Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Almera 2000-2003.2006 Approved Nissan Almera 2001 N16 2001 Nissan Almera ec
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ENGINE CONTROL SYSTEM
SECTION EC
CONTENTS
QG ON BOARD DIAGNOSTIC SYSTEM
DESCRIPTION ...............................................................59
TROUBLE DIAGNOSIS - INDEX ..................................10
Introduction ................................................................59
Alphabetical & P No. Index for DTC .........................10
Two Trip Detection Logic ...........................................59
PRECAUTIONS .............................................................16
Emission-related Diagnostic Information ...................60
Supplemental Restraint System (SRS) AIR
NATS (Nissan Anti-theft System) ..............................74
BAG and SEAT BELT PRE-TENSIONER.............16
Malfunction Indicator (MI) ..........................................74
Precautions for On Board Diagnostic (OBD)
OBD System Operation Chart (With Euro-OBD
System of Engine and A/T.........................................16
Models Only)..............................................................78
Engine Fuel & Emission Control System ..................17
CONSULT-II ...............................................................83
Wiring Diagrams and Trouble Diagnosis...................19
Generic Scan Tool (GST) ..........................................94
PREPARATION .............................................................20
TROUBLE DIAGNOSIS - INTRODUCTION..................96
Special Service Tools ................................................20
Introduction ................................................................96
Commercial Service Tools .........................................20
Work Flow..................................................................98
ENGINE AND EMISSION CONTROL OVERALL
TROUBLE DIAGNOSIS - BASIC INSPECTION .........100
SYSTEM.........................................................................21
Basic Inspection/Sedan ...........................................100
Engine Control Component Parts Location...............21
Basic Inspection/Hatchback.....................................128
Circuit Diagram ..........................................................25
TROUBLE DIAGNOSIS - GENERAL
System Diagram ........................................................29
DESCRIPTION .............................................................153
Vacuum Hose Drawing ..............................................30
DTC Inspection Priority Chart..................................153
System Chart .............................................................31
Fail-safe Chart .........................................................154
ENGINE AND EMISSION BASIC CONTROL
Symptom Matrix Chart.............................................155
SYSTEM DESCRIPTION ...............................................32
CONSULT-II Reference Value in Data Monitor
Multiport Fuel Injection (MFI) System .......................32
Mode ........................................................................159
Electronic Ignition (EI) System ..................................34
Major Sensor Reference Graph in Data Monitor
Air Conditioning Cut Control......................................35
Mode ........................................................................161
Fuel Cut Control (at no load & high engine
ECM Terminals and Reference Value .....................164
speed) ........................................................................36
TROUBLE DIAGNOSIS - SPECIFICATION VALUE ..173
Evaporative Emission System ...................................36
Description ...............................................................173
Positive Crankcase Ventilation ..................................39
Testing Condition .....................................................173
BASIC SERVICE PROCEDURE ...................................40
Inspection Procedure...............................................173
Fuel Pressure Release ..............................................40
Diagnostic Procedure ..............................................174
Fuel Pressure Check .................................................40
TROUBLE DIAGNOSIS FOR INTERMITTENT
Fuel Pressure Regulator Check ................................41
INCIDENT.....................................................................177
Injector .......................................................................41
Description ...............................................................177
How to Check Idle Speed and Ignition Timing..........43
Diagnostic Procedure ..............................................177
Preparation ................................................................44
TROUBLE DIAGNOSIS FOR POWER SUPPLY........178
Inspection Procedure.................................................47
Main Power Supply and Ground Circuit..................178
Idle Air Volume Learning ...........................................57
CONTENTS (Cont'd)
DTC P0100 MASS AIR FLOW SENSOR (MAFS)......187 Component Inspection.............................................222
Component Description ...........................................187 DTC P0131 HEATED OXYGEN SENSOR 1
CONSULT-II Reference Value in Data Monitor (FRONT) (LEAN SHIFT MONITORING) .....................224
Mode ........................................................................187 Component Description ...........................................224
ECM Terminals and Reference Value .....................187 CONSULT-II Reference Value in Data Monitor
On Board Diagnosis Logic.......................................187 Mode ........................................................................224
Fail-safe Mode .........................................................188 ECM Terminals and Reference Value .....................224
DTC Confirmation Procedure ..................................188 On Board Diagnosis Logic.......................................225
Wiring Diagram ........................................................189 DTC Confirmation Procedure ..................................225
Diagnostic Procedure ..............................................191 Overall Function Check ...........................................226
Component Inspection.............................................193 Diagnostic Procedure ..............................................226
DTC P0110 INTAKE AIR TEMPERATURE Component Inspection.............................................228
SENSOR ......................................................................194 DTC P0132 HEATED OXYGEN SENSOR 1
Component Description ...........................................194 (FRONT) (RICH SHIFT MONITORING) ......................230
On Board Diagnosis Logic.......................................195 Component Description ...........................................230
DTC Confirmation Procedure ..................................195 CONSULT-II Reference Value in Data Monitor
Wiring Diagram ........................................................196 Mode ........................................................................230
Diagnostic Procedure ..............................................198 ECM Terminals and Reference Value .....................230
Component Inspection.............................................200 On Board Diagnosis Logic.......................................231
DTC P0115 ENGINE COOLANT TEMPERATURE DTC Confirmation Procedure ..................................231
SENSOR ......................................................................201 Overall Function Check ...........................................232
Component Description ...........................................201 Diagnostic Procedure ..............................................232
CONSULT-II Reference Value in Data Monitor Component Inspection.............................................234
Mode ........................................................................201 DTC P0133 HEATED OXYGEN SENSOR 1
On Board Diagnosis Logic.......................................201 (FRONT).......................................................................236
Fail-safe Mode .........................................................202 Component Description ...........................................236
DTC Confirmation Procedure ..................................202 CONSULT-II Reference Value in Data Monitor
Wiring Diagram ........................................................203 Mode ........................................................................236
Diagnostic Procedure ..............................................205 ECM Terminals and Reference Value .....................236
Component Inspection.............................................206 On Board Diagnosis Logic.......................................237
DTC P0120 THROTTLE POSITION SENSOR ...........207 DTC Confirmation Procedure ..................................237
Component Description ...........................................207 Overall Function Check ...........................................238
CONSULT-II Reference Value in Data Monitor Wiring Diagram ........................................................239
Mode ........................................................................207 Diagnostic Procedure ..............................................241
ECM Terminals and Reference Value .....................208 Component Inspection.............................................243
On Board Diagnosis Logic.......................................208 DTC P0134 HEATED OXYGEN SENSOR 1
Fail-safe Mode .........................................................208 (FRONT) (HIGH VOLTAGE)........................................245
DTC Confirmation Procedure ..................................208 Component Description ...........................................245
Wiring Diagram ........................................................210 CONSULT-II Reference Value in Data Monitor
Diagnostic Procedure ..............................................212 Mode ........................................................................245
Component Inspection.............................................214 ECM Terminals and Reference Value .....................245
DTC P0130 HEATED OXYGEN SENSOR 1 On Board Diagnosis Logic.......................................246
(FRONT) (CIRCUIT).....................................................216 DTC Confirmation Procedure ..................................246
Component Description ...........................................216 Wiring Diagram ........................................................247
CONSULT-II Reference Value in Data Monitor Diagnostic Procedure ..............................................249
Mode ........................................................................216 Component Inspection.............................................250
ECM Terminals and Reference Value .....................216 DTC P0135 HEATED OXYGEN SENSOR 1
On Board Diagnosis Logic.......................................217 (FRONT) HEATER.......................................................252
DTC Confirmation Procedure ..................................217 Description ...............................................................252
Overall Function Check ...........................................218 CONSULT-II Reference Value in Data Monitor
Wiring Diagram ........................................................219 Mode ........................................................................252
Diagnostic Procedure ..............................................221 ECM Terminals and Reference Value .....................252
EC-2
CONTENTS (Cont'd)
On Board Diagnosis Logic.......................................252 Component Inspection.............................................289
DTC Confirmation Procedure ..................................253 DTC P0141 HEATED OXYGEN SENSOR 2
Wiring Diagram ........................................................254 HEATER (REAR) .........................................................291
Diagnostic Procedure ..............................................256 Description ...............................................................291
Component Inspection.............................................257 CONSULT-II Reference Value in Data Monitor
DTC P0137 HEATED OXYGEN SENSOR 2 Mode ........................................................................291
(REAR) (MIN. VOLTAGE MONITORING)...................258 ECM Terminals and Reference Value .....................291
Component Description ...........................................258 On Board Diagnosis Logic.......................................292
CONSULT-II Reference Value in Data Monitor DTC Confirmation Procedure ..................................292
Mode ........................................................................258 Wiring Diagram ........................................................293
ECM Terminals and Reference Value .....................258 Diagnostic Procedure ..............................................295
On Board Diagnosis Logic.......................................258 Component Inspection.............................................296
DTC Confirmation Procedure ..................................259 DTC P0171 FUEL INJECTION SYSTEM
Overall Function Check ...........................................260 FUNCTION (LEAN SIDE) ............................................297
Wiring Diagram ........................................................261 On Board Diagnosis Logic.......................................297
Diagnostic Procedure ..............................................263 DTC Confirmation Procedure ..................................297
Component Inspection.............................................265 Wiring Diagram ........................................................299
DTC P0138 HEATED OXYGEN SENSOR 2 Diagnostic Procedure ..............................................301
(REAR) (MAX. VOLTAGE MONITORING) .................267 DTC P0172 FUEL INJECTION SYSTEM
Component Description ...........................................267 FUNCTION (RICH SIDE) .............................................305
CONSULT-II Reference Value in Data Monitor On Board Diagnosis Logic.......................................305
Mode ........................................................................267 DTC Confirmation Procedure ..................................305
ECM Terminals and Reference Value .....................267 Wiring Diagram ........................................................307
On Board Diagnosis Logic.......................................267 Diagnostic Procedure ..............................................309
DTC Confirmation Procedure ..................................268 DTC P0180 FUEL TANK TEMPERATURE
Overall Function Check ...........................................269 SENSOR (WHERE FITTED)........................................313
Wiring Diagram ........................................................270 Component Description ...........................................313
Diagnostic Procedure ..............................................272 On Board Diagnosis Logic.......................................313
Component Inspection.............................................273 DTC Confirmation Procedure ..................................313
DTC P0139 HEATED OXYGEN SENSOR 2 Wiring Diagram ........................................................315
(REAR) .........................................................................275 Diagnostic Procedure ..............................................316
Component Description ...........................................275 Component Inspection.............................................317
CONSULT-II Reference Value in Data Monitor DTC P0300 - P0304 NO. 4 - 1 CYLINDER
Mode ........................................................................275 MISFIRE, MULTIPLE CYLINDER MISFIRE ...............318
ECM Terminals and Reference Value .....................275 On Board Diagnosis Logic.......................................318
On Board Diagnosis Logic.......................................275 DTC Confirmation Procedure ..................................318
DTC Confirmation Procedure ..................................276 Diagnostic Procedure ..............................................319
Overall Function Check ...........................................277 DTC P0325 KNOCK SENSOR (KS) ...........................324
Wiring Diagram ........................................................278 Component Description ...........................................324
Diagnostic Procedure ..............................................280 ECM Terminals and Reference Value .....................324
Component Inspection.............................................282 On Board Diagnosis Logic.......................................324
DTC P0140 HEATED OXYGEN SENSOR 2 DTC Confirmation Procedure ..................................324
(REAR) (HIGH VOLTAGE) ..........................................284 Wiring Diagram ........................................................325
Component Description ...........................................284 Diagnostic Procedure ..............................................326
CONSULT-II Reference Value in Data Monitor Component Inspection.............................................327
Mode ........................................................................284 DTC P0335 CRANKSHAFT POSITION SENSOR
ECM Terminals and Reference Value .....................284 (POS)............................................................................328
On Board Diagnosis Logic.......................................284 Component Description ...........................................328
DTC Confirmation Procedure ..................................285 ECM Terminals and Reference Value .....................328
Overall Function Check ...........................................285 On Board Diagnosis Logic.......................................329
Wiring Diagram ........................................................286 DTC Confirmation Procedure ..................................329
Diagnostic Procedure ..............................................288 Wiring Diagram ........................................................330
EC-3
CONTENTS (Cont'd)
Diagnostic Procedure ..............................................332 On Board Diagnosis Logic.......................................370
Component Inspection.............................................334 DTC Confirmation Procedure ..................................370
DTC P0340 CAMSHAFT POSITION SENSOR Wiring Diagram ........................................................372
(CMPS) (PHASE).........................................................335 Diagnostic Procedure ..............................................375
Component Description ...........................................335 DTC P0505 IDLE AIR CONTROL VALVE (IACV) -
ECM Terminals and Reference Value .....................335 AUXILIARY AIR CONTROL (AAC) VALVE ...............376
On Board Diagnosis Logic.......................................336 Description ...............................................................376
DTC Confirmation Procedure ..................................336 CONSULT-II Reference Value in Data Monitor
Wiring Diagram ........................................................337 Mode ........................................................................377
Diagnostic Procedure ..............................................339 ECM Terminals and Reference Value .....................377
Component Inspection.............................................342 On Board Diagnosis Logic.......................................377
DTC P0400 EGR FUNCTION (CLOSED) (WHERE DTC Confirmation Procedure ..................................377
FITTED)........................................................................343 Wiring Diagram ........................................................378
Description ...............................................................343 Diagnostic Procedure ..............................................380
CONSULT-II Reference Value in Data Monitor Component Inspection.............................................384
Mode ........................................................................344 DTC P0510 CLOSED THROTTLE POSITION
ECM Terminals and Reference Value .....................344 SWITCH (WHERE FITTED).........................................385
On Board Diagnosis Logic.......................................344 Component Description ...........................................385
DTC Confirmation Procedure ..................................345 CONSULT-II Reference Value in Data Monitor
Wiring Diagram ........................................................347 Mode ........................................................................385
Diagnostic Procedure ..............................................349 ECM Terminals and Reference Value .....................385
Component Inspection.............................................351 On Board Diagnosis Logic.......................................385
DTC P0403 EGR VOLUME CONTROL VALVE DTC Confirmation Procedure ..................................385
(CIRCUIT).....................................................................352 Overall Function Check ...........................................386
Description ...............................................................352 Wiring Diagram ........................................................387
CONSULT-II Reference Value in Data Monitor Diagnostic Procedure ..............................................388
Mode ........................................................................353 Component Inspection.............................................389
ECM Terminals and Reference Value .....................353 DTC P0605 ECM .........................................................391
On Board Diagnosis Logic.......................................353 Component Description ...........................................391
DTC Confirmation Procedure ..................................353 On Board Diagnosis Logic.......................................391
Wiring Diagram ........................................................355 DTC Confirmation Procedure ..................................391
Diagnostic Procedure ..............................................357 Diagnostic Procedure ..............................................392
Component Inspection.............................................358 DTC P1111 INTAKE VALVE TIMING CONTROL
DTC P0420 THREE WAY CATALYST FUNCTION ...359 SOLENOID VALVE......................................................393
On Board Diagnosis Logic.......................................359 Component Description ...........................................393
DTC Confirmation Procedure ..................................359 Operation .................................................................393
Overall Function Check ...........................................360 CONSULT-II Reference Value in Data Monitor
Diagnostic Procedure ..............................................360 Mode ........................................................................393
DTC P0443 EVAP CANISTER PURGE VOLUME ECM Terminals and Reference Value .....................393
CONTROL SOLENOID VALVE (CIRCUIT).................364 On Board Diagnosis Logic.......................................393
Description ...............................................................364 DTC Confirmation Procedure ..................................394
CONSULT-II Reference Value in Data Monitor Wiring Diagram ........................................................395
Mode ........................................................................364 Diagnostic Procedure ..............................................397
ECM Terminals and Reference Value .....................365 Component Inspection.............................................398
On Board Diagnosis Logic.......................................365 DTC P1131 SWIRL CONTROL VALVE SOLENOID
DTC Confirmation Procedure ..................................365 VALVE (CIRCUIT) (WHERE FITTED) .........................399
Wiring Diagram ........................................................366 Description ...............................................................399
Diagnostic Procedure ..............................................368 CONSULT-II Reference Value in Data Monitor
Component Inspection.............................................369 Mode ........................................................................399
DTC P0500 VEHICLE SPEED SENSOR (VSS) .........370 ECM Terminals and Reference Value .....................400
Component Description ...........................................370 Component Description ...........................................400
ECM Terminals and Reference Value .....................370 On Board Diagnosis Logic.......................................400
EC-4
CONTENTS (Cont'd)
DTC Confirmation Procedure ..................................400 Diagnostic Procedure ..............................................440
Wiring Diagram ........................................................402 INTAKE AIR TEMPERATURE SENSOR ....................442
Diagnostic Procedure ..............................................403 Component Description ...........................................442
Component Inspection.............................................404 Wiring Diagram ........................................................444
DTC P1217 OVERHEAT (COOLING SYSTEM) .........406 Diagnostic Procedure ..............................................446
System Description..................................................406 Component Inspection.............................................448
CONSULT-II Reference Value in Data Monitor HEATED OXYGEN SENSOR 1 (FRONT)...................450
Mode ........................................................................406 Component Description ...........................................450
ECM Terminals and Reference Value .....................407 CONSULT-II Reference Value in Data Monitor
On Board Diagnosis Logic.......................................407 Mode ........................................................................450
Overall Function Check ...........................................408 ECM Terminals and Reference Value .....................450
Wiring Diagram ........................................................409 Wiring Diagram ........................................................451
Diagnostic Procedure ..............................................410 Diagnostic Procedure ..............................................453
Main 12 Causes of Overheating..............................416 Component Inspection.............................................455
Component Inspection.............................................416 HEATED OXYGEN SENSOR 1 HEATER (FRONT)...457
DTC P1401 EGR TEMPERATURE SENSOR Description ...............................................................457
(WHERE FITTED) ........................................................418 CONSULT-II Reference Value in Data Monitor
Component Description ...........................................418 Mode ........................................................................457
On Board Diagnosis Logic.......................................418 ECM Terminals and Reference Value .....................457
DTC Confirmation Procedure ..................................418 Wiring Diagram ........................................................458
Wiring Diagram ........................................................421 Diagnostic Procedure ..............................................460
Diagnostic Procedure ..............................................423 Component Inspection.............................................461
Component Inspection.............................................424 HEATED OXYGEN SENSOR 2 (REAR).....................462
DTC P1402 EGR FUNCTION (OPEN) (WHERE Component Description ...........................................462
FITTED)........................................................................425 CONSULT-II Reference Value in Data Monitor
Description ...............................................................425 Mode ........................................................................462
CONSULT-II Reference Value in Data Monitor ECM Terminals and Reference Value .....................462
Mode ........................................................................426 Wiring Diagram ........................................................463
ECM Terminals and Reference Value .....................426 Diagnostic Procedure ..............................................465
On Board Diagnosis Logic.......................................426 Component Inspection.............................................467
DTC Confirmation Procedure ..................................427 HEATED OXYGEN SENSOR 2 HEATER (REAR).....469
Wiring Diagram ........................................................429 Description ...............................................................469
Diagnostic Procedure ..............................................431 CONSULT-II Reference Value in Data Monitor
Component Inspection.............................................432 Mode ........................................................................469
DTC P1605 A/T DIAGNOSIS COMMUNICATION ECM Terminals and Reference Value .....................469
LINE .............................................................................434 Wiring Diagram ........................................................470
System Description..................................................434 Diagnostic Procedure ..............................................472
ECM Terminals and Reference Value .....................434 Component Inspection.............................................474
On Board Diagnosis Logic.......................................434 SWIRL CONTROL VALVE CONTROL SYSTEM
DTC Confirmation Procedure ..................................434 (WHERE FITTED) ........................................................475
Wiring Diagram ........................................................435 Description ...............................................................475
Diagnostic Procedure ..............................................436 CONSULT-II Reference Value in Data Monitor
DTC P1706 PARK/NEUTRAL POSITION (PNP) Mode ........................................................................475
SWITCH .......................................................................437 ECM Terminals and Reference Value .....................476
Component Description ...........................................437 Component Description ...........................................476
CONSULT-II Reference Value in Data Monitor Wiring Diagram ........................................................477
Mode ........................................................................437 Diagnostic Procedure ..............................................478
ECM Terminals and Reference Value .....................437 Component Inspection.............................................482
On Board Diagnosis Logic.......................................437 CRANKSHAFT POSITION SENSOR (POS)...............484
DTC Confirmation Procedure ..................................437 Component Description ...........................................484
Overall Function Check ...........................................438 ECM Terminals and Reference Value .....................484
Wiring Diagram ........................................................439 Wiring Diagram ........................................................485
EC-5
CONTENTS (Cont'd)
Diagnostic Procedure ..............................................487 CONSULT-II Reference Value in Data Monitor
Component Inspection.............................................490 Mode ........................................................................536
EGR VOLUME CONTROL SYSTEM (WHERE ECM Terminals and Reference Value .....................536
FITTED)........................................................................491 Wiring Diagram ........................................................537
Description ...............................................................491 Diagnostic Procedure ..............................................538
CONSULT-II Reference Value in Data Monitor INJECTOR ...................................................................541
Mode ........................................................................492 Component Description ...........................................541
ECM Terminals and Reference Value .....................493 CONSULT-II Reference Value in Data Monitor
Wiring Diagram ........................................................494 Mode ........................................................................541
Diagnostic Procedure ..............................................496 ECM Terminals and Reference Value .....................541
Component Inspection.............................................501 Wiring Diagram ........................................................542
EVAP CANISTER PURGE VOLUME CONTROL Diagnostic Procedure ..............................................544
SOLENOID VALVE......................................................503 Component Inspection.............................................546
Description ...............................................................503 IGNITION SIGNAL.......................................................547
CONSULT-II Reference Value in Data Monitor Component Description ...........................................547
Mode ........................................................................503 CONSULT-II Reference Value in Data Monitor
ECM Terminals and Reference Value .....................504 Mode ........................................................................547
Wiring Diagram ........................................................505 ECM Terminals and Reference Value .....................547
Diagnostic Procedure ..............................................507 Wiring Diagram ........................................................548
Component Inspection.............................................510 Diagnostic Procedure ..............................................551
IDLE AIR CONTROL VALVE (IACV) - AUXILIARY Component Inspection.............................................555
AIR CONTROL ............................................................511 START SIGNAL...........................................................557
Description ...............................................................511 CONSULT-II Reference Value in Data Monitor
CONSULT-II Reference Value in Data Monitor Mode ........................................................................557
Mode ........................................................................512 ECM Terminals and Reference Value .....................557
ECM Terminals and Reference Value .....................512 Wiring Diagram ........................................................558
Wiring Diagram ........................................................513 Diagnostic Procedure ..............................................559
Diagnostic Procedure ..............................................515 FUEL PUMP.................................................................561
Component Inspection.............................................519 System Description..................................................561
CLOSED THROTTLE POSITION SWITCH Component Description ...........................................561
(WHERE FITTED) ........................................................520 CONSULT-II Reference Value in Data Monitor
Component Description ...........................................520 Mode ........................................................................561
ECM Terminals and Reference Value .....................520 ECM Terminals and Reference Value .....................562
Wiring Diagram ........................................................521 Wiring Diagram ........................................................563
Diagnostic Procedure ..............................................522 Diagnostic Procedure ..............................................564
Component Inspection.............................................525 Component Inspection.............................................566
INTAKE VALVE TIMING CONTROL SOLENOID POWER STEERING OIL PRESSURE SWITCH.........567
VALVE..........................................................................526 Component Description ...........................................567
Component Description ...........................................526 CONSULT-II Reference Value in Data Monitor
Operation .................................................................526 Mode ........................................................................567
CONSULT-II Reference Value in Data Monitor ECM Terminals and Reference Value .....................567
Mode ........................................................................526 Wiring Diagram ........................................................568
ECM Terminals and Reference Value .....................526 Diagnostic Procedure ..............................................569
Wiring Diagram ........................................................527 Component Inspection.............................................570
Diagnostic Procedure ..............................................529 REFRIGERANT PRESSURE SENSOR ......................572
Component Inspection.............................................531 Description ...............................................................572
A/T COMMUNICATION LINE......................................532 ECM Terminals and Reference Value .....................572
System Description..................................................532 Wiring Diagram ........................................................573
Wiring Diagram ........................................................533 Diagnostic Procedure ..............................................575
Diagnostic Procedure ..............................................534 ELECTRICAL LOAD SIGNAL.....................................578
PARK/NEUTRAL POSITION (PNP) SWITCH ............536 CONSULT-II Reference Value in Data Monitor
Component Description ...........................................536 Mode ........................................................................578
EC-6
CONTENTS (Cont'd)
ECM Terminals and Reference Value .....................578 Fuel Cut Control (at no load & high engine
Wiring Diagram ........................................................579 speed) ......................................................................612
Diagnostic Procedure - Load Signal - .....................583 Crankcase Ventilation System.................................613
Diagnostic Procedure - Heater Control Panel BASIC SERVICE PROCEDURE .................................614
(Fan Switch) - ..........................................................589 Injection Tube and Injection Nozzle ........................614
Component Inspection.............................................590 Electronic Control Fuel Injection Pump ...................618
MI & DATA LINK CONNECTORS ..............................591 Fuel Filter.................................................................625
Wiring Diagram ........................................................591 ON BOARD DIAGNOSTIC SYSTEM
SERVICE DATA AND SPECIFICATIONS (SDS) .......593 DESCRIPTION .............................................................627
Fuel Pressure Regulator..........................................593 DTC and MI Detection Logic ...................................627
Idle Speed and Ignition Timing................................593 Diagnostic Trouble Code (DTC) ..............................627
Mass Air Flow Sensor..............................................593 Malfunction Indicator (MI) ........................................628
Intake Air Temperature Sensor................................593 CONSULT-II .............................................................632
Engine Coolant Temperature Sensor ......................593 TROUBLE DIAGNOSIS - INTRODUCTION................637
Throttle Position Sensor ..........................................593 Introduction ..............................................................637
Heated Oxygen Sensor 1 Heater (Front) ................593 Work Flow................................................................639
Heated Oxygen Sensor 2 Heater (Rear).................593 TROUBLE DIAGNOSIS - BASIC INSPECTION .........641
Fuel Tank Temperature Sensor (Where Fitted) .......594 Basic Inspection.......................................................641
EGR Volume Control Valve (Where Fitted).............594 TROUBLE DIAGNOSIS - GENERAL
EGR Temperature Sensor (Where Fitted)...............594 DESCRIPTION .............................................................646
EVAP Canister Purge Volume Control Valve ..........594 Symptom Matrix Chart.............................................646
IACV-AAC Valve ......................................................594 CONSULT-II Reference Value in Data Monitor
Injector .....................................................................594 Mode ........................................................................656
Ignition Coil with Power Transistor ..........................594 Major Sensor Reference Graph in Data Monitor
Condenser ...............................................................594 Mode ........................................................................658
Fuel Pump ...............................................................594 ECM Terminals and Reference Value .....................659
Crankshaft Position Sensor (POS)..........................595 TROUBLE DIAGNOSIS FOR INTERMITTENT
Camshaft Position Sensor (PHASE) .......................595 INCIDENT.....................................................................665
Description ...............................................................665
YD Diagnostic Procedure ..............................................665
TROUBLE DIAGNOSIS FOR POWER SUPPLY........666
TROUBLE DIAGNOSIS - INDEX ................................596 Main Power Supply and Ground Circuit..................666
Alphabetical & P No. Index for DTC .......................596 DTC P0100 MASS AIR FLOW SEN ...........................673
PRECAUTIONS ...........................................................598 Component Description ...........................................673
Supplemental Restraint System (SRS) AIR CONSULT-II Reference Value in Data Monitor
BAG and SEAT BELT PRE-TENSIONER...........598 Mode ........................................................................673
Engine Fuel & Emission Control System ................599 ECM Terminals and Reference Value .....................673
Precautions ..............................................................600 On Board Diagnosis Logic.......................................673
Wiring Diagrams and Trouble Diagnosis.................601 DTC Confirmation Procedure ..................................673
PREPARATION ...........................................................602 Wiring Diagram ........................................................675
Special Service Tools ..............................................602 Diagnostic Procedure ..............................................677
ENGINE AND EMISSION CONTROL OVERALL DTC P0115 COOLANT TEMP SEN ............................680
SYSTEM.......................................................................603 Description ...............................................................680
Engine Control Component Parts Location.............603 On Board Diagnosis Logic.......................................680
Circuit Diagram ........................................................606 DTC Confirmation Procedure ..................................680
System Diagram ......................................................608 Wiring Diagram ........................................................682
System Chart ...........................................................609 Diagnostic Procedure ..............................................683
ENGINE AND EMISSION BASIC CONTROL DTC P0120 ACCEL POS SENSOR ............................685
SYSTEM DESCRIPTION .............................................610 Description ...............................................................685
Fuel Injection Control System .................................610 CONSULT-II Reference Value in Data Monitor
Fuel Injection Timing Control System......................611 Mode ........................................................................685
Air Conditioning Cut Control....................................612 ECM Terminals and Reference Value .....................685
EC-7
CONTENTS (Cont'd)
On Board Diagnosis Logic.......................................686 CONSULT-II Reference Value in Data Monitor
DTC Confirmation Procedure ..................................686 Mode ........................................................................730
Wiring Diagram ........................................................687 ECM Terminals and Reference Value .....................730
Diagnostic Procedure ..............................................688 On Board Diagnosis Logic.......................................731
DTC P0335 CRANK POS SEN (TDC) ........................695 Overall Function Check ...........................................732
Description ...............................................................695 Wiring Diagram ........................................................733
CONSULT-II Reference Value in Data Monitor Diagnostic Procedure ..............................................735
Mode ........................................................................695 Main 12 Causes of Overheating..............................756
ECM Terminals and Reference Value .....................695 DTC P1241 P7.F/INJ TIMG FB ...................................757
On Board Diagnosis Logic.......................................695 Description ...............................................................757
DTC Confirmation Procedure ..................................696 CONSULT-II Reference Value in Data Monitor
Wiring Diagram ........................................................697 Mode ........................................................................757
Diagnostic Procedure ..............................................698 ECM Terminals and Reference Value .....................758
DTC P0500 VEHICLE SPEED SEN............................701 On Board Diagnosis Logic.......................................758
Description ...............................................................701 DTC Confirmation Procedure ..................................758
ECM Terminals and Reference Value .....................701 Wiring Diagram ........................................................760
On Board Diagnosis Logic.......................................701 Diagnostic Procedure ..............................................762
Overall Function Check ...........................................701 DTC P1251 P4.SPILL/V CIRC ....................................764
Wiring Diagram ........................................................703 Description ...............................................................764
Diagnostic Procedure ..............................................705 CONSULT-II Reference Value in Data Monitor
DTC P0571 BRAKE SW..............................................706 Mode ........................................................................764
Description ...............................................................706 ECM Terminals and Reference Value .....................765
ECM Terminals and Reference Value .....................706 On Board Diagnosis Logic.......................................765
On Board Diagnosis Logic.......................................706 DTC Confirmation Procedure ..................................765
DTC Confirmation Procedure ..................................706 Wiring Diagram ........................................................767
Wiring Diagram ........................................................708 Diagnostic Procedure ..............................................769
Diagnostic Procedure ..............................................710 DTC P1337 P2.DTC PULSE SIG ................................771
DTC P1107 ECM 10 ....................................................714 Description ...............................................................771
Description ...............................................................714 CONSULT-II Reference Value in Data Monitor
On Board Diagnosis Logic.......................................714 Mode ........................................................................771
DTC Confirmation Procedure ..................................714 ECM Terminals and Reference Value .....................772
Diagnostic Procedure ..............................................715 On Board Diagnosis Logic.......................................772
DTC P1180 P9.FUEL TEMP SEN ...............................716 DTC Confirmation Procedure ..................................772
Description ...............................................................716 Wiring Diagram ........................................................774
CONSULT-II Reference Value in Data Monitor Diagnostic Procedure ..............................................776
Mode ........................................................................716 DTC P1341 P1.CAM POS SEN ..................................778
ECM Terminals and Reference Value .....................717 Description ...............................................................778
On Board Diagnosis Logic.......................................717 CONSULT-II Reference Value in Data Monitor
DTC Confirmation Procedure ..................................717 Mode ........................................................................778
Wiring Diagram ........................................................719 ECM Terminals and Reference Value .....................779
Diagnostic Procedure ..............................................721 On Board Diagnosis Logic.......................................779
DTC P1202 FUEL CUT SYSTEM2 .............................723 DTC Confirmation Procedure ..................................779
Description ...............................................................723 Wiring Diagram ........................................................781
CONSULT-II Reference Value in Data Monitor Diagnostic Procedure ..............................................783
Mode ........................................................................723 DTC P1600 P3.PUMP COMM LINE............................785
ECM Terminals and Reference Value .....................724 Description ...............................................................785
On Board Diagnosis Logic.......................................724 CONSULT-II Reference Value in Data Monitor
DTC Confirmation Procedure ..................................724 Mode ........................................................................785
Wiring Diagram ........................................................726 ECM Terminals and Reference Value .....................786
Diagnostic Procedure ..............................................728 On Board Diagnosis Logic.......................................786
DTC P1217 OVER HEAT ............................................730 DTC Confirmation Procedure ..................................786
Description ...............................................................730 Wiring Diagram ........................................................788
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