Board Diagnosis Logic ................................... 201 . DTC Confirmation Procedure ............................... 201 . Wiring Diagram .................................................... 203 . Diagnostic Procedure ........................................... 204 . Component Inspection .........................................205 . Removal and Installation ...................................... 207 . DTC P0139 HO2S2 ................................................ 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 .........................................214 . Removal and Installation ...................................... 216 . DTCP0171FUELINJECTIONSYSTEMFUNCTION .217 On Board Diagnosis Logic ................................... 217 . DTC Confirmation Procedure ............................... 217 .
EC-2
Wiring Diagram ................................................... 219 . Diagnostic Procedure .......................................... 221 . DTCP0172FUELINJECTIONSYSTEMFUNCTION 225 . On Board Diagnosis Logic .................................. 225 . DTC Confirmation Procedure .............................. 225 . Wiring Diagram ................................................... 227 . Diagnostic Procedure .......................................... 229 . DTC P0222, P0223 TP SENSOR .......................... 232 . Component Description ....................................... 232 . CONSULT-IIReferenceValueinDataMonitorMode . 232 On Board Diagnosis Logic .................................. 232 . DTC Confirmation Procedure .............................. 232 . Wiring Diagram ................................................... 234 . Diagnostic Procedure .......................................... 236 . Component Inspection ........................................ 238 . Removal and Installation ..................................... 238 . DTC P0300 - P0304 MULTIPLE CYLINDER MISFIRE, NO. 1 - 4 CYLINDER MISFIRE .................... 239 . On Board Diagnosis Logic .................................. 239 . DTC Confirmation Procedure .............................. 239 . Diagnostic Procedure .......................................... 240 . DTC P0327, P0328 KS .......................................... 244 . Component Description ....................................... 244 . On Board Diagnosis Logic .................................. 244 . DTC Confirmation Procedure .............................. 244 . Wiring Diagram ................................................... 245 . Diagnostic Procedure .......................................... 246 . Component Inspection ........................................ 247 . Removal and Installation ..................................... 247 . DTC P0335 CKP SENSOR (POS) ......................... 248 . Component Description ....................................... 248 . CONSULT-IIReferenceValueinDataMonitorMode . 248 On Board Diagnosis Logic .................................. 248 . DTC Confirmation Procedure .............................. 248 . Wiring Diagram ................................................... 249 . Diagnostic Procedure .......................................... 251 . Component Inspection ........................................ 253 . Removal and Installation ..................................... 253 . DTC P0340 CMP SENSOR (PHASE) .................... 254 . Component Description ....................................... 254 . On Board Diagnosis Logic .................................. 254 . DTC Confirmation Procedure .............................. 254 . Wiring Diagram ................................................... 255 . Diagnostic Procedure .......................................... 256 . Component Inspection ........................................ 258 . Removal and Installation ..................................... 259 . DTC P0420 THREE WAY CATALYST FUNCTION. 260 On Board Diagnosis Logic .................................. 260 . DTC Confirmation Procedure .............................. 260 . Overall Function Check ....................................... 261 . Diagnostic Procedure .......................................... 262 . DTC P0444 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE ............................. 264 . Description .......................................................... 264 . CONSULT-IIReferenceValueinDataMonitorMode . 264 On Board Diagnosis Logic .................................. 264 .
DTC Confirmation Procedure .............................. 265 . Wiring Diagram .................................................... 266 . Diagnostic Procedure .......................................... 268 . Component Inspection ......................................... 269 . Removal and Installation ..................................... 270 . DTC P0500 VSS ..................................................... 271 . Description ........................................................... 271 . On Board Diagnosis Logic ................................... 271 . DTC Confirmation Procedure .............................. 271 . Overall Function Check ....................................... 272 . Diagnostic Procedure .......................................... 272 . DTC P0605 ECM .................................................... 273 . Component Description ....................................... 273 . On Board Diagnosis Logic ................................... 273 . DTC Confirmation Procedure .............................. 273 . Diagnostic Procedure .......................................... 274 . DTC P1065 ECM POWER SUPPLY ...................... 276 . Component Description ....................................... 276 . On Board Diagnosis Logic ................................... 276 . DTC Confirmation Procedure .............................. 276 . Wiring Diagram .................................................... 277 . Diagnostic Procedure .......................................... 278 . DTC P1111 IVT CONTROL SOLENOID VALVE .... 280 . Component Description ....................................... 280 . CONSULT-IIReferenceValueinDataMonitorMode . 280 On Board Diagnosis Logic ................................... 280 . DTC Confirmation Procedure .............................. 280 . Wiring Diagram .................................................... 281 . Diagnostic Procedure .......................................... 283 . Component Inspection ......................................... 284 . Removal and Installation ..................................... 284 . DTC P1121 ELECTRIC THROTTLE CONTROL ACTUATOR ............................................................ 285 . Component Description ....................................... 285 . On Board Diagnosis Logic ................................... 285 . DTC Confirmation Procedure .............................. 285 . Diagnostic Procedure .......................................... 286 . DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION ............................................................. 287 . Description ........................................................... 287 . On Board Diagnosis Logic ................................... 287 . DTC Confirmation Procedure .............................. 287 . Wiring Diagram .................................................... 288 . Diagnostic Procedure .......................................... 289 . Component Inspection ......................................... 292 . Removal and Installation ..................................... 292 . DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAY .................................................................... 293 . Component Description ....................................... 293 . CONSULT-IIReferenceValueinDataMonitorMode . 293 On Board Diagnosis Logic ................................... 293 . DTC Confirmation Procedure .............................. 293 . Wiring Diagram .................................................... 295 . Diagnostic Procedure .......................................... 296 . DTC P1128 THROTTLE CONTROL MOTOR ........ 299 . Component Description ....................................... 299 . On Board Diagnosis Logic ................................... 299 .
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DTC Confirmation Procedure .............................. 299 . Wiring Diagram .................................................... 300 . Diagnostic Procedure .......................................... 301 . Component Inspection ......................................... 302 . Removal and Installation ..................................... 303 . DTC P1143 HO2S1 ................................................ 304 . Component Description ....................................... 304 . CONSULT-IIReferenceValueinDataMonitorMode . 304 On Board Diagnosis Logic ................................... 304 . DTC Confirmation Procedure .............................. 305 . Overall Function Check ....................................... 306 . Diagnostic Procedure .......................................... 306 . Component Inspection ......................................... 308 . Removal and Installation ..................................... 309 . DTC P1144 HO2S1 ................................................ 310 . Component Description ....................................... 310 . CONSULT-IIReferenceValueinDataMonitorMode . 310 On Board Diagnosis Logic ................................... 310 . DTC Confirmation Procedure .............................. 311 . Overall Function Check ....................................... 312 . Diagnostic Procedure .......................................... 312 . Component Inspection ......................................... 314 . Removal and Installation ..................................... 315 . DTC P1146 HO2S2 ................................................ 316 . Component Description ....................................... 316 . CONSULT-IIReferenceValueinDataMonitorMode . 316 On Board Diagnosis Logic ................................... 316 . DTC Confirmation Procedure .............................. 317 . Overall Function Check ....................................... 318 . Wiring Diagram .................................................... 319 . Diagnostic Procedure .......................................... 320 . Component Inspection ......................................... 322 . Removal and Installation ..................................... 324 . DTC P1147 HO2S2 ................................................ 325 . Component Description ....................................... 325 . CONSULT-IIReferenceValueinDataMonitorMode . 325 On Board Diagnosis Logic ................................... 325 . DTC Confirmation Procedure .............................. 326 . Overall Function Check ....................................... 327 . Wiring Diagram .................................................... 328 . Diagnostic Procedure .......................................... 329 . Component Inspection ......................................... 331 . Removal and Installation ..................................... 333 . DTC P1171 INTAKE ERROR ................................. 334 . On Board Diagnosis Logic ................................... 334 . DTC Confirmation Procedure .............................. 334 . Wiring Diagram .................................................... 335 . Diagnostic Procedure .......................................... 336 . DTC P1211 TCS CONTROL UNIT ......................... 339 . Description ........................................................... 339 . On Board Diagnosis Logic ................................... 339 . DTC Confirmation Procedure .............................. 339 . Diagnostic Procedure .......................................... 339 . DTC P1212 TCS COMMUNICATION LINE ........... 340 . Description ........................................................... 340 .
On Board Diagnosis Logic ................................... 340 . DTC Confirmation Procedure ............................... 340 . Diagnostic Procedure ........................................... 340 . DTC P1217 ENGINE OVER TEMPERATURE ....... 341 . System Description .............................................. 341 . CONSULT-IIReferenceValueinDataMonitorMode .342 On Board Diagnosis Logic ................................... 342 . Overall Function Check ........................................ 343 . Wiring Diagram .................................................... 345 . Diagnostic Procedure ........................................... 347 . Main 12 Causes of Overheating .......................... 354 . Component Inspection .........................................355 . DTC P1225 TP SENSOR ....................................... 356 . Component Description ....................................... 356 . On Board Diagnosis Logic ................................... 356 . DTC Confirmation Procedure ............................... 356 . Diagnostic Procedure ........................................... 357 . Removal and Installation ...................................... 357 . DTC P1226 TP SENSOR ....................................... 358 . Component Description ....................................... 358 . On Board Diagnosis Logic ................................... 358 . DTC Confirmation Procedure ............................... 358 . Diagnostic Procedure ........................................... 359 . Removal and Installation ...................................... 359 . DTC P1229 SENSOR POWER SUPPLY ............... 360 . On Board Diagnosis Logic ................................... 360 . DTC Confirmation Procedure ............................... 360 . Wiring Diagram .................................................... 361 . Diagnostic Procedure ........................................... 365 . DTC P1706 PNP SWITCH ...................................... 367 . Component Description ....................................... 367 . CONSULT-IIReferenceValueinDataMonitorMode .367 On Board Diagnosis Logic ................................... 367 . DTC Confirmation Procedure ............................... 367 . Overall Function Check ........................................ 368 . Wiring Diagram .................................................... 369 . Diagnostic Procedure ........................................... 370 . DTC P1805 BRAKE SWITCH ................................ 374 . Description ........................................................... 374 . CONSULT-IIReferenceValueinDataMonitorMode .374 On Board Diagnosis Logic ................................... 374 . FAIL-SAFE MODE ............................................... 374 . DTC Confirmation Procedure ............................... 374 . Wiring Diagram .................................................... 376 . Diagnostic Procedure ........................................... 377 . Component Inspection .........................................379 . DTC P2122, P2123 APP SENSOR ........................ 380 . Component Description ....................................... 380 . CONSULT-IIReferenceValueinDataMonitorMode .380 On Board Diagnosis Logic ................................... 380 . DTC Confirmation Procedure ............................... 381 . Wiring Diagram .................................................... 382 . Diagnostic Procedure ........................................... 385 . Component Inspection .........................................387 . Removal and Installation ...................................... 388 .
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DTC P2127, P2128 APP SENSOR ....................... 389 . Component Description ....................................... 389 . CONSULT-IIReferenceValueinDataMonitorMode . 389 On Board Diagnosis Logic .................................. 389 . DTC Confirmation Procedure .............................. 390 . Wiring Diagram ................................................... 391 . Diagnostic Procedure .......................................... 394 . Component Inspection ........................................ 397 . Removal and Installation ..................................... 397 . DTC P2135 TP SENSOR ....................................... 398 . Component Description ....................................... 398 . CONSULT-IIReferenceValueinDataMonitorMode . 398 On Board Diagnosis Logic .................................. 398 . DTC Confirmation Procedure .............................. 399 . Wiring Diagram ................................................... 400 . Diagnostic Procedure .......................................... 402 . Component Inspection ........................................ 404 . Removal and Installation ..................................... 404 . DTC P2138 APP SENSOR .................................... 405 . Component Description ....................................... 405 . CONSULT-IIReferenceValueinDataMonitorMode . 405 On Board Diagnosis Logic .................................. 405 . DTC Confirmation Procedure .............................. 406 . Wiring Diagram ................................................... 407 . Diagnostic Procedure .......................................... 410 . Component Inspection ........................................ 414 . Removal and Installation ..................................... 414 . IGNITION SIGNAL ................................................. 415 . Component Description ....................................... 415 . Wiring Diagram ................................................... 416 . Diagnostic Procedure .......................................... 419 . Component Inspection ........................................ 423 . Removal and Installation ..................................... 424 . FUEL INJECTOR ................................................... 425 . Component Description ....................................... 425 . CONSULT-IIReferenceValueinDataMonitorMode . 425 Wiring Diagram ................................................... 426 . Diagnostic Procedure .......................................... 427 . Component Inspection ........................................ 430 . Removal and Installation ..................................... 430 . FUEL PUMP .......................................................... 431 . Description .......................................................... 431 . CONSULT-IIReferenceValueinDataMonitorMode . 431 Wiring Diagram ................................................... 432 . Diagnostic Procedure .......................................... 433 . Component Inspection ........................................ 435 . Removal and Installation ..................................... 435 . REFRIGERANT PRESSURE SENSOR ................ 436 . Component Description ....................................... 436 . Wiring Diagram ................................................... 437 . Diagnostic Procedure .......................................... 438 . Removal and Installation ..................................... 440 . ELECTRICAL LOAD SIGNAL ............................... 441 . Description .......................................................... 441 .
CONSULT-IIReferenceValueinDataMonitorMode . 441 Diagnostic Procedure .......................................... 441 . MI & DATA LINK CONNECTORS .......................... 442 . Wiring Diagram (LHD Models) ............................. 442 . Wiring Diagram (RHD Models) ............................ 443 . EVAPORATIVE EMISSION SYSTEM .................... 444 . Description ........................................................... 444 . Component Inspection ......................................... 447 . POSITIVE CRANKCASE VENTILATION .............. 448 . Description ........................................................... 448 . Component Inspection ......................................... 448 . SERVICE DATA AND SPECIFICATIONS (SDS) ... 450 . Fuel Pressure ...................................................... 450 . Idle Speed ........................................................... 450 . Calculated Load Value ......................................... 450 . Manifold Absolute Pressure Sensor .................... 450 . Intake Air Temperature Sensor ............................ 450 . Engine Coolant Temperature Sensor .................. 450 . Heated Oxygen Sensor 1 Heater ........................ 450 . Heated Oxygen Sensor 2 Heater ........................ 450 . Crankshaft Position Sensor (POS) ...................... 450 . Camshaft Position Sensor (PHASE) ................... 450 . Throttle Control Motor .......................................... 450 . Fuel Injector ......................................................... 450 . Fuel Pump ........................................................... 451 .
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CR (WITHOUT EURO-OBD)
INDEX FOR DTC .................................................... 452 . Alphabetical Index ............................................... 452 . DTC No. Index ..................................................... 454 . PRECAUTIONS ..................................................... 456 . Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" .............................................................. 456 . Maintenance Information ..................................... 456 . On Board Diagnostic (OBD) System of Engine ... 456 . Precaution ........................................................... 457 . Wiring Diagrams and Trouble Diagnosis ............. 459 . PREPARATION ...................................................... 460 . Special Service Tools .......................................... 460 . Commercial Service Tools ................................... 460 . ENGINE CONTROL SYSTEM ............................... 462 . System Diagram .................................................. 462 . Vacuum Hose Drawing ........................................ 463 . System Chart ....................................................... 464 . Multiport Fuel Injection (MFI) System .................. 464 . Electronic Ignition (EI) System ............................ 466 . Air Conditioning Cut Control ................................ 467 . Fuel Cut Control (at No Load and High Engine Speed) ................................................................. 468 . CAN Communication ........................................... 469 . BASIC SERVICE PROCEDURE ............................ 479 . Idle Speed Check ................................................ 479 . Accelerator Pedal Released Position Learning ... 479 . Throttle Valve Closed Position Learning .............. 479 . Idle Air Volume Learning ..................................... 479 . Fuel Pressure Check ........................................... 482 .
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ON BOARD DIAGNOSTIC (OBD) SYSTEM ......... 484 . Introduction .......................................................... 484 . Two Trip Detection Logic ..................................... 484 . Emission-related Diagnostic Information ............. 484 . NATS (Nissan Anti-theft System) ......................... 487 . Malfunction Indicator (MI) .................................... 487 . TROUBLE DIAGNOSIS ......................................... 491 . Trouble Diagnosis Introduction ............................ 491 . DTC Inspection Priority Chart .............................. 495 . Fail-safe Chart ..................................................... 496 . Basic Inspection .................................................. 497 . Symptom Matrix Chart ......................................... 500 . Engine Control Component Parts Location ......... 504 . Circuit Diagram .................................................... 509 . ECM Harness Connector Terminal Layout .......... 511 . ECM Terminals and Reference Value .................. 511 . CONSULT-II Function (ENGINE) ......................... 518 . CONSULT-IIReferenceValueinDataMonitorMode . 527 Major Sensor Reference Graph in Data Monitor Mode .................................................................... 530 . TROUBLE DIAGNOSIS - SPECIFICATION VALUE 533 . Description ........................................................... 533 . Testing Condition ................................................. 533 . Inspection Procedure ........................................... 533 . Diagnostic Procedure .......................................... 534 . TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ...................................................................... 538 . Description ........................................................... 538 . Diagnostic Procedure .......................................... 538 . POWER SUPPLY AND GROUND CIRCUIT .......... 539 . Wiring Diagram .................................................... 539 . Diagnostic Procedure .......................................... 540 . Ground Inspection ............................................... 544 . DTC U1000, U1001 CAN COMMUNICATION LINE. 545 Description ........................................................... 545 . On Board Diagnosis Logic ................................... 545 . DTC Confirmation Procedure .............................. 545 . Wiring Diagram .................................................... 546 . Diagnostic Procedure .......................................... 547 . DTC P0011 IVT CONTROL .................................... 548 . Description ........................................................... 548 . CONSULT-IIReferenceValueinDataMonitorMode . 548 On Board Diagnosis Logic ................................... 549 . DTC Confirmation Procedure .............................. 549 . Overall Function Check ....................................... 550 . Diagnostic Procedure .......................................... 550 . Component Inspection ......................................... 551 . Removal and Installation ..................................... 552 . DTC P0107, P0108 MANIFOLD ABSOLUTE PRESSURE SENSOR ...................................................... 553 . Component Description ....................................... 553 . On Board Diagnosis Logic ................................... 553 . DTC Confirmation Procedure .............................. 553 . Wiring Diagram .................................................... 554 . Diagnostic Procedure .......................................... 555 . Component Inspection ......................................... 557 . Removal and Installation ..................................... 558 .
DTC P0117, P0118 ECT SENSOR ......................... 559 . Component Description ....................................... 559 . On Board Diagnosis Logic ................................... 559 . DTC Confirmation Procedure ............................... 560 . Wiring Diagram .................................................... 561 . Diagnostic Procedure ........................................... 562 . Component Inspection .........................................563 . Removal and Installation ...................................... 564 . DTC P0122, P0123 TP SENSOR ........................... 565 . Component Description ....................................... 565 . CONSULT-IIReferenceValueinDataMonitorMode .565 On Board Diagnosis Logic ................................... 565 . DTC Confirmation Procedure ............................... 565 . Wiring Diagram .................................................... 567 . Diagnostic Procedure ........................................... 569 . Component Inspection .........................................571 . Removal and Installation ...................................... 571 . DTC P0132 HO2S1 ................................................ 572 . Component Description ....................................... 572 . CONSULT-IIReferenceValueinDataMonitorMode .572 On Board Diagnosis Logic ................................... 572 . DTC Confirmation Procedure ............................... 573 . Wiring Diagram .................................................... 574 . Diagnostic Procedure ........................................... 575 . Component Inspection .........................................577 . Removal and Installation ...................................... 578 . DTC P0134 HO2S1 ................................................ 579 . Component Description ....................................... 579 . CONSULT-IIReferenceValueinDataMonitorMode .579 On Board Diagnosis Logic ................................... 579 . Overall Function Check ........................................ 580 . Wiring Diagram .................................................... 581 . Diagnostic Procedure ........................................... 582 . Component Inspection .........................................583 . Removal and Installation ...................................... 585 . DTC P0138 HO2S2 ................................................ 586 . Component Description ....................................... 586 . CONSULT-IIReferenceValueinDataMonitorMode .586 On Board Diagnosis Logic ................................... 586 . DTC Confirmation Procedure ............................... 586 . Wiring Diagram .................................................... 588 . Diagnostic Procedure ........................................... 589 . Component Inspection .........................................590 . Removal and Installation ...................................... 592 . DTC P0222, P0223 TP SENSOR ........................... 593 . Component Description ....................................... 593 . CONSULT-IIReferenceValueinDataMonitorMode .593 On Board Diagnosis Logic ................................... 593 . DTC Confirmation Procedure ............................... 593 . Wiring Diagram .................................................... 595 . Diagnostic Procedure ........................................... 597 . Component Inspection .........................................599 . Removal and Installation ...................................... 599 .
EC-6
DTC P0327, P0328 KS .......................................... 600 . Component Description ....................................... 600 . On Board Diagnosis Logic .................................. 600 . DTC Confirmation Procedure .............................. 600 . Wiring Diagram ................................................... 601 . Diagnostic Procedure .......................................... 602 . Component Inspection ........................................ 603 . Removal and Installation ..................................... 603 . DTC P0335 CKP SENSOR (POS) ......................... 604 . Component Description ....................................... 604 . CONSULT-IIReferenceValueinDataMonitorMode . 604 On Board Diagnosis Logic .................................. 604 . DTC Confirmation Procedure .............................. 604 . Wiring Diagram ................................................... 606 . Diagnostic Procedure .......................................... 608 . Component Inspection ........................................ 610 . Removal and Installation ..................................... 610 . DTC P0340 CMP SENSOR (PHASE) .....................611 . Component Description ........................................611 . On Board Diagnosis Logic ...................................611 . DTC Confirmation Procedure ...............................611 . Wiring Diagram ................................................... 613 . Diagnostic Procedure .......................................... 614 . Component Inspection ........................................ 616 . Removal and Installation ..................................... 617 . DTC P0605 ECM ................................................... 618 . Component Description ....................................... 618 . On Board Diagnosis Logic .................................. 618 . DTC Confirmation Procedure .............................. 618 . Diagnostic Procedure .......................................... 620 . DTC P1065 ECM POWER SUPPLY ...................... 621 . Component Description ....................................... 621 . On Board Diagnosis Logic .................................. 621 . DTC Confirmation Procedure .............................. 621 . Wiring Diagram ................................................... 622 . Diagnostic Procedure .......................................... 623 . DTC P1111 IVT CONTROL SOLENOID VALVE ... 625 . Component Description ....................................... 625 . CONSULT-IIReferenceValueinDataMonitorMode . 625 On Board Diagnosis Logic .................................. 625 . DTC Confirmation Procedure .............................. 625 . Wiring Diagram ................................................... 627 . Diagnostic Procedure .......................................... 629 . Component Inspection ........................................ 630 . Removal and Installation ..................................... 630 . DTC P1121 ELECTRIC THROTTLE CONTROL ACTUATOR ........................................................... 631 . Component Description ....................................... 631 . On Board Diagnosis Logic .................................. 631 . DTC Confirmation Procedure .............................. 631 . Diagnostic Procedure .......................................... 632 . DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION ............................................................. 634 . Description .......................................................... 634 . On Board Diagnosis Logic .................................. 634 . DTC Confirmation Procedure .............................. 634 . Wiring Diagram ................................................... 635 .
Diagnostic Procedure .......................................... 636 . Component Inspection ......................................... 639 . Removal and Installation ..................................... 639 . DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAY .................................................................... 640 . Component Description ....................................... 640 . CONSULT-IIReferenceValueinDataMonitorMode . 640 On Board Diagnosis Logic ................................... 640 . DTC Confirmation Procedure .............................. 640 . Wiring Diagram .................................................... 642 . Diagnostic Procedure .......................................... 643 . DTC P1128 THROTTLE CONTROL MOTOR ........ 646 . Component Description ....................................... 646 . On Board Diagnosis Logic ................................... 646 . DTC Confirmation Procedure .............................. 646 . Wiring Diagram .................................................... 647 . Diagnostic Procedure .......................................... 648 . Component Inspection ......................................... 649 . Removal and Installation ..................................... 650 . DTC P1171 INTAKE ERROR ................................. 651 . On Board Diagnosis Logic ................................... 651 . DTC Confirmation Procedure .............................. 651 . Wiring Diagram .................................................... 653 . Diagnostic Procedure .......................................... 654 . DTC P1212 TCS COMMUNICATION LINE ........... 657 . Description ........................................................... 657 . On Board Diagnosis Logic ................................... 657 . DTC Confirmation Procedure .............................. 657 . Diagnostic Procedure .......................................... 657 . DTC P1217 ENGINE OVER TEMPERATURE ....... 658 . System Description .............................................. 658 . CONSULT-IIReferenceValueinDataMonitorMode . 659 On Board Diagnosis Logic ................................... 659 . Overall Function Check ....................................... 660 . Wiring Diagram .................................................... 662 . Diagnostic Procedure .......................................... 664 . Main 12 Causes of Overheating .......................... 671 . Component Inspection ......................................... 672 . DTC P1225 TP SENSOR ....................................... 673 . Component Description ....................................... 673 . On Board Diagnosis Logic ................................... 673 . DTC Confirmation Procedure .............................. 673 . Diagnostic Procedure .......................................... 674 . Removal and Installation ..................................... 674 . DTC P1226 TP SENSOR ....................................... 675 . Component Description ....................................... 675 . On Board Diagnosis Logic ................................... 675 . DTC Confirmation Procedure .............................. 675 . Diagnostic Procedure .......................................... 676 . Removal and Installation ..................................... 676 . DTC P1229 SENSOR POWER SUPPLY ............... 677 . On Board Diagnosis Logic ................................... 677 . DTC Confirmation Procedure .............................. 677 . Wiring Diagram .................................................... 678 . Diagnostic Procedure .......................................... 682 . DTC P1706 PNP SWITCH ..................................... 684 . Component Description ....................................... 684 .
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CONSULT-IIReferenceValueinDataMonitorMode . 684 On Board Diagnosis Logic ................................... 684 . Overall Function Check ....................................... 684 . Wiring Diagram .................................................... 685 . Diagnostic Procedure .......................................... 686 . DTC P1805 BRAKE SWITCH ................................ 690 . Description ........................................................... 690 . CONSULT-IIReferenceValueinDataMonitorMode . 690 On Board Diagnosis Logic ................................... 690 . FAIL-SAFE MODE ............................................... 690 . DTC Confirmation Procedure .............................. 690 . Wiring Diagram .................................................... 692 . Diagnostic Procedure .......................................... 693 . Component Inspection ......................................... 695 . DTC P2122, P2123 APP SENSOR ........................ 696 . Component Description ....................................... 696 . CONSULT-IIReferenceValueinDataMonitorMode . 696 On Board Diagnosis Logic ................................... 696 . DTC Confirmation Procedure .............................. 696 . Wiring Diagram .................................................... 698 . Diagnostic Procedure .......................................... 701 . Component Inspection ......................................... 703 . Removal and Installation ..................................... 704 . DTC P2127, P2128 APP SENSOR ........................ 705 . Component Description ....................................... 705 . CONSULT-IIReferenceValueinDataMonitorMode . 705 On Board Diagnosis Logic ................................... 705 . DTC Confirmation Procedure .............................. 705 . Wiring Diagram .................................................... 707 . Diagnostic Procedure .......................................... 710 . Component Inspection ......................................... 713 . Removal and Installation ..................................... 713 . DTC P2135 TP SENSOR ....................................... 714 . Component Description ....................................... 714 . CONSULT-IIReferenceValueinDataMonitorMode . 714 On Board Diagnosis Logic ................................... 714 . DTC Confirmation Procedure .............................. 714 . Wiring Diagram .................................................... 716 . Diagnostic Procedure .......................................... 718 . Component Inspection ......................................... 720 . Removal and Installation ..................................... 720 . DTC P2138 APP SENSOR .................................... 721 . Component Description ....................................... 721 . CONSULT-IIReferenceValueinDataMonitorMode . 721 On Board Diagnosis Logic ................................... 721 . DTC Confirmation Procedure .............................. 722 . Wiring Diagram .................................................... 723 . Diagnostic Procedure .......................................... 726 . Component Inspection ......................................... 730 . Removal and Installation ..................................... 730 . HO2S1 HEATER .................................................... 731 . Description ........................................................... 731 . CONSULT-IIReferenceValueinDataMonitorMode
.731 Wiring Diagram .................................................... 732 . Diagnostic Procedure ........................................... 733 . Component Inspection .........................................735 . Removal and Installation ...................................... 735 . HO2S2 HEATER ..................................................... 736 . Description ........................................................... 736 . CONSULT-IIReferenceValueinDataMonitorMode .736 Wiring Diagram .................................................... 737 . Diagnostic Procedure ........................................... 738 . Component Inspection .........................................740 . Removal and Installation ...................................... 740 . IAT SENSOR .......................................................... 741 . Component Description ....................................... 741 . Wiring Diagram .................................................... 742 . Diagnostic Procedure ........................................... 743 . Component Inspection .........................................745 . Removal and Installation ...................................... 745 . HO2S1 .................................................................... 746 . Component Description ....................................... 746 . CONSULT-IIReferenceValueinDataMonitorMode .746 Wiring Diagram .................................................... 747 . Diagnostic Procedure ........................................... 749 . Component Inspection .........................................750 . Removal and Installation ...................................... 752 . HO2S2 .................................................................... 753 . Component Description ....................................... 753 . CONSULT-IIReferenceValueinDataMonitorMode .753 Wiring Diagram .................................................... 754 . Diagnostic Procedure ........................................... 755 . Component Inspection .........................................757 . Removal and Installation ...................................... 758 . IGNITION SIGNAL ................................................. 759 . Component Description ....................................... 759 . Wiring Diagram .................................................... 760 . Diagnostic Procedure ........................................... 763 . Component Inspection .........................................767 . Removal and Installation ...................................... 768 . EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE ................................................. 769 . Description ........................................................... 769 . CONSULT-IIReferenceValueinDataMonitorMode .769 Wiring Diagram .................................................... 770 . Diagnostic Procedure ........................................... 772 . Component Inspection .........................................774 . Removal and Installation ...................................... 775 . VSS ......................................................................... 776 . Description ........................................................... 776 . Diagnostic Procedure ........................................... 776 . FUEL INJECTOR .................................................... 777 . Component Description ....................................... 777 . CONSULT-IIReferenceValueinDataMonitorMode .777 Wiring Diagram .................................................... 778 . Diagnostic Procedure ........................................... 779 .
EC-8
Component Inspection ........................................ 782 . Removal and Installation ..................................... 782 . FUEL PUMP .......................................................... 783 . Description .......................................................... 783 . CONSULT-IIReferenceValueinDataMonitorMode . 783 Wiring Diagram ................................................... 784 . Diagnostic Procedure .......................................... 785 . Component Inspection ........................................ 787 . Removal and Installation ..................................... 787 . REFRIGERANT PRESSURE SENSOR ................ 788 . Component Description ....................................... 788 . Wiring Diagram ................................................... 789 . Diagnostic Procedure .......................................... 790 . Removal and Installation ..................................... 792 . ELECTRICAL LOAD SIGNAL ............................... 793 . Description .......................................................... 793 . CONSULT-IIReferenceValueinDataMonitorMode . 793 Diagnostic Procedure .......................................... 793 . MI & DATA LINK CONNECTORS ......................... 794 . Wiring Diagram (LHD Models) ............................ 794 . Wiring Diagram (RHD Models) ............................ 795 . EVAPORATIVE EMISSION SYSTEM .................... 796 . Description .......................................................... 796 . Component Inspection ........................................ 799 . POSITIVE CRANKCASE VENTILATION .............. 800 . Description .......................................................... 800 . Component Inspection ........................................ 800 . SERVICE DATA AND SPECIFICATIONS (SDS) ... 802 . Fuel Pressure ...................................................... 802 . Idle Speed ........................................................... 802 . Calculated Load Value ........................................ 802 . Manifold Absolute Pressure Sensor .................... 802 . Intake Air Temperature Sensor ........................... 802 . Engine Coolant Temperature Sensor .................. 802 . Heated Oxygen Sensor 1 Heater ........................ 802 . Heated Oxygen Sensor 2 Heater ........................ 802 . Crankshaft Position Sensor (POS) ...................... 802 . Camshaft Position Sensor (PHASE) ................... 802 . Throttle Control Motor ......................................... 802 . Fuel Injector ........................................................ 802 . Fuel Pump ........................................................... 803 .
HR (WITH EURO-OBD)
INDEX FOR DTC ................................................... 804 . DTC No. Index .................................................... 804 . Alphabetical Index ............................................... 806 . PRECAUTIONS ..................................................... 808 . Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" ............................................................. 808 . PrecautionsforProcedureswithoutCowlTopCover 808 . On Board Diagnostic (OBD) System of Engine ... 808 . Precaution ........................................................... 809 . PREPARATION ...................................................... 812 . Special Service Tools .......................................... 812 . Commercial Service Tools ................................... 813 .
ENGINE CONTROL SYSTEM ............................... 814 . System Diagram .................................................. 814 . Multiport Fuel Injection (MFI) System .................. 815 . Electronic Ignition (EI) System ............................ 817 . Fuel Cut Control (at No Load and High Engine Speed) ................................................................. 818 . AIR CONDITIONING CUT CONTROL ................... 819 . Input/Output Signal Chart .................................... 819 . System Description .............................................. 819 . CAN COMMUNICATION ........................................ 820 . System Description .............................................. 820 . CAN Communication Unit .................................... 820 . EVAPORATIVE EMISSION SYSTEM .................... 825 . Description ........................................................... 825 . Component Inspection ......................................... 828 . NATS (NISSAN ANTI-THEFT SYSTEM) ............... 829 . Description ........................................................... 829 . POSITIVE CRANKCASE VENTILATION .............. 830 . Description ........................................................... 830 . Component Inspection ......................................... 830 . ON BOARD DIAGNOSTIC (OBD) SYSTEM ......... 832 . Introduction .......................................................... 832 . Two Trip Detection Logic ..................................... 832 . Emission-related Diagnostic Information ............. 833 . Malfunction Indicator (MI) .................................... 843 . OBD System Operation Chart ............................. 847 . BASIC SERVICE PROCEDURE ............................ 852 . Basic Inspection .................................................. 852 . Idle Speed and Ignition Timing Check ................. 857 . Accelerator Pedal Released Position Learning ... 858 . Throttle Valve Closed Position Learning .............. 858 . Idle Air Volume Learning ..................................... 859 . Fuel Pressure Check ........................................... 861 . TROUBLE DIAGNOSIS ......................................... 864 . Trouble Diagnosis Introduction ............................ 864 . DTC Inspection Priority Chart .............................. 870 . Fail-Safe Chart .................................................... 871 . Symptom Matrix Chart ......................................... 872 . Engine Control Component Parts Location ......... 876 . Vacuum Hose Drawing ........................................ 881 . Circuit Diagram .................................................... 882 . ECM Harness Connector Terminal Layout .......... 884 . ECM Terminals and Reference Value .................. 884 . CONSULT-II Function (ENGINE) ......................... 891 . Generic Scan Tool (GST) Function ...................... 901 . CONSULT-II Reference Value in Data Monitor .... 903 . Major Sensor Reference Graph in Data Monitor Mode .................................................................... 906 . TROUBLE DIAGNOSIS - SPECIFICATION VALUE 908 . Description ........................................................... 908 . Testing Condition ................................................. 908 . Inspection Procedure ........................................... 908 . Diagnostic Procedure .......................................... 909 . TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ...................................................................... 918 . Description ........................................................... 918 . Diagnostic Procedure .......................................... 918 . POWER SUPPLY AND GROUND CIRCUIT .......... 919 . Wiring Diagram .................................................... 919 .
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Diagnostic Procedure .......................................... 920 . Ground Inspection ............................................... 924 . DTC U1001 CAN COMMUNICATION LINE ........... 926 . Description ........................................................... 926 . On Board Diagnosis Logic ................................... 926 . DTC Confirmation Procedure .............................. 926 . Wiring Diagram .................................................... 927 . Diagnostic Procedure .......................................... 928 . DTC U1010 CAN COMMUNICATION .................... 929 . Description ........................................................... 929 . On Board Diagnosis Logic ................................... 929 . DTC Confirmation Procedure .............................. 929 . Diagnostic Procedure .......................................... 930 . DTC P0011 IVT CONTROL .................................... 931 . Description ........................................................... 931 . CONSULT-IIReferenceValueinDataMonitorMode . 931 On Board Diagnosis Logic ................................... 932 . DTC Confirmation Procedure .............................. 932 . Diagnostic Procedure .......................................... 933 . Component Inspection ......................................... 934 . Removal and Installation ..................................... 934 . DTC P0102, P0103 MAF SENSOR ........................ 935 . Component Description ....................................... 935 . CONSULT-IIReferenceValueinDataMonitorMode . 935 On Board Diagnosis Logic