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Precaution for Procedure without Cowl Top Cover ....29On Board Diagnosis (OBD) System of Engine and TEM-NATS) .......................................................57
Description ...............................................................57CVT .........................................................................29Precaution ...............................................................30
PREPARATION ..................................................34Special Service Tool ...............................................34Commercial Service Tool ........................................34
ENGINE CONTROL SYSTEM ............................36Schematic ...............................................................36
FUEL FILLER CAP WARNING SYSTEM .........58System Diagram .....................................................58System Description ..................................................58
ON BOARD DIAGNOSTIC (OBD) SYSTEM ....60Introduction ..............................................................60Two Trip Detection Logic .........................................60Emission-related Diagnostic Information .................61ENGINE
SECTION EC ECONTENTS
ENGINE CONTROL SYSTEM
MR20DE (FOR CALIFORNIA)
SERVICE INFORMATION ...........................23
INDEX FOR DTC ................................................23U0101-U1001 ..........................................................23P0011-P0075 ..........................................................23P0101-P0128 ..........................................................23P0130-P0198 ..........................................................24P0222-P0420 ..........................................................24P0441-P0463 ..........................................................25P0500-P0643 ..........................................................25P0705-P0840 ..........................................................26P0850-P1574 ..........................................................26P1610-P1615 ..........................................................27P1715-P1805 ..........................................................27P2004-P2A00 ..........................................................27
PRECAUTIONS ..................................................29Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-SIONER" .................................................................29
AUTOMATIC SPEED CONTROL DEVICE (ASCD) ..............................................................42
System Description ..................................................42Component Description ...........................................43
CAN COMMUNICATION ...................................44System Description ..................................................44
EVAPORATIVE EMISSION SYSTEM ...............45Description ...............................................................45Component Inspection .............................................47
ON BOARD REFUELING VAPOR RECOV-ERY (ORVR) ......................................................49
System Description ..................................................49Diagnosis Procedure ...............................................49Component Inspection .............................................52
POSITIVE CRANKCASE VENTILATION .........55Description ...............................................................55Component Inspection .............................................55
NVIS (NISSAN VEHICLE IMMOBILIZER SYS-EC-1
PMultiport Fuel Injection (MFI) System .....................36Electronic Ignition (EI) System ................................39Fuel Cut Control (at No Load and High Engine Speed) .....................................................................39
AIR CONDITIONING CUT CONTROL ...............41Input/Output Signal Chart ........................................41System Description .................................................41
Malfunction Indicator Lamp (MIL) ............................85OBD System Operation Chart .................................88
BASIC SERVICE PROCEDURE .......................94Basic Inspection ......................................................94Idle Speed and Ignition Timing Check .....................98Procedure After Replacing ECM .............................99VIN Registration ......................................................99
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Accelerator Pedal Released Position Learning .....100Throttle Valve Closed Position Learning ...............100Idle Air Volume Learning .......................................100Fuel Pressure Check .............................................102
TROUBLE DIAGNOSIS ................................... 105Trouble Diagnosis Introduction ..............................105DTC Inspection Priority Chart ................................110Fail-Safe Chart ......................................................110Symptom Matrix Chart ...........................................112Engine Control Component Parts Location ...........116Vacuum Hose Drawing ..........................................122Circuit Diagram ......................................................123ECM Harness Connector Terminal Layout ............125ECM Terminal and Reference Value .....................125CONSULT Function (ENGINE) .............................132Generic Scan Tool (GST) Function .......................140CONSULT Reference Value in Data Monitor ........142
TROUBLE DIAGNOSIS - SPECIFICATION VALUE ............................................................. 147
Description .............................................................147Testing Condition ...................................................147Inspection Procedure .............................................147Diagnosis Procedure .............................................147
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ........................................................ 155
Description .............................................................155Diagnosis Procedure .............................................155
POWER SUPPLY AND GROUND CIRCUIT ... 156Wiring Diagram ......................................................156Diagnosis Procedure .............................................157Ground Inspection .................................................160
DTC U0101 CAN COMMUNICATION LINE .... 162Description .............................................................162On Board Diagnosis Logic .....................................162DTC Confirmation Procedure ................................162Wiring Diagram ......................................................163Diagnosis Procedure .............................................163
DTC U1001 CAN COMMUNICATION LINE .... 164Description .............................................................164On Board Diagnosis Logic .....................................164DTC Confirmation Procedure ................................164Wiring Diagram ......................................................165Diagnosis Procedure .............................................165
DTC P0011 IVT CONTROL ............................. 166Description .............................................................166CONSULT Reference Value in Data Monitor Mode ......................................................................166On Board Diagnosis Logic .....................................167DTC Confirmation Procedure ................................167Diagnosis Procedure .............................................168Component Inspection ...........................................169
CONSULT Reference Value in Data Monitor Mode ..................................................................... 170On Board Diagnosis Logic .................................... 170DTC Confirmation Procedure ................................ 170Wiring Diagram ..................................................... 171Diagnosis Procedure ............................................. 172Component Inspection .......................................... 173
DTC P0037, P0038 HO2S2 HEATER ..............175Description ............................................................ 175CONSULT Reference Value in Data Monitor Mode ..................................................................... 175On Board Diagnosis Logic .................................... 175DTC Confirmation Procedure ................................ 175Wiring Diagram ..................................................... 177Diagnosis Procedure ............................................. 178Component Inspection .......................................... 179
DTC P0075 IVT CONTROL SOLENOID VALVE ..............................................................181
Component Description ........................................ 181CONSULT Reference Value in Data Monitor Mode ..................................................................... 181On Board Diagnosis Logic .................................... 181DTC Confirmation Procedure ................................ 181Wiring Diagram ..................................................... 182Diagnosis Procedure ............................................. 183Component Inspection .......................................... 184
DTC P0101 MAF SENSOR ..............................185Component Description ........................................ 185CONSULT Reference Value in Data Monitor Mode ..................................................................... 185On Board Diagnosis Logic .................................... 185DTC Confirmation Procedure ................................ 185Wiring Diagram ..................................................... 187Diagnosis Procedure ............................................. 188Component Inspection .......................................... 190
DTC P0102, P0103 MAF SENSOR ..................192Component Description ........................................ 192CONSULT Reference Value in Data Monitor Mode ..................................................................... 192On Board Diagnosis Logic .................................... 192DTC Confirmation Procedure ................................ 192Wiring Diagram ..................................................... 194Diagnosis Procedure ............................................. 195Component Inspection .......................................... 197
DTC P0111 IAT SENSOR ................................199Component Description ........................................ 199On Board Diagnosis Logic .................................... 199DTC Confirmation Procedure ................................ 199Overall Function Check ......................................... 200Wiring Diagram ..................................................... 201Diagnosis Procedure ............................................. 201Component Inspection .......................................... 202
DTC P0112, P0113 IAT SENSOR ....................203EC-2
DTC P0031, P0032 A/F SENSOR 1 HEATER . 170Description .............................................................170
Component Description ........................................ 203
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On Board Diagnosis Logic .................................... 203DTC Confirmation Procedure ................................ 203Wiring Diagram ..................................................... 204Diagnosis Procedure ............................................. 204Component Inspection .......................................... 206
DTC P0116 ECT SENSOR ............................... 207Description ............................................................ 207On Board Diagnosis Logic .................................... 207DTC Confirmation Procedure ................................ 207Overall Function Check ......................................... 208Diagnosis Procedure ............................................. 209Component Inspection .......................................... 209
DTC P0117, P0118 ECT SENSOR .................. 210Component Description ......................................... 210On Board Diagnosis Logic .................................... 210DTC Confirmation Procedure ................................ 211Wiring Diagram ..................................................... 212Diagnosis Procedure ............................................. 212Component Inspection .......................................... 214
DTC P0122, P0123 TP SENSOR ..................... 215Component Description ......................................... 215CONSULT Reference Value in Data Monitor Mode ..................................................................... 215On Board Diagnosis Logic .................................... 215DTC Confirmation Procedure ................................ 215Wiring Diagram ..................................................... 216Diagnosis Procedure ............................................. 217Component Inspection .......................................... 218
DTC P0125 ECT SENSOR ............................... 220Component Description ......................................... 220On Board Diagnosis Logic .................................... 220DTC Confirmation Procedure ................................ 220Diagnosis Procedure ............................................. 221Component Inspection .......................................... 221
DTC P0127 IAT SENSOR ................................ 223Component Description ......................................... 223On Board Diagnosis Logic .................................... 223DTC Confirmation Procedure ................................ 223Diagnosis Procedure ............................................. 224Component Inspection .......................................... 224
DTC P0128 THERMOSTAT FUNCTION .......... 226On Board Diagnosis Logic .................................... 226DTC Confirmation Procedure ................................ 226Diagnosis Procedure ............................................. 226
DTC P0130 A/F SENSOR 1 ............................. 228Component Description ......................................... 228CONSULT Reference Value in Data Monitor Mode ..................................................................... 228On Board Diagnosis Logic .................................... 228DTC Confirmation Procedure ................................ 228Overall Function Check ......................................... 229Wiring Diagram ..................................................... 230
DTC P0131 A/F SENSOR 1 ............................ 233Component Description .........................................233CONSULT Reference Value in Data Monitor Mode ......................................................................233On Board Diagnosis Logic .....................................233DTC Confirmation Procedure ................................233Wiring Diagram ......................................................235Diagnosis Procedure .............................................236
DTC P0132 A/F SENSOR 1 ............................ 238Component Description .........................................238CONSULT Reference Value in Data Monitor Mode ......................................................................238On Board Diagnosis Logic .....................................238DTC Confirmation Procedure ................................238Wiring Diagram ......................................................240Diagnosis Procedure .............................................241
DTC P0137 HO2S2 ......................................... 243Component Description .........................................243CONSULT Reference Value in Data Monitor Mode ......................................................................243On Board Diagnosis Logic .....................................243DTC Confirmation Procedure ................................243Overall Function Check .........................................244Wiring Diagram ......................................................245Diagnosis Procedure .............................................246Component Inspection ...........................................248
DTC P0138 HO2S2 ......................................... 250Component Description .........................................250CONSULT Reference Value in Data Monitor Mode ......................................................................250On Board Diagnosis Logic .....................................250DTC Confirmation Procedure ................................251Overall Function Check .........................................252Wiring Diagram ......................................................253Diagnosis Procedure .............................................254Component Inspection ...........................................257
DTC P0139 HO2S2 ......................................... 259Component Description .........................................259CONSULT Reference Value in Data Monitor Mode ......................................................................259On Board Diagnosis Logic .....................................259DTC Confirmation Procedure ................................259Overall Function Check .........................................261Wiring Diagram ......................................................263Diagnosis Procedure .............................................264Component Inspection ...........................................266
DTC P014C, P014D, P015A, P015B A/F SEN-SOR 1 .............................................................. 268
Component Description .........................................268CONSULT Reference Value in Data Monitor Mode ......................................................................268On Board Diagnosis Logic .....................................268DTC Confirmation Procedure ................................269EC-3
Diagnosis Procedure ............................................. 231 Overall Function Check .........................................270Wiring Diagram ......................................................271
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Diagnosis Procedure .............................................272
DTC P0171 FUEL INJECTION SYSTEM FUNCTION ....................................................... 276
On Board Diagnosis Logic .....................................276DTC Confirmation Procedure ................................276Wiring Diagram ......................................................278Diagnosis Procedure .............................................279
DTC P0172 FUEL INJECTION SYSTEM FUNCTION ....................................................... 282
On Board Diagnosis Logic .....................................282DTC Confirmation Procedure ................................282Wiring Diagram ......................................................284Diagnosis Procedure .............................................285
DTC P0181 FTT SENSOR ............................... 288Component Description .........................................288On Board Diagnosis Logic .....................................288DTC Confirmation Procedure ................................288Overall Function Check .........................................290Wiring Diagram ......................................................291Diagnosis Procedure .............................................291Component Inspection ...........................................293
DTC P0182, P0183 FTT SENSOR .................. 294Component Description .........................................294On Board Diagnosis Logic .....................................294DTC Confirmation Procedure ................................294Wiring Diagram ......................................................295Diagnosis Procedure .............................................295Component Inspection ...........................................297
DTC P0196 EOT SENSOR .............................. 298Component Description .........................................298On Board Diagnosis Logic .....................................298DTC Confirmation Procedure ................................298Overall Function Check .........................................300Diagnosis Procedure .............................................301Component Inspection ...........................................301
DTC P0197, P0198 EOT SENSOR .................. 302Component Description .........................................302On Board Diagnosis Logic .....................................302DTC Confirmation Procedure ................................302Wiring Diagram ......................................................303Diagnosis Procedure .............................................303Component Inspection ...........................................304
DTC P0222, P0223 TP SENSOR .................... 306Component Description .........................................306CONSULT Reference Value in Data Monitor Mode ......................................................................306On Board Diagnosis Logic .....................................306DTC Confirmation Procedure ................................306Wiring Diagram ......................................................307Diagnosis Procedure .............................................308Component Inspection ...........................................309
DTC P0300 - P0304 MULTIPLE CYLINDER MISFIRE, NO. 1 - 4 CYLINDER MISFIRE ........311
On Board Diagnosis Logic .................................... 311DTC Confirmation Procedure ................................ 311Diagnosis Procedure ............................................. 312
DTC P0327, P0328 KS .....................................317Component Description ........................................ 317On Board Diagnosis Logic .................................... 317DTC Confirmation Procedure ................................ 317Wiring Diagram ..................................................... 318Diagnosis Procedure ............................................. 319Component Inspection .......................................... 320
DTC P0335 CKP SENSOR (POS) ....................321Component Description ........................................ 321CONSULT Reference Value in Data Monitor Mode ..................................................................... 321On Board Diagnosis Logic .................................... 321DTC Confirmation Procedure ................................ 321Wiring Diagram ..................................................... 323Diagnosis Procedure ............................................. 324Component Inspection .......................................... 327
DTC P0340 CMP SENSOR (PHASE) ..............328Component Description ........................................ 328CONSULT Reference Value in Data Monitor Mode ..................................................................... 328On Board Diagnosis Logic .................................... 328DTC Confirmation Procedure ................................ 328Wiring Diagram ..................................................... 329Diagnosis Procedure ............................................. 330Component Inspection .......................................... 332
DTC P0420 THREE WAY CATALYST FUNC-TION ..................................................................333
On Board Diagnosis Logic .................................... 333DTC Confirmation Procedure ................................ 333Overall Function Check ......................................... 334Diagnosis Procedure ............................................. 334
DTC P0441 EVAP CONTROL SYSTEM ..........338System Description ............................................... 338On Board Diagnosis Logic .................................... 338DTC Confirmation Procedure ................................ 338Overall Function Check ......................................... 339Diagnosis Procedure ............................................. 339Component Inspection .......................................... 342
DTC P0442 EVAP CONTROL SYSTEM ..........343On Board Diagnosis Logic .................................... 343DTC Confirmation Procedure ................................ 344Diagnosis Procedure ............................................. 344Component Inspection .......................................... 349
DTC P0443 EVAP CANISTER PURGE VOL-UME CONTROL SOLENOID VALVE ...............350
Description ............................................................ 350CONSULT Reference Value in Data Monitor EC-4
Mode ..................................................................... 350
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On Board Diagnosis Logic .................................... 351DTC Confirmation Procedure ................................ 351Wiring Diagram ..................................................... 353Diagnosis Procedure ............................................. 354Component Inspection .......................................... 357
DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE ....... 358
Description ............................................................ 358CONSULT Reference Value in Data Monitor Mode ..................................................................... 358On Board Diagnosis Logic .................................... 359DTC Confirmation Procedure ................................ 359Wiring Diagram ..................................................... 360Diagnosis Procedure ............................................. 361Component Inspection .......................................... 363
DTC P0447 EVAP CANISTER VENT CON-TROL VALVE ................................................... 364
Component Description ......................................... 364CONSULT Reference Value in Data Monitor Mode ..................................................................... 364On Board Diagnosis Logic .................................... 364DTC Confirmation Procedure ................................ 364Wiring Diagram ..................................................... 365Diagnosis Procedure ............................................. 366Component Inspection .......................................... 368
DTC P0448 EVAP CANISTER VENT CON-TROL VALVE ................................................... 370
Component Description ......................................... 370CONSULT Reference Value in Data Monitor Mode ..................................................................... 370On Board Diagnosis Logic .................................... 370DTC Confirmation Procedure ................................ 370Wiring Diagram ..................................................... 372Diagnosis Procedure ............................................. 373Component Inspection .......................................... 374
DTC P0451 EVAP CONTROL SYSTEM PRESSURE SENSOR ...................................... 376
Component Description ......................................... 376CONSULT Reference Value in Data Monitor Mode ..................................................................... 376On Board Diagnosis Logic .................................... 376DTC Confirmation Procedure ................................ 377Diagnosis Procedure ............................................. 378Component Inspection .......................................... 379
DTC P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR ...................................... 381
Component Description ......................................... 381CONSULT Reference Value in Data Monitor Mode ..................................................................... 381On Board Diagnosis Logic .................................... 381DTC Confirmation Procedure ................................ 381Wiring Diagram ..................................................... 383Diagnosis Procedure ............................................. 384
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR ..................................... 388
Component Description .........................................388CONSULT Reference Value in Data Monitor Mode ......................................................................388On Board Diagnosis Logic .....................................388DTC Confirmation Procedure ................................389Wiring Diagram ......................................................390Diagnosis Procedure .............................................391Component Inspection ...........................................395
DTC P0455 EVAP CONTROL SYSTEM ......... 396On Board Diagnosis Logic .....................................396DTC Confirmation Procedure ................................396Diagnosis Procedure .............................................397Component Inspection ...........................................401
DTC P0456 EVAP CONTROL SYSTEM ......... 403On Board Diagnosis Logic .....................................403DTC Confirmation Procedure ................................404Overall Function Check .........................................404Diagnosis Procedure .............................................405Component Inspection ...........................................410
DTC P0460 FUEL LEVEL SENSOR ............... 411Component Description .........................................411On Board Diagnosis Logic .....................................411DTC Confirmation Procedure ................................411Diagnosis Procedure .............................................411
DTC P0461 FUEL LEVEL SENSOR ............... 413Component Description .........................................413On Board Diagnosis Logic .....................................413Overall Function Check .........................................413Diagnosis Procedure .............................................413
DTC P0462, P0463 FUEL LEVEL SENSOR .. 415Component Description .........................................415On Board Diagnosis Logic .....................................415DTC Confirmation Procedure ................................415Diagnosis Procedure .............................................415
DTC P0500 VSS .............................................. 417
EXCEPT FOR M/T MODELS ...................................417EXCEPT FOR M/T MODELS : Description ...........417EXCEPT FOR M/T MODELS : On Board Diagno-sis Logic .................................................................417EXCEPT FOR M/T MODELS : DTC Confirmation Procedure ..............................................................417EXCEPT FOR M/T MODELS : Diagnosis Proce-dure .......................................................................418
FOR M/T MODELS ..................................................418FOR M/T MODELS : Description ...........................418FOR M/T MODELS : On Board Diagnosis Logic ...418FOR M/T MODELS : DTC Confirmation Proce-dure .......................................................................419FOR M/T MODELS : Overall Function Check .......419EC-5
Component Inspection .......................................... 387 FOR M/T MODELS : Diagnosis Procedure ...........419
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DTC P0506 ISC SYSTEM ................................ 421Description .............................................................421On Board Diagnosis Logic .....................................421DTC Confirmation Procedure ................................421Diagnosis Procedure .............................................421
DTC P0507 ISC SYSTEM ................................ 423Description .............................................................423On Board Diagnosis Logic .....................................423DTC Confirmation Procedure ................................423Diagnosis Procedure .............................................423
DTC P050A, P050B, P050E COLD START CONTROL ........................................................ 425
Description .............................................................425On Board Diagnosis Logic .....................................425DTC Confirmation Procedure ................................425Diagnosis Procedure .............................................426
DTC P0603 ECM POWER SUPPLY ................ 427Component Description .........................................427On Board Diagnosis Logic .....................................427DTC Confirmation Procedure ................................427Wiring Diagram ......................................................428Diagnosis Procedure .............................................429
DTC P0605 ECM .............................................. 430Component Description .........................................430On Board Diagnosis Logic .....................................430DTC Confirmation Procedure ................................430Diagnosis Procedure .............................................431
DTC P0607 ECM .............................................. 432Description .............................................................432On Board Diagnosis Logic .....................................432DTC Confirmation Procedure ................................432Diagnosis Procedure .............................................432
DTC P0643 SENSOR POWER SUPPLY ........ 433On Board Diagnosis Logic .....................................433DTC Confirmation Procedure ................................433Wiring Diagram ......................................................434Diagnosis Procedure .............................................435
DTC P0850 PNP SWITCH ............................... 438Component Description .........................................438CONSULT Reference Value in Data Monitor Mode ......................................................................438On Board Diagnosis Logic .....................................438DTC Confirmation Procedure ................................438Overall Function Check .........................................439Wiring Diagram ......................................................440Diagnosis Procedure .............................................441
DTC P1148 CLOSED LOOP CONTROL ......... 443On Board Diagnosis Logic .....................................443
DTC P1212 TCS COMMUNICATION LINE ..... 444Description .............................................................444
Diagnosis Procedure ............................................. 444
DTC P1217 ENGINE OVER TEMPERATURE ..445System Description ............................................... 445CONSULT Reference Value in Data Monitor Mode ..................................................................... 446On Board Diagnosis Logic .................................... 447Overall Function Check ......................................... 447Wiring Diagram ..................................................... 449Diagnosis Procedure ............................................. 451Main 13 Causes of Overheating ........................... 455Component Inspection .......................................... 456
DTC P1225 TP SENSOR ..................................457Component Description ........................................ 457On Board Diagnosis Logic .................................... 457DTC Confirmation Procedure ................................ 457Diagnosis Procedure ............................................. 457
DTC P1226 TP SENSOR ..................................458Component Description ........................................ 458On Board Diagnosis Logic .................................... 458DTC Confirmation Procedure ................................ 458Diagnosis Procedure ............................................. 458
DTC P1564 ASCD STEERING SWITCH ..........459Component Description ........................................ 459CONSULT Reference Value in Data Monitor Mode ..................................................................... 459On Board Diagnosis Logic .................................... 459DTC Confirmation Procedure ................................ 460Wiring Diagram ..................................................... 461Diagnosis Procedure ............................................. 462Component Inspection .......................................... 464
DTC P1572 ASCD BRAKE SWITCH ...............465Component Description ........................................ 465CONSULT Reference Value in Data Monitor Mode ..................................................................... 465On Board Diagnosis Logic .................................... 465DTC Confirmation Procedure ................................ 466Wiring Diagram ..................................................... 467Diagnosis Procedure ............................................. 468Component Inspection .......................................... 472
DTC P1574 ASCD VEHICLE SPEED SEN-SOR ..................................................................474
Component Description ........................................ 474On Board Diagnosis Logic .................................... 474DTC Confirmation Procedure ................................ 474Diagnosis Procedure ............................................. 474
DTC P1715 INPUT SPEED SENSOR ..............476Description ............................................................ 476CONSULT Reference Value in Data Monitor Mode ..................................................................... 476On Board Diagnosis Logic .................................... 476DTC Confirmation Procedure ................................ 476Diagnosis Procedure ............................................. 476EC-6
On Board Diagnosis Logic .....................................444DTC Confirmation Procedure ................................444 DTC P1805 BRAKE SWITCH ..........................478
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Description ............................................................ 478CONSULT Reference Value in Data Monitor Mode ..................................................................... 478On Board Diagnosis Logic .................................... 478DTC Confirmation Procedure ................................ 478Wiring Diagram ..................................................... 479Diagnosis Procedure ............................................. 480Component Inspection .......................................... 481
DTC P2004 TUMBLE CONTROL VALVE ....... 482Description ............................................................ 482CONSULT Reference Value in Data Monitor Mode ..................................................................... 482On Board Diagnosis Logic .................................... 483DTC Confirmation Procedure ................................ 483Wiring Diagram ..................................................... 484Diagnosis Procedure ............................................. 485Component Inspection .......................................... 488
DTC P2014 TUMBLE CONTROL VALVE PO-SITION SENSOR .............................................. 490
Component Description ......................................... 490CONSULT Reference Value in Data Monitor Mode ..................................................................... 490On Board Diagnosis Logic .................................... 490DTC Confirmation Procedure ................................ 490Wiring Diagram ..................................................... 491Diagnosis Procedure ............................................. 492
DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY ............................................... 495
Component Description ......................................... 495CONSULT Reference Value in Data Monitor Mode ..................................................................... 495On Board Diagnosis Logic .................................... 495DTC Confirmation Procedure ................................ 495Wiring Diagram ..................................................... 496Diagnosis Procedure ............................................. 497
DTC P2101 ELECTRIC THROTTLE CON-TROL FUNCTION ............................................. 499
Description ............................................................ 499On Board Diagnosis Logic .................................... 499DTC Confirmation Procedure ................................ 499Wiring Diagram ..................................................... 500Diagnosis Procedure ............................................. 501Component Inspection .......................................... 504
DTC P2118 THROTTLE CONTROL MOTOR ..505Component Description ......................................... 505On Board Diagnosis Logic .................................... 505DTC Confirmation Procedure ................................ 505Wiring Diagram ..................................................... 506Diagnosis Procedure ............................................. 507Component Inspection .......................................... 508
DTC P2119 ELECTRIC THROTTLE CON-TROL ACTUATOR ........................................... 509
DTC Confirmation Procedure ................................509Diagnosis Procedure .............................................510
DTC P2122, P2123 APP SENSOR ................. 511Component Description .........................................511CONSULT Reference Value in Data Monitor Mode ......................................................................511On Board Diagnosis Logic .....................................511DTC Confirmation Procedure ................................511Wiring Diagram ......................................................512Diagnosis Procedure .............................................513Component Inspection ...........................................515
DTC P2127, P2128 APP SENSOR ................. 516Component Description .........................................516CONSULT Reference Value in Data Monitor Mode ......................................................................516On Board Diagnosis Logic .....................................516DTC Confirmation Procedure ................................517Wiring Diagram ......................................................518Diagnosis Procedure .............................................519Component Inspection ...........................................521
DTC P2135 TP SENSOR ................................ 523Component Description .........................................523CONSULT Reference Value in Data Monitor Mode ......................................................................523On Board Diagnosis Logic .....................................523DTC Confirmation Procedure ................................523Wiring Diagram ......................................................524Diagnosis Procedure .............................................525Component Inspection ...........................................526
DTC P2138 APP SENSOR ............................. 528Component Description .........................................528CONSULT Reference Value in Data Monitor Mode ......................................................................528On Board Diagnosis Logic .....................................528DTC Confirmation Procedure ................................529Wiring Diagram ......................................................530Diagnosis Procedure .............................................531Component Inspection ...........................................534
DTC P2A00 A/F SENSOR 1 ........................... 535Component Description .........................................535CONSULT Reference Value in Data Monitor Mode ......................................................................535On Board Diagnosis Logic .....................................535DTC Confirmation Procedure ................................535Wiring Diagram ......................................................537Diagnosis Procedure .............................................538
ASCD BRAKE SWITCH .................................. 542Component Description .........................................542CONSULT Reference Value in Data Monitor Mode ......................................................................542Wiring Diagram ......................................................543Diagnosis Procedure .............................................544Component Inspection ...........................................548EC-7
Component Description ......................................... 509On Board Diagnosis Logic .................................... 509
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ASCD INDICATOR .......................................... 550Component Description .........................................550CONSULT Reference Value in Data Monitor Mode ......................................................................550Wiring Diagram ......................................................551Diagnosis Procedure .............................................551
ELECTRICAL LOAD SIGNAL ......................... 553CONSULT Reference Value in Data Monitor Mode ......................................................................553Diagnosis Procedure .............................................553
FUEL INJECTOR ............................................. 555Component Description .........................................555CONSULT Reference Value in Data Monitor Mode ......................................................................555Wiring Diagram ......................................................556Diagnosis Procedure .............................................557Component Inspection ...........................................559
FUEL PUMP ..................................................... 560Description .............................................................560CONSULT Reference Value in Data Monitor Mode ......................................................................560Wiring Diagram ......................................................561Diagnosis Procedure .............................................562Component Inspection ...........................................564
IGNITION SIGNAL ........................................... 565Component Description .........................................565Wiring Diagram ......................................................566Diagnosis Procedure .............................................569Component Inspection ...........................................572
REFRIGERANT PRESSURE SENSOR .......... 574Component Description .........................................574Wiring Diagram ......................................................575Diagnosis Procedure .............................................576
MIL AND DATA LINK CONNECTOR .............. 579Wiring Diagram ......................................................579
SERVICE DATA AND SPECIFICATIONS (SDS) ................................................................ 581
Fuel Pressure ........................................................581Idle Speed and Ignition Timing ..............................581Calculated Load Value ..........................................581Mass Air Flow Sensor ............................................581Intake Air Temperature Sensor .............................581Engine Coolant Temperature Sensor ....................581Air Fuel Ratio (A/F) Sensor 1 Heater .....................581Heated Oxygen sensor 2 Heater ...........................582Crankshaft Position Sensor (POS) ........................582Camshaft Position Sensor (PHASE) .....................582Throttle Control Motor ............................................582Fuel Injector ...........................................................582Fuel Pump .............................................................582
MR20DE (EXCEPT FOR CALIFORNIA)
INDEX FOR DTC ..............................................583U0101-U1001 ........................................................ 583P0011-P0075 ........................................................ 583P0101-P0128 ........................................................ 583P0130-P0198 ........................................................ 584P0222-P0420 ........................................................ 584P0441-P0463 ........................................................ 585P0500-P0643 ........................................................ 585P0705-P0840 ........................................................ 586P0850-P1574 ........................................................ 586P1610-P1615 ........................................................ 587P1715-P1805 ........................................................ 587P2100-P2A00 ........................................................ 587
PRECAUTIONS ................................................589Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-SIONER" ............................................................... 589Precaution for Procedure without Cowl Top Cover . 589On Board Diagnosis (OBD) System of Engine and CVT ....................................................................... 589Precaution ............................................................. 590
PREPARATION ................................................594Special Service Tool ............................................. 594Commercial Service Tool ...................................... 594
ENGINE CONTROL SYSTEM ..........................596Schematic ............................................................. 596Multiport Fuel Injection (MFI) System ................... 596Electronic Ignition (EI) System .............................. 599Fuel Cut Control (at No Load and High Engine Speed) .................................................................. 599
AIR CONDITIONING CUT CONTROL .............601Input/Output Signal Chart ..................................... 601System Description ............................................... 601
AUTOMATIC SPEED CONTROL DEVICE (ASCD) ..............................................................602
System Description ............................................... 602Component Description ........................................ 603
CAN COMMUNICATION ..................................604System Description ............................................... 604
EVAPORATIVE EMISSION SYSTEM ..............605Description ............................................................ 605Component Inspection .......................................... 607
ON BOARD REFUELING VAPOR RECOV-ERY (ORVR) .....................................................609
System Description ............................................... 609Diagnosis Procedure ............................................. 609Component Inspection .......................................... 612
POSITIVE CRANKCASE VENTILATION .........615Description ............................................................ 615Component Inspection .......................................... 615EC-8
SERVICE INFORMATION ..........................583
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NVIS (NISSAN VEHICLE IMMOBILIZER SYS-TEM-NATS) ...................................................... 617
Description ............................................................ 617
FUEL FILLER CAP WARNING SYSTEM ........ 618System Diagram ................................................... 618System Description ............................................... 618
ON BOARD DIAGNOSTIC (OBD) SYSTEM .... 620Introduction ........................................................... 620Two Trip Detection Logic ...................................... 620Emission-related Diagnostic Information ............... 621Malfunction Indicator Lamp (MIL) .......................... 645OBD System Operation Chart ............................... 648
BASIC SERVICE PROCEDURE ...................... 654Basic Inspection .................................................... 654Idle Speed and Ignition Timing Check .................. 658Procedure After Replacing ECM ........................... 659VIN Registration .................................................... 659Accelerator Pedal Released Position Learning ..... 660Throttle Valve Closed Position Learning ............... 660Idle Air Volume Learning ....................................... 660Fuel Pressure Check ............................................. 662
TROUBLE DIAGNOSIS ................................... 665Trouble Diagnosis Introduction ............................. 665DTC Inspection Priority Chart ............................... 670Fail-Safe Chart ...................................................... 670Symptom Matrix Chart .......................................... 672Engine Control Component Parts Location ........... 676Vacuum Hose Drawing ......................................... 682Circuit Diagram ..................................................... 683ECM Harness Connector Terminal Layout ........... 685ECM Terminal and Reference Value .................... 685CONSULT Function (ENGINE) ............................. 692Generic Scan Tool (GST) Function ....................... 700CONSULT Reference Value in Data Monitor ........ 702
TROUBLE DIAGNOSIS - SPECIFICATION VALUE .............................................................. 706
Description ............................................................ 706Testing Condition .................................................. 706Inspection Procedure ............................................ 706Diagnosis Procedure ............................................. 706
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ......................................................... 714
Description ............................................................ 714Diagnosis Procedure ............................................. 714
POWER SUPPLY AND GROUND CIRCUIT .... 715Wiring Diagram ..................................................... 715Diagnosis Procedure ............................................. 716Ground Inspection ................................................. 719
DTC U0101 CAN COMMUNICATION LINE ..... 721Description ............................................................ 721On Board Diagnosis Logic .................................... 721
Wiring Diagram ......................................................722Diagnosis Procedure .............................................722
DTC U1001 CAN COMMUNICATION LINE ... 723Description .............................................................723On Board Diagnosis Logic .....................................723DTC Confirmation Procedure ................................723Wiring Diagram ......................................................724Diagnosis Procedure .............................................724
DTC P0011 IVT CONTROL ............................. 725Description .............................................................725CONSULT Reference Value in Data Monitor Mode ......................................................................725On Board Diagnosis Logic .....................................726DTC Confirmation Procedure ................................726Diagnosis Procedure .............................................727Component Inspection ...........................................728
DTC P0031, P0032 A/F SENSOR 1 HEATER . 729Description .............................................................729CONSULT Reference Value in Data Monitor Mode ......................................................................729On Board Diagnosis Logic .....................................729DTC Confirmation Procedure ................................729Wiring Diagram ......................................................730Diagnosis Procedure .............................................731Component Inspection ...........................................732
DTC P0037, P0038 HO2S2 HEATER ............. 734Description .............................................................734CONSULT Reference Value in Data Monitor Mode ......................................................................734On Board Diagnosis Logic .....................................734DTC Confirmation Procedure ................................734Wiring Diagram ......................................................736Diagnosis Procedure .............................................737Component Inspection ...........................................738
DTC P0075 IVT CONTROL SOLENOID VALVE ............................................................. 740
Component Description .........................................740CONSULT Reference Value in Data Monitor Mode ......................................................................740On Board Diagnosis Logic .....................................740DTC Confirmation Procedure ................................740Wiring Diagram ......................................................741Diagnosis Procedure .............................................742Component Inspection ...........................................743
DTC P0101 MAF SENSOR ............................. 745Component Description .........................................745CONSULT Reference Value in Data Monitor Mode ......................................................................745On Board Diagnosis Logic .....................................745DTC Confirmation Procedure ................................745Wiring Diagram ......................................................747Diagnosis Procedure .............................................748Component Inspection ...........................................750EC-9
DTC Confirmation Procedure ................................ 721
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DTC P0102, P0103 MAF SENSOR ................. 752Component Description .........................................752CONSULT Reference Value in Data Monitor Mode ......................................................................752On Board Diagnosis Logic .....................................752DTC Confirmation Procedure ................................752Wiring Diagram ......................................................754Diagnosis Procedure .............................................755Component Inspection ...........................................757
DTC P0111 IAT SENSOR ................................ 759Component Description .........................................759On Board Diagnosis Logic .....................................759DTC Confirmation Procedure ................................759Overall Function Check .........................................760Wiring Diagram ......................................................761Diagnosis Procedure .............................................761Component Inspection ...........................................762
DTC P0112, P0113 IAT SENSOR ................... 763Component Description .........................................763On Board Diagnosis Logic .....................................763DTC Confirmation Procedure ................................763Wiring Diagram ......................................................764Diagnosis Procedure .............................................764Component Inspection ...........................................766
DTC P0116 ECT SENSOR .............................. 767Description .............................................................767On Board Diagnosis Logic .....................................767DTC Confirmation Procedure ................................767Overall Function Check .........................................768Diagnosis Procedure .............................................769Component Inspection ...........................................769
DTC P0117, P0118 ECT SENSOR .................. 770Component Description .........................................770On Board Diagnosis Logic .....................................770DTC Confirmation Procedure ................................771Wiring Diagram ......................................................772Diagnosis Procedure .............................................772Component Inspection ...........................................774
DTC P0122, P0123 TP SENSOR .................... 775Component Description .........................................775CONSULT Reference Value in Data Monitor Mode ......................................................................775On Board Diagnosis Logic .....................................775DTC Confirmation Procedure ................................775Wiring Diagram ......................................................776Diagnosis Procedure .............................................777Component Inspection ...........................................778
DTC P0125 ECT SENSOR .............................. 780Component Description .........................................780On Board Diagnosis Logic .....................................780DTC Confirmation Procedure ................................780Diagnosis Procedure .............................................781Component Inspection ...........................................781
DTC P0127 IAT SENSOR ................................783Component Description ........................................ 783On Board Diagnosis Logic .................................... 783DTC Confirmation Procedure ................................ 783Diagnosis Procedure ............................................. 784Component Inspection .......................................... 784
DTC P0128 THERMOSTAT FUNCTION ..........786On Board Diagnosis Logic .................................... 786DTC Confirmation Procedure ................................ 786Diagnosis Procedure ............................................. 786
DTC P0130 A/F SENSOR 1 .............................788Component Description ........................................ 788CONSULT Reference Value in Data Monitor Mode ..................................................................... 788On Board Diagnosis Logic .................................... 788DTC Confirmation Procedure ................................ 788Overall Function Check ......................................... 789Wiring Diagram ..................................................... 790Diagnosis Procedure ............................................. 791
DTC P0131 A/F SENSOR 1 .............................793Component Description ........................................ 793CONSULT Reference Value in Data Monitor Mode ..................................................................... 793On Board Diagnosis Logic .................................... 793DTC Confirmation Procedure ................................ 793Wiring Diagram ..................................................... 795Diagnosis Procedure ............................................. 796
DTC P0132 A/F SENSOR 1 .............................798Component Description ........................................ 798CONSULT Reference Value in Data Monitor Mode ..................................................................... 798On Board Diagnosis Logic .................................... 798DTC Confirmation Procedure ................................ 798Wiring Diagram ..................................................... 800Diagnosis Procedure ............................................. 801
DTC P0137 HO2S2 ...........................................803Component Description ........................................ 803CONSULT Reference Value in Data Monitor Mode ..................................................................... 803On Board Diagnosis Logic .................................... 803DTC Confirmation Procedure ................................ 803Overall Function Check ......................................... 804Wiring Diagram ..................................................... 805Diagnosis Procedure ............................................. 806Component Inspection .......................................... 808
DTC P0138 HO2S2 ...........................................810Component Description ........................................ 810CONSULT Reference Value in Data Monitor Mode ..................................................................... 810On Board Diagnosis Logic .................................... 810DTC Confirmation Procedure ................................ 811Overall Function Check ......................................... 812Wiring Diagram ..................................................... 813EC-10
Diagnosis Procedure ............................................. 814
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Component Inspection .......................................... 817
DTC P0139 HO2S2 .......................................... 819Component Description ......................................... 819CONSULT Reference Value in Data Monitor Mode ..................................................................... 819On Board Diagnosis Logic .................................... 819DTC Confirmation Procedure ................................ 819Overall Function Check ......................................... 821Wiring Diagram ..................................................... 822Diagnosis Procedure ............................................. 823Component Inspection .......................................... 825
DTC P014C, P014D, P015A, P015B A/F SEN-SOR 1 ............................................................... 827
Component Description ......................................... 827CONSULT Reference Value in Data Monitor Mode ..................................................................... 827On Board Diagnosis Logic .................................... 827DTC Confirmation Procedure ................................ 828Overall Function Check ......................................... 829Wiring Diagram ..................................................... 831Diagnosis Procedure ............................................. 832
DTC P0171 FUEL INJECTION SYSTEM FUNCTION ....................................................... 836
On Board Diagnosis Logic .................................... 836DTC Confirmation Procedure ................................ 836Wiring Diagram ..................................................... 838Diagnosis Procedure ............................................. 839
DTC P0172 FUEL INJECTION SYSTEM FUNCTION ....................................................... 842
On Board Diagnosis Logic .................................... 842DTC Confirmation Procedure ................................ 842Wiring Diagram ..................................................... 844Diagnosis Procedure ............................................. 845
DTC P0181 FTT SENSOR ............................... 848Component Description ......................................... 848On Board Diagnosis Logic .................................... 848DTC Confirmation Procedure ................................ 848Overall Function Check ......................................... 850Wiring Diagram ..................................................... 851Diagnosis Procedure ............................................. 851Component Inspection .......................................... 853
DTC P0182, P0183 FTT SENSOR ................... 854Component Description ......................................... 854On Board Diagnosis Logic .................................... 854DTC Confirmation Procedure ................................ 854Wiring Diagram ..................................................... 855Diagnosis Procedure ............................................. 855Component Inspection .......................................... 857
DTC P0196 EOT SENSOR ............................... 858Component Description ......................................... 858On Board Diagnosis Logic .................................... 858DTC Confirmation Procedure ................................ 858
Diagnosis Procedure .............................................861Component Inspection ...........................................861
DTC P0197, P0198 EOT SENSOR ................. 862Component Description .........................................862On Board Diagnosis Logic .....................................862DTC Confirmation Procedure ................................862Wiring Diagram ......................................................863Diagnosis Procedure .............................................863Component Inspection ...........................................864
DTC P0222, P0223 TP SENSOR .................... 866Component Description .........................................866CONSULT Reference Value in Data Monitor Mode ......................................................................866On Board Diagnosis Logic .....................................866DTC Confirmation Procedure ................................866Wiring Diagram ......................................................867Diagnosis Procedure .............................................868Component Inspection ...........................................869
DTC P0300 - P0304 MULTIPLE CYLINDER MISFIRE, NO. 1 - 4 CYLINDER MISFIRE ....... 871
On Board Diagnosis Logic .....................................871DTC Confirmation Procedure ................................871Diagnosis Procedure .............................................872
DTC P0327, P0328 KS .................................... 877Component Description .........................................877On Board Diagnosis Logic .....................................877DTC Confirmation Procedure ................................877Wiring Diagram ......................................................878Diagnosis Procedure .............................................879Component Inspection ...........................................880
DTC P0335 CKP SENSOR (POS) .................. 881Component Description .........................................881CONSULT Reference Value in Data Monitor Mode ......................................................................881On Board Diagnosis Logic .....................................881DTC Confirmation Procedure ................................881Wiring Diagram ......................................................882Diagnosis Procedure .............................................883Component Inspection ...........................................885
DTC P0340 CMP SENSOR (PHASE) ............. 887Component Description .........................................887CONSULT Reference Value in Data Monitor Mode ......................................................................887On Board Diagnosis Logic .....................................887DTC Confirmation Procedure ................................887Wiring Diagram ......................................................888Diagnosis Procedure .............................................889Component Inspection ...........................................891
DTC P0420 THREE WAY CATALYST FUNC-TION ................................................................ 892
On Board Diagnosis Logic .....................................892DTC Confirmation Procedure ................................892EC-11
Overall Function Check ......................................... 860 Overall Function Check .........................................893
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Diagnosis Procedure .............................................893
DTC P0441 EVAP CONTROL SYSTEM ......... 897System Description ................................................897On Board Diagnosis Logic .....................................897DTC Confirmation Procedure ................................897Overall Function Check .........................................898Diagnosis Procedure .............................................898Component Inspection ...........................................901
DTC P0442 EVAP CONTROL SYSTEM ......... 902On Board Diagnosis Logic .....................................902DTC Confirmation Procedure ................................903Diagnosis Procedure .............................................903Component Inspection ...........................................908
DTC P0443 EVAP CANISTER PURGE VOL-UME CONTROL SOLENOID VALVE .............. 909
Description .............................................................909CONSULT Reference Value in Data Monitor Mode ......................................................................909On Board Diagnosis Logic .....................................910DTC Confirmation Procedure ................................910Wiring Diagram ......................................................912Diagnosis Procedure .............................................913Component Inspection ...........................................916
DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE ...... 917
Description .............................................................917CONSULT Reference Value in Data Monitor Mode ......................................................................917On Board Diagnosis Logic .....................................918DTC Confirmation Procedure ................................918Wiring Diagram ......................................................919Diagnosis Procedure .............................................920Component Inspection ...........................................922
DTC P0447 EVAP CANISTER VENT CON-TROL VALVE ................................................... 923
Component Description .........................................923CONSULT Reference Value in Data Monitor Mode ......................................................................923On Board Diagnosis Logic .....................................923DTC Confirmation Procedure ................................923Wiring Diagram ......................................................924Diagnosis Procedure .............................................925Component Inspection ...........................................927
DTC P0448 EVAP CANISTER VENT CON-TROL VALVE ................................................... 929
Component Description .........................................929CONSULT Reference Value in Data Monitor Mode ......................................................................929On Board Diagnosis Logic .....................................929DTC Confirmation Procedure ................................929Wiring Diagram ......................................................931Diagnosis Procedure .............................................932
DTC P0451 EVAP CONTROL SYSTEM PRESSURE SENSOR ......................................935
Component Description ........................................ 935CONSULT Reference Value in Data Monitor Mode ..................................................................... 935On Board Diagnosis Logic .................................... 935DTC Confirmation Procedure ................................ 935Diagnosis Procedure ............................................. 937Component Inspection .......................................... 938
DTC P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR ......................................939
Component Description ........................................ 939CONSULT Reference Value in Data Monitor Mode ..................................................................... 939On Board Diagnosis Logic .................................... 939DTC Confirmation Procedure ................................ 939Wiring Diagram ..................................................... 941Diagnosis Procedure ............................................. 942Component Inspection .......................................... 945
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR ......................................946
Component Description ........................................ 946CONSULT Reference Value in Data Monitor Mode ..................................................................... 946On Board Diagnosis Logic .................................... 946DTC Confirmation Procedure ................................ 947Wiring Diagram ..................................................... 948Diagnosis Procedure ............................................. 949Component Inspection .......................................... 952
DTC P0455 EVAP CONTROL SYSTEM ..........954On Board Diagnosis Logic .................................... 954DTC Confirmation Procedure ................................ 954Diagnosis Procedure ............................................. 955Component Inspection .......................................... 960
DTC P0456 EVAP CONTROL SYSTEM ..........961On Board Diagnosis Logic .................................... 961DTC Confirmation Procedure ................................ 962Overall Function Check ......................................... 962Diagnosis Procedure ............................................. 963Component Inspection .......................................... 967
DTC P0460 FUEL LEVEL SENSOR ................969Component Description ........................................ 969On Board Diagnosis Logic .................................... 969DTC Confirmation Procedure ................................ 969Diagnosis Procedure ............................................. 969
DTC P0461 FUEL LEVEL SENSOR ................971Component Description ........................................ 971On Board Diagnosis Logic .................................... 971Overall Function Check ......................................... 971Diagnosis Procedure ............................................. 971
DTC P0462, P0463 FUEL LEVEL SENSOR ....973Component Description ........................................ 973EC-12
Component Inspection ...........................................933On Board Diagnosis Logic .................................... 973
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DTC Confirmation Procedure ................................ 973Diagnosis Procedure ............................................. 973
DTC P0500 VSS ............................................... 975
EXCEPT FOR M/T MODELS ................................... 975EXCEPT FOR M/T MODELS : Description ........... 975EXCEPT FOR M/T MODELS : On Board Diagno-sis Logic ................................................................ 975EXCEPT FOR M/T MODELS : DTC Confirmation Procedure .............................................................. 975EXCEPT FOR M/T MODELS : Diagnosis Proce-dure ....................................................................... 976
FOR M/T MODELS .................................................. 976FOR M/T MODELS : Description .......................... 976FOR M/T MODELS : On Board Diagnosis Logic .. 976FOR M/T MODELS : DTC Confirmation Proce-dure ....................................................................... 977FOR M/T MODELS : Overall Function Check ....... 977FOR M/T MODELS : Diagnosis Procedure ........... 977
DTC P0506 ISC SYSTEM ................................ 979Description ............................................................ 979On Board Diagnosis Logic .................................... 979DTC Confirmation Procedure ................................ 979Diagnosis Procedure ............................................. 979
DTC P0507 ISC SYSTEM ................................ 981Description ............................................................ 981On Board Diagnosis Logic .................................... 981DTC Confirmation Procedure ................................ 981Diagnosis Procedure ............................................. 981
DTC P050A, P050E COLD START CONTROL ..983
Description ............................................................ 983On Board Diagnosis Logic .................................... 983DTC Confirmation Procedure ................................ 983Diagnosis Procedure ............................................. 983
DTC P0603 ECM POWER SUPPLY ................ 985Component Description ......................................... 985On Board Diagnosis Logic .................................... 985DTC Confirmation Procedure ................................ 985Wiring Diagram ..................................................... 986Diagnosis Procedure ............................................. 987
DTC P0605 ECM .............................................. 988Component Description ......................................... 988On Board Diagnosis Logic .................................... 988DTC Confirmation Procedure ................................ 988Diagnosis Procedure ............................................. 989
DTC P0607 ECM .............................................. 990Description ............................................................ 990On Board Diagnosis Logic .................................... 990DTC Confirmation Procedure ................................ 990Diagnosis Procedure ............................................. 990
On Board Diagnosis Logic .....................................991DTC Confirmation Procedure ................................991Wiring Diagram ......................................................992Diagnosis Procedure .............................................993
DTC P0850 PNP SWITCH .............................. 996Component Description .........................................996CONSULT Reference Value in Data Monitor Mode ......................................................................996On Board Diagnosis Logic .....................................996DTC Confirmation Procedure ................................996Overall Function Check .........................................997Wiring Diagram ......................................................998Diagnosis Procedure .............................................999
DTC P1148 CLOSED LOOP CONTROL .......1001On Board Diagnosis Logic ...................................1001
DTC P1212 TCS COMMUNICATION LINE ...1002Description ...........................................................1002On Board Diagnosis Logic ...................................1002DTC Confirmation Procedure ..............................1002Diagnosis Procedure ...........................................1002
DTC P1217 ENGINE OVER TEMPERATURE 1003System Description ..............................................1003CONSULT Reference Value in Data Monitor Mode ....................................................................1004On Board Diagnosis Logic ...................................1005Overall Function Check .......................................1005Wiring Diagram ....................................................1007Diagnosis Procedure ...........................................1009Main 13 Causes of Overheating ..........................1013Component Inspection .........................................1014
DTC P1225 TP SENSOR ...............................1015Component Description .......................................1015On Board Diagnosis Logic ...................................1015DTC Confirmation Procedure ..............................1015Diagnosis Procedure ...........................................1015
DTC P1226 TP SENSOR ...............................1016Component Description .......................................1016On Board Diagnosis Logic ...................................1016DTC Confirmation Procedure ..............................1016Diagnosis Procedure ...........................................1016
DTC P1564 ASCD STEERING SWITCH .......1017Component Description .......................................1017CONSULT Reference Value in Data Monitor Mode ....................................................................1017On Board Diagnosis Logic ...................................1017DTC Confirmation Procedure ..............................1018Wiring Diagram ....................................................1019Diagnosis Procedure ...........................................1020Component Inspection .........................................1022
DTC P1572 ASCD BRAKE SWITCH .............1023Component Description .......................................1023EC-13
DTC P0643 SENSOR POWER SUPPLY ......... 991 CONSULT Reference Value in Data Monitor Mode ....................................................................1023
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On Board Diagnosis Logic ...................................1023DTC Confirmation Procedure ..............................1024Wiring Diagram ....................................................1025Diagnosis Procedure ...........................................1026Component Inspection .........................................1030
DTC P1574 ASCD VEHICLE SPEED SEN-SOR .................................................................1032
Component Description .......................................1032On Board Diagnosis Logic ...................................1032DTC Confirmation Procedure ..............................1032Diagnosis Procedure ...........................................1032
DTC P1715 INPUT SPEED SENSOR ............1034Description ...........................................................1034CONSULT Reference Value in Data Monitor Mode ....................................................................1034On Board Diagnosis Logic ...................................1034DTC Confirmation Procedure ..............................1034Diagnosis Procedure ...........................................1034
DTC P1805 BRAKE SWITCH .........................1036Description ...........................................................1036CONSULT Reference Value in Data Monitor Mode ....................................................................1036On Board Diagnosis Logic ...................................1036DTC Confirmation Procedure ..............................1036Wiring Diagram ....................................................1037Diagnosis Procedure ...........................................1038Component Inspection .........................................1039
DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY ..............................................1040
Component Description .......................................1040CONSULT Reference Value in Data Monitor Mode ....................................................................1040On Board Diagnosis Logic ...................................1040DTC Confirmation Procedure ..............................1040Wiring Diagram ....................................................1041Diagnosis Procedure ...........................................1042
DTC P2101 ELECTRIC THROTTLE CON-TROL FUNCTION ...........................................1044
Description ...........................................................1044On Board Diagnosis Logic ...................................1044DTC Confirmation Procedure .............