Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Pathfinder 1999-2003 Approved Nissan Pathfinder 2003 ec
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GI
ENGINE CONTROL SYSTEM
MA
SECTION EC EM
LC
FE
CONTENTS CL
MODIFICATION NOTICE ................................................9 Fuel Pressure Regulator Check ................................65
MT
Modification Notice ......................................................9 Injector .......................................................................66
How to Check Vehicle Type ........................................9 How to Check Idle Speed and Ignition Timing..........67
TROUBLE DIAGNOSIS - INDEX ..................................10 Idle Speed/Ignition Timing/Idle Mixture Ratio AT
Alphabetical Index .....................................................10 Adjustment .................................................................69
DTC No. Index...........................................................14 Accelerator Pedal Released Position Learning.........81
PRECAUTIONS .............................................................19 Throttle Valve Closed Position Learning ...................81 TF
Supplemental Restraint System (SRS) AIR Idle Air Volume Learning ...........................................81
BAG and SEAT BELT PRE-TENSIONER.............19 ON BOARD DIAGNOSTIC SYSTEM
Precautions for On Board Diagnostic (OBD) DESCRIPTION ...............................................................85
PD
System of Engine and A/T.........................................19 Introduction ................................................................85
Engine Fuel & Emission Control System ..................20 Two Trip Detection Logic ...........................................85 AX
Precautions ................................................................21 Emission-related Diagnostic Information ...................86
Wiring Diagrams and Trouble Diagnosis...................22 Malfunction Indicator Lamp (MIL)............................102
PREPARATION .............................................................23 OBD System Operation Chart .................................105 SU
Special Service Tools ................................................23 CONSULT-II ............................................................. 111
Commercial Service Tools .........................................24 Generic Scan Tool (GST) ........................................125
ENGINE AND EMISSION CONTROL OVERALL TROUBLE DIAGNOSIS - INTRODUCTION................127 BR
SYSTEM.........................................................................26 Introduction ..............................................................127
Engine Control Component Parts Location...............26 Work Flow................................................................129 ST
Circuit Diagram ..........................................................31 TROUBLE DIAGNOSIS - BASIC INSPECTION .........131
System Diagram ........................................................34 Basic Inspection.......................................................131
Vacuum Hose Drawing ..............................................35 TROUBLE DIAGNOSIS - GENERAL RS
System Chart .............................................................36 DESCRIPTION .............................................................137
ENGINE AND EMISSION BASIC CONTROL DTC Inspection Priority Chart..................................137
SYSTEM DESCRIPTION ...............................................37 Fail-safe Chart .........................................................138 BT
Multiport Fuel Injection (MFI) System .......................37 Symptom Matrix Chart.............................................139
Electronic Ignition (EI) System ..................................39 CONSULT-II Reference Value in Data Monitor
Air Conditioning Cut Control......................................40 Mode ........................................................................143
HA
Fuel Cut Control (at no load & high engine Major Sensor Reference Graph in Data Monitor
speed) ........................................................................41 Mode ........................................................................147 SC
Evaporative Emission System ...................................41 ECM Terminals and Reference Value .....................149
On Board Refueling Vapor Recovery (ORVR) ..........47 TROUBLE DIAGNOSIS - SPECIFICATION VALUE ..159
Positive Crankcase Ventilation ..................................56 Description ...............................................................159 EL
CAN Communication .................................................57 Testing Condition .....................................................159
Automatic Speed Control Device (ASCD) System....62 Inspection Procedure...............................................159
BASIC SERVICE PROCEDURE ...................................64 Diagnostic Procedure ..............................................160
IDX
Fuel Pressure Release ..............................................64 TROUBLE DIAGNOSIS FOR INTERMITTENT
Fuel Pressure Check .................................................64 INCIDENT.....................................................................163
CONTENTS (Cont'd)
Description ...............................................................163 Component Description ...........................................203
Diagnostic Procedure ..............................................163 CONSULT-II Reference Value in Data Monitor
TROUBLE DIAGNOSIS FOR POWER SUPPLY........164 Mode ........................................................................203
ECM Terminals and Reference Value .....................164 ECM Terminals and Reference Value .....................203
Main Power Supply and Ground Circuit..................165 On Board Diagnosis Logic.......................................204
DTC U1000, U1001 CAN COMMUNICATION LINE...172 DTC Confirmation Procedure ..................................204
Description ...............................................................172 Overall Function Check ...........................................206
On Board Diagnosis Logic.......................................172 Wiring Diagram ........................................................207
DTC Confirmation Procedure ..................................172 Diagnostic Procedure ..............................................208
Wiring Diagram ........................................................173 DTC P0102, P0103 MAF SENSOR (TYPE I)..............211
Diagnostic Procedure ..............................................174 Application Notice ....................................................211
DTC P0011, P0021 IVT CONTROL ............................175 Component Description ...........................................211
Description ...............................................................175 CONSULT-II Reference Value in Data Monitor
CONSULT-II Reference Value in Data Monitor Mode ........................................................................211
Mode ........................................................................176 ECM Terminals and Reference Value .....................211
On Board Diagnosis Logic.......................................176 On Board Diagnosis Logic.......................................212
DTC Confirmation Procedure ..................................176 DTC Confirmation Procedure ..................................212
Diagnostic Procedure ..............................................177 Wiring Diagram ........................................................214
Component Inspection.............................................178 Diagnostic Procedure ..............................................215
DTC P0031, P0032, P0051, P0052 HO2S1 DTC P0102, P0103 MAF SENSOR (TYPE II).............219
HEATER.......................................................................179 Application Notice ....................................................219
Description ...............................................................179 Component Description ...........................................219
CONSULT-II Reference Value in Data Monitor CONSULT-II Reference Value in Data Monitor
Mode ........................................................................179 Mode ........................................................................219
ECM Terminals and Reference Value .....................179 ECM Terminals and Reference Value .....................219
On Board Diagnosis Logic.......................................180 On Board Diagnosis Logic.......................................220
DTC Confirmation Procedure ..................................180 DTC Confirmation Procedure ..................................220
Wiring Diagram ........................................................182 Wiring Diagram ........................................................222
Diagnostic Procedure ..............................................184 Diagnostic Procedure ..............................................223
DTC P0037, P0038, P0057, P0058 HO2S2 DTC P0112, P0113 IAT SENSOR (TYPE I) ................226
HEATER.......................................................................187 Application Notice ....................................................226
Description ...............................................................187 Component Description ...........................................226
CONSULT-II Reference Value in Data Monitor On Board Diagnosis Logic.......................................226
Mode ........................................................................187 DTC Confirmation Procedure ..................................226
ECM Terminals and Reference Value .....................187 Wiring Diagram ........................................................228
On Board Diagnosis Logic.......................................188 Diagnostic Procedure ..............................................229
DTC Confirmation Procedure ..................................188 Component Inspection.............................................230
Wiring Diagram ........................................................190 DTC P0112, P0113 IAT SENSOR (TYPE II) ...............231
Diagnostic Procedure ..............................................192 Application Notice ....................................................231
DTC P0101 MAF SENSOR (TYPE I) ..........................194 Component Description ...........................................231
Application Notice ....................................................194 On Board Diagnosis Logic.......................................231
Component Description ...........................................194 DTC Confirmation Procedure ..................................231
CONSULT-II Reference Value in Data Monitor Wiring Diagram ........................................................233
Mode ........................................................................194 Diagnostic Procedure ..............................................234
ECM Terminals and Reference Value .....................194 Component Inspection.............................................235
On Board Diagnosis Logic.......................................195 DTC P0117, P0118 ECT SENSOR..............................236
DTC Confirmation Procedure ..................................195 Component Description ...........................................236
Overall Function Check ...........................................196 On Board Diagnosis Logic.......................................236
Wiring Diagram ........................................................198 DTC Confirmation Procedure ..................................237
Diagnostic Procedure ..............................................199 Wiring Diagram ........................................................238
DTC P0101 MAF SENSOR (TYPE II) .........................203 Diagnostic Procedure ..............................................239
Application Notice ....................................................203 DTC P0122, P0123 TP SENSOR................................241
EC-2
CONTENTS (Cont'd) GI
Component Description ...........................................241 DTC P0138, P0158 HO2S2 .........................................287
CONSULT-II Reference Value in Data Monitor Component Description ...........................................287 MA
Mode ........................................................................241 CONSULT-II Reference Value in Data Monitor
ECM Terminals and Reference Value .....................241 Mode ........................................................................287
On Board Diagnosis Logic.......................................242 ECM Terminals and Reference Value .....................287 EM
DTC Confirmation Procedure ..................................242 On Board Diagnosis Logic.......................................287
Wiring Diagram ........................................................244 DTC Confirmation Procedure ..................................288
Diagnostic Procedure ..............................................245 Wiring Diagram ........................................................289
LC
Component Inspection.............................................247 Diagnostic Procedure ..............................................291
DTC P0125 ECT SENSOR..........................................249 DTC P0139, P0159 HO2S2 .........................................295
Description ...............................................................249 Component Description ...........................................295
On Board Diagnosis Logic.......................................249 CONSULT-II Reference Value in Data Monitor
DTC Confirmation Procedure ..................................250 Mode ........................................................................295 FE
Diagnostic Procedure ..............................................250 ECM Terminals and Reference Value .....................295
DTC P0127 IAT SENSOR ...........................................252 On Board Diagnosis Logic.......................................295
Component Description ...........................................252 DTC Confirmation Procedure ..................................296
CL
On Board Diagnosis Logic.......................................252 Overall Function Check ...........................................296
DTC Confirmation Procedure ..................................252 Wiring Diagram ........................................................298 MT
Diagnostic Procedure ..............................................253 Diagnostic Procedure ..............................................300
DTC P0128 THERMOSTAT FUNCTION.....................254 DTC P0171, P0174 FUEL INJECTION SYSTEM
On Board Diagnosis Logic.......................................254 FUNCTION ...................................................................304 AT
DTC Confirmation Procedure ..................................254 On Board Diagnosis Logic.......................................304
Diagnostic Procedure ..............................................255 DTC Confirmation Procedure ..................................304
DTC P0132, P0152 HO2S1 .........................................256 Wiring Diagram ........................................................306 TF
Component Description ...........................................256 Diagnostic Procedure ..............................................308
CONSULT-II Reference Value in Data Monitor DTC P0172, P0175 FUEL INJECTION SYSTEM
PD
Mode ........................................................................256 FUNCTION ...................................................................312
ECM Terminals and Reference Value .....................256 On Board Diagnosis Logic.......................................312
On Board Diagnosis Logic.......................................257 DTC Confirmation Procedure ..................................312 AX
DTC Confirmation Procedure ..................................257 Wiring Diagram ........................................................314
Wiring Diagram ........................................................258 Diagnostic Procedure ..............................................316
Diagnostic Procedure ..............................................260 DTC P0181 FTT SENSOR ..........................................319 SU
DTC P0133, P0153 HO2S1 .........................................264 Component Description ...........................................319
Component Description ...........................................264 On Board Diagnosis Logic.......................................319
CONSULT-II Reference Value in Data Monitor DTC Confirmation Procedure ..................................319
BR
Mode ........................................................................264 Diagnostic Procedure ..............................................320
ECM Terminals and Reference Value .....................264 DTC P0182, P0183 FTT SENSOR..............................322 ST
On Board Diagnosis Logic.......................................265 Component Description ...........................................322
DTC Confirmation Procedure ..................................265 On Board Diagnosis Logic.......................................322
Overall Function Check ...........................................266 DTC Confirmation Procedure ..................................322 RS
Wiring Diagram ........................................................267 Wiring Diagram ........................................................324
Diagnostic Procedure ..............................................269 Diagnostic Procedure ..............................................325
DTC P0134, P0154 HO2S1 .........................................278 DTC P0222, P0223 TP SENSOR................................327 BT
Component Description ...........................................278 Component Description ...........................................327
CONSULT-II Reference Value in Data Monitor CONSULT-II Reference Value in Data Monitor HA
Mode ........................................................................278 Mode ........................................................................327
ECM Terminals and Reference Value .....................278 ECM Terminals and Reference Value .....................327
On Board Diagnosis Logic.......................................279 On Board Diagnosis Logic.......................................328 SC
DTC Confirmation Procedure ..................................279 DTC Confirmation Procedure ..................................328
Overall Function Check ...........................................280 Wiring Diagram ........................................................330
Wiring Diagram ........................................................281 Diagnostic Procedure ..............................................331 EL
Diagnostic Procedure ..............................................283 Component Inspection.............................................333
IDX
EC-3
CONTENTS (Cont'd)
DTC P0300 - P0306 MULTIPLE CYLINDER Wiring Diagram ........................................................399
MISFIRE, NO. 1 - 6 CYLINDER MISFIRE ..................335 Diagnostic Procedure ..............................................400
On Board Diagnosis Logic.......................................335 DTC P0447 EVAP CANISTER VENT CONTROL
DTC Confirmation Procedure ..................................336 VALVE..........................................................................403
Diagnostic Procedure ..............................................337 Component Description ...........................................403
DTC P0327, P0328 KS................................................345 CONSULT-II Reference Value in Data Monitor
Component Description ...........................................345 Mode ........................................................................403
ECM Terminals and Reference Value .....................345 ECM Terminals and Reference Value .....................403
On Board Diagnosis Logic.......................................345 On Board Diagnosis Logic.......................................403
DTC Confirmation Procedure ..................................345 DTC Confirmation Procedure ..................................404
Wiring Diagram ........................................................346 Wiring Diagram ........................................................405
Diagnostic Procedure ..............................................347 Diagnostic Procedure ..............................................406
DTC P0335 CKP SENSOR (POS) ..............................350 DTC P0452 EVAP SYSTEM PRESSURE SENSOR ..410
Component Description ...........................................350 Component Description ...........................................410
CONSULT-II Reference Value in Data Monitor CONSULT-II Reference Value in Data Monitor
Mode ........................................................................350 Mode ........................................................................410
On Board Diagnosis Logic.......................................350 ECM Terminals and Reference Value .....................410
DTC Confirmation Procedure ..................................351 On Board Diagnosis Logic.......................................411
Wiring Diagram ........................................................352 DTC Confirmation Procedure ..................................411
Diagnostic Procedure ..............................................353 Wiring Diagram ........................................................412
Component Inspection.............................................356 Diagnostic Procedure ..............................................413
DTC P0340, P0345 CMP SENSOR (PHASE) ............357 DTC P0453 EVAP SYSTEM PRESSURE SENSOR ..416
Component Description ...........................................357 Component Description ...........................................416
On Board Diagnosis Logic.......................................357 CONSULT-II Reference Value in Data Monitor
DTC Confirmation Procedure ..................................357 Mode ........................................................................416
Wiring Diagram ........................................................359 ECM Terminals and Reference Value .....................416
Diagnostic Procedure ..............................................361 On Board Diagnosis Logic.......................................417
Component Inspection.............................................365 DTC Confirmation Procedure ..................................417
DTC P0420, P0430 THREE WAY CATALYST Wiring Diagram ........................................................418
FUNCTION ...................................................................366 Diagnostic Procedure ..............................................419
On Board Diagnosis Logic.......................................366 DTC P0455 EVAP CONTROL SYSTEM.....................425
DTC Confirmation Procedure ..................................366 On Board Diagnosis Logic.......................................425
Overall Function Check ...........................................367 DTC Confirmation Procedure ..................................426
Diagnostic Procedure ..............................................367 Diagnostic Procedure ..............................................427
DTC P0441 EVAP CONTROL SYSTEM.....................371 DTC P0456 EVAP CONTROL SYSTEM.....................438
System Description..................................................371 On Board Diagnosis Logic.......................................438
On Board Diagnosis Logic.......................................371 DTC Confirmation Procedure ..................................439
DTC Confirmation Procedure ..................................372 Overall Function Check ...........................................440
Overall Function Check ...........................................372 Diagnostic Procedure ..............................................441
Diagnostic Procedure ..............................................374 DTC P0460 FUEL LEVEL SENSOR...........................454
DTC P0442 EVAP CONTROL SYSTEM.....................381 Component Description ...........................................454
On Board Diagnosis Logic.......................................381 On Board Diagnostic Logic......................................454
DTC Confirmation Procedure ..................................382 DTC Confirmation Procedure ..................................454
Diagnostic Procedure ..............................................383 Diagnostic Procedure ..............................................455
DTC P0444, P0445 EVAP CANISTER PURGE DTC P0461 FUEL LEVEL SENSOR...........................456
VOLUME CONTROL SOLENOID VALVE ..................396 Component Description ...........................................456
Description ...............................................................396 On Board Diagnostic Logic......................................456
CONSULT-II Reference Value in Data Monitor Overall Function Check ...........................................456
Mode ........................................................................396 Diagnostic Procedure ..............................................457
ECM Terminals and Reference Value .....................397 DTC P0462, P0463 FUEL LEVEL SENSOR ..............458
On Board Diagnosis Logic.......................................397 Component Description ...........................................458
DTC Confirmation Procedure ..................................398 On Board Diagnostic Logic......................................458
EC-4
CONTENTS (Cont'd) GI
DTC Confirmation Procedure ..................................458 CONSULT-II Reference Value in Data Monitor
Diagnostic Procedure ..............................................459 Mode ........................................................................485 MA
DTC P0500 VSS ..........................................................460 On Board Diagnosis Logic.......................................486
Description ...............................................................460 DTC Confirmation Procedure ..................................486
On Board Diagnosis Logic.......................................460 Diagnostic Procedure ..............................................487 EM
DTC Confirmation Procedure ..................................460 DTC P1111, P1136 IVT CONTROL SOLENOID
Overall Function Check ...........................................461 VALVE..........................................................................488
Diagnostic Procedure ..............................................461 Component Description ...........................................488
LC
DTC P0506 ISC SYSTEM ...........................................462 CONSULT-II Reference Value in Data Monitor
Description ...............................................................462 Mode ........................................................................488
On Board Diagnosis Logic.......................................462 ECM Terminals and Reference Value .....................488
DTC Confirmation Procedure ..................................462 On Board Diagnosis Logic.......................................489
Diagnostic Procedure ..............................................463 DTC Confirmation Procedure ..................................489 FE
DTC P0507 ISC SYSTEM ...........................................464 Wiring Diagram ........................................................490
Description ...............................................................464 Diagnostic Procedure ..............................................492
On Board Diagnosis Logic.......................................464 DTC P1121 ELECTRIC THROTTLE CONTROL
CL
DTC Confirmation Procedure ..................................464 ACTUATOR .................................................................494
Diagnostic Procedure ..............................................465 Component Description ...........................................494 MT
DTC P0550 PSP SENSOR..........................................466 On Board Diagnosis Logic.......................................494
Component Description ...........................................466 DTC Confirmation Procedure ..................................494
CONSULT-II Reference Value in Data Monitor Diagnostic Procedure ..............................................495 AT
Mode ........................................................................466 DTC P1122 ELECTRIC THROTTLE CONTROL
On Board Diagnosis Logic.......................................466 FUNCTION ...................................................................496
DTC Confirmation Procedure ..................................466 Description ...............................................................496 TF
Wiring Diagram ........................................................467 ECM Terminals and Reference Value .....................496
Diagnostic Procedure ..............................................468 On Board Diagnosis Logic.......................................497
PD
Component Inspection.............................................470 DTC Confirmation Procedure ..................................497
DTC P0605 ECM .........................................................471 Wiring Diagram ........................................................498
Component Description ...........................................471 Diagnostic Procedure ..............................................499 AX
On Board Diagnosis Logic.......................................471 Component Inspection.............................................503
DTC Confirmation Procedure ..................................471 DTC P1124, P1126 THROTTLE CONTROL
Diagnostic Procedure ..............................................472 MOTOR RELAY...........................................................504 SU
DTC P1065 ECM POWER SUPPLY (BACK UP).......473 Component Description ...........................................504
Component Description ...........................................473 CONSULT-II Reference Value in Data Monitor
ECM Terminals and Reference Value .....................473 Mode ........................................................................504
BR
On Board Diagnosis Logic.......................................473 ECM Terminals and Reference Value .....................504
DTC Confirmation Procedure ..................................473 On Board Diagnosis Logic.......................................504 ST
Wiring Diagram ........................................................475 DTC Confirmation Procedure ..................................505
Diagnostic Procedure ..............................................476 Wiring Diagram ........................................................506
DTC P1102 MAF SENSOR (TYPE I) ..........................478 Diagnostic Procedure ..............................................507 RS
Application Notice ....................................................478 Component Inspection.............................................508
Component Description ...........................................478 DTC P1128 THROTTLE CONTROL MOTOR.............509
CONSULT-II Reference Value in Data Monitor Component Description ...........................................509 BT
Mode ........................................................................478 ECM Terminals and Reference Value .....................509
ECM Terminals and Reference Value .....................478 On Board Diagnosis Logic.......................................509 HA
On Board Diagnosis Logic.......................................479 DTC Confirmation Procedure ..................................509
DTC Confirmation Procedure ..................................479 Wiring Diagram ........................................................511
Wiring Diagram ........................................................480 Diagnostic Procedure ..............................................512 SC
Diagnostic Procedure ..............................................481 Component Inspection.............................................513
DTC P1110, P1135 IVT CONTROL.............................485 DTC P1130 SWIRL CONTROL VALVE CONTROL
Description ...............................................................485 SOLENOID VALVE......................................................514 EL
Description ...............................................................514
IDX
EC-5
CONTENTS (Cont'd)
CONSULT-II Reference Value in Data Monitor Overall Function Check ...........................................567
Mode ........................................................................515 Wiring Diagram ........................................................569
ECM Terminals and Reference Value .....................515 Diagnostic Procedure ..............................................571
On Board Diagnosis Logic.......................................516 DTC P1148, P1168 CLOSED LOOP CONTROL........575
DTC Confirmation Procedure ..................................516 On Board Diagnosis Logic.......................................575
Wiring Diagram ........................................................518 DTC Confirmation Procedure ..................................575
Diagnostic Procedure ..............................................519 Overall Function Check ...........................................576
DTC P1131 SWIRL CONTROL VALVE CONTROL Diagnostic Procedure ..............................................576
SOLENOID VALVE......................................................535 DTC P1165 SWIRL CONTROL VALVE CONTROL
Component Description ...........................................535 VACUUM CHECK SWITCH.........................................577
CONSULT-II Reference Value in Data Monitor Component Description ...........................................577
Mode ........................................................................535 CONSULT-II Reference Value in Data Monitor
ECM Terminals and Reference Value .....................535 Mode ........................................................................577
On Board Diagnosis Logic.......................................535 ECM Terminals and Reference Value .....................577
DTC Confirmation Procedure ..................................536 On Board Diagnosis Logic.......................................578
Wiring Diagram ........................................................537 DTC Confirmation Procedure ..................................578
Diagnostic Procedure ..............................................538 Wiring Diagram ........................................................579
DTC P1143, P1163 HO2S1 .........................................541 Diagnostic Procedure ..............................................580
Component Description ...........................................541 DTC P1211 ABS/TCS CONTROL UNIT .....................583
CONSULT-II Reference Value in Data Monitor Description ...............................................................583
Mode ........................................................................541 On Board Diagnosis Logic.......................................583
ECM Terminals and Reference Value .....................541 DTC Confirmation Procedure ..................................583
On Board Diagnosis Logic.......................................542 Diagnostic Procedure ..............................................584
DTC Confirmation Procedure ..................................542 DTC P1212 ABS/TCS COMMUNICATION LINE........585
Overall Function Check ...........................................543 Description ...............................................................585
Diagnostic Procedure ..............................................544 On Board Diagnosis Logic.......................................585
DTC P1144, P1164 HO2S1 .........................................549 DTC Confirmation Procedure ..................................585
Component Description ...........................................549 Diagnostic Procedure ..............................................586
CONSULT-II Reference Value in Data Monitor DTC P1217 ENGINE OVER TEMPERATURE............587
Mode ........................................................................549 On Board Diagnosis Logic.......................................587
ECM Terminals and Reference Value .....................549 Overall Function Check ...........................................587
On Board Diagnosis Logic.......................................550 Diagnostic Procedure ..............................................588
DTC Confirmation Procedure ..................................550 Main 12 Causes of Overheating..............................591
Overall Function Check ...........................................551 DTC P1225 TP SENSOR ............................................592
Diagnostic Procedure ..............................................552 Component Description ...........................................592
DTC P1146, P1166 HO2S2 .........................................557 On Board Diagnosis Logic.......................................592
Component Description ...........................................557 DTC Confirmation Procedure ..................................592
CONSULT-II Reference Value in Data Monitor Diagnostic Procedure ..............................................593
Mode ........................................................................557 DTC P1226 TP SENSOR ............................................594
ECM Terminals and Reference Value .....................557 Component Description ...........................................594
On Board Diagnosis Logic.......................................557 On Board Diagnosis Logic.......................................594
DTC Confirmation Procedure ..................................558 DTC Confirmation Procedure ..................................594
Overall Function Check ...........................................558 Diagnostic Procedure ..............................................595
Wiring Diagram ........................................................560 DTC P1229 SENSOR POWER SUPPLY....................596
Diagnostic Procedure ..............................................562 ECM Terminals and Reference Value .....................596
DTC P1147, P1167 HO2S2 .........................................566 On Board Diagnosis Logic.......................................596
Component Description ...........................................566 DTC Confirmation Procedure ..................................596
CONSULT-II Reference Value in Data Monitor Wiring Diagram ........................................................598
Mode ........................................................................566 Diagnostic Procedure ..............................................599
ECM Terminals and Reference Value .....................566 DTC P1442 EVAP CONTROL SYSTEM.....................601
On Board Diagnosis Logic.......................................566 On Board Diagnosis Logic.......................................601
DTC Confirmation Procedure ..................................567 DTC Confirmation Procedure ..................................602
EC-6
CONTENTS (Cont'd) GI
Diagnostic Procedure ..............................................603 ECM Terminals and Reference Value .....................667
DTC P1444 EVAP CANISTER PURGE VOLUME On Board Diagnosis Logic.......................................668 MA
CONTROL SOLENOID VALVE...................................616 DTC Confirmation Procedure ..................................668
Description ...............................................................616 Overall Function Check ...........................................669
CONSULT-II Reference Value in Data Monitor Wiring Diagram ........................................................670 EM
Mode ........................................................................616 Diagnostic Procedure ..............................................671
ECM Terminals and Reference Value .....................617 DTC P1564 ASCD STEERING SWITCH ....................679
On Board Diagnosis Logic.......................................617 Component Description ...........................................679
LC
DTC Confirmation Procedure ..................................617 CONSULT-II Reference Value in Data Monitor
Wiring Diagram ........................................................619 Mode ........................................................................679
Diagnostic Procedure ..............................................620 ECM Terminals and Reference Value .....................679
DTC P1446 EVAP CANISTER VENT CONTROL On Board Diagnosis Procedure...............................680
VALVE..........................................................................628 DTC Confirmation Procedure ..................................680 FE
Component Description ...........................................628 Wiring Diagram ........................................................681
CONSULT-II Reference Value in Data Monitor Diagnostic Procedure ..............................................682
Mode ........................................................................628 Component Inspection.............................................684
CL
ECM Terminals and Reference Value .....................628 DTC P1572 ASCD BRAKE SWITCH..........................685
On Board Diagnosis Logic.......................................628 Component Description ...........................................685 MT
DTC Confirmation Procedure ..................................629 CONSULT-II Reference Value in Data Monitor
Wiring Diagram ........................................................630 Mode ........................................................................685
Diagnostic Procedure ..............................................631 ECM Terminals and Reference Value .....................685 AT
DTC P1448 EVAP CANISTER VENT CONTROL On Board Diagnosis Procedure...............................686
VALVE..........................................................................636 DTC Confirmation Procedure ..................................686
Component Description ...........................................636 Wiring Diagram ........................................................688 TF
CONSULT-II Reference Value in Data Monitor Diagnostic Procedure ..............................................689
Mode ........................................................................636 Component Inspection.............................................694
PD
ECM Terminals and Reference Value .....................636 DTC P1706 PNP SWITCH...........................................696
On Board Diagnosis Logic.......................................636 Component Description ...........................................696
DTC Confirmation Procedure ..................................637 CONSULT-II Reference Value in Data Monitor AX
Overall Function Check ...........................................638 Mode ........................................................................696
Wiring Diagram ........................................................639 ECM Terminals and Reference Value .....................696
Diagnostic Procedure ..............................................640 On Board Diagnosis Logic.......................................696 SU
DTC P1456 EVAP CONTROL SYSTEM.....................645 DTC Confirmation Procedure ..................................696
On Board Diagnosis Logic.......................................645 Overall Function Check ...........................................697
DTC Confirmation Procedure ..................................646 Wiring Diagram ........................................................698
BR
Overall Function Check ...........................................647 Diagnostic Procedure ..............................................699
Diagnostic Procedure ..............................................648 DTC P1805 BRAKE SWITCH .....................................702 ST
DTC P1490 VACUUM CUT VALVE BYPASS Description ...............................................................702
VALVE..........................................................................661 CONSULT-II Reference Value in Data Monitor
Description ...............................................................661 Mode ........................................................................702 RS
CONSULT-II Reference Value in Data Monitor ECM Terminals and Reference Value .....................702
Mode ........................................................................661 On Board Diagnosis Logic.......................................702
ECM Terminals and Reference Value .....................661 DTC Confirmation Procedure ..................................703 BT
On Board Diagnosis Logic.......................................662 Wiring Diagram ........................................................704
DTC Confirmation Procedure ..................................662 Diagnostic Procedure ..............................................705 HA
Wiring Diagram ........................................................663 Component Inspection.............................................707
Diagnostic Procedure ..............................................664 DTC P2122, P2123 APP SENSOR .............................708
DTC P1491 VACUUM CUT VALVE BYPASS Component Description ...........................................708 SC
VALVE..........................................................................667 CONSULT-II Reference Value in Data Monitor
Description ...............................................................667 Mode ........................................................................708
CONSULT-II Reference Value in Data Monitor ECM Terminals and Reference Value .....................708 EL
Mode ........................................................................667 On Board Diagnosis Logic.......................................709
IDX
EC-7
CONTENTS (Cont'd)
DTC Confirmation Procedure ..................................710 Wiring Diagram ........................................................759
Wiring Diagram ........................................................711 Diagnostic Procedure ..............................................760
Diagnostic Procedure ..............................................712 FUEL PUMP.................................................................763
Component Inspection.............................................714 System Description..................................................763
DTC P2127, P2128 APP SENSOR .............................715 Component Description ...........................................763
Component Description ...........................................715 CONSULT-II Reference Value in Data Monitor
CONSULT-II Reference Value in Data Monitor Mode ........................................................................763
Mode ........................................................................715 ECM Terminals and Reference Value .....................764
ECM Terminals and Reference Value .....................715 Wiring Diagram ........................................................765
On Board Diagnosis Logic.......................................716 Diagnostic Procedure ..............................................766
DTC Confirmation Procedure ..................................717 REFRIGERANT PRESSURE SENSOR ......................770
Wiring Diagram ........................................................718 Description ...............................................................770
Diagnostic Procedure ..............................................719 ECM Terminals and Reference Value .....................770
Component Inspection.............................................722 Wiring Diagram ........................................................771
DTC P2135 TP SENSOR ............................................723 Diagnostic Procedure ..............................................772
Component Description ...........................................723 ASCD BRAKE SWITCH ..............................................775
CONSULT-II Reference Value in Data Monitor Component Description ...........................................775
Mode ........................................................................723 CONSULT-II Reference Value in Data Monitor
ECM Terminals and Reference Value .....................723 Mode ........................................................................775
On Board Diagnosis Logic.......................................724 ECM Terminals and Reference Value .....................775
DTC Confirmation Procedure ..................................724 Wiring Diagram ........................................................776
Wiring Diagram ........................................................726 Diagnostic Procedure ..............................................777
Diagnostic Procedure ..............................................727 ASCD INDICATOR LAMP...........................................783
Component Inspection.............................................729 Component Description ...........................................783
DTC P2138 APP SENSOR..........................................731 CONSULT-II Reference Value in Data Monitor
Component Description ...........................................731 Mode ........................................................................783
CONSULT-II Reference Value in Data Monitor Wiring Diagram ........................................................784
Mode ........................................................................731 Diagnostic Procedure ..............................................785
ECM Terminals and Reference Value .....................731 ELECTRICAL LOAD SIGNAL.....................................786
On Board Diagnosis Logic.......................................732 ECM Terminals and Reference Value .....................786
DTC Confirmation Procedure ..................................733 Wiring Diagram ........................................................787
Wiring Diagram ........................................................734 Diagnostic Procedure ..............................................788
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