2006 INFINITI M35 stall

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Revision: 2006 January2006 M35/M45 On Board Diagnosis Logic ...................................241
DTC Confirmation Procedure ...............................241
Diagnostic Procedure ...........................................242
Component Inspection .........................................243
Removal and Installation ......................................243
DTC P0128 THERMOSTAT FUNCTION ................244
On Board Diagnosis Logic ...................................244
DTC Confirmation Procedure ...............................244
Diagnostic Procedure ...........................................244
Component Inspection .........................................245
Removal and Installation ......................................245
DTC P0130, P0150 A/F SENSOR 1 .......................246
Component Description ........................................246
CONSULT-II Reference Value in Data Monitor Mode
.246
On Board Diagnosis Logic ...................................246
DTC Confirmation Procedure ...............................246
Overall Function Check ........................................247
Wiring Diagram ....................................................249
Diagnostic Procedure ...........................................252
Removal and Installation ......................................255
DTC P0131, P0151 A/F SENSOR 1 .......................256
Component Description ........................................256
CONSULT-II Reference Value in Data Monitor Mode
.256
On Board Diagnosis Logic ...................................256
DTC Confirmation Procedure ...............................256
Wiring Diagram ....................................................258
Diagnostic Procedure ...........................................261
Removal and Installation ......................................264
DTC P0132, P0152 A/F SENSOR 1 .......................265
Component Description ........................................265
CONSULT-II Reference Value in Data Monitor Mode
.265
On Board Diagnosis Logic ...................................265
DTC Confirmation Procedure ...............................265
Wiring Diagram ....................................................267
Diagnostic Procedure ...........................................270
Removal and Installation ......................................273
DTC P0133, P0153 A/F SENSOR 1 .......................274
Component Description ........................................274
CONSULT-II Reference Value in Data Monitor Mode
.274
On Board Diagnosis Logic ...................................274
DTC Confirmation Procedure ...............................275
Wiring Diagram ....................................................277
Diagnostic Procedure ...........................................280
Removal and Installation ......................................285
DTC P0137, P0157 HO2S2 ....................................286
Component Description ........................................286
CONSULT-II Reference Value in Data Monitor Mode
.286
On Board Diagnosis Logic ...................................286
DTC Confirmation Procedure ...............................287
Overall Function Check ........................................287
Wiring Diagram ....................................................289
Diagnostic Procedure ...........................................292
Component Inspection .........................................294
Removal and Installation ......................................296DTC P0138, P0158 HO2S2 .....................................297
Component Description ........................................297
CONSULT-II Reference Value in Data Monitor Mode
.297
On Board Diagnosis Logic ....................................297
DTC Confirmation Procedure ...............................298
Overall Function Check ........................................299
Wiring Diagram .....................................................300
Diagnostic Procedure ...........................................303
Component Inspection ..........................................307
Removal and Installation ......................................309
DTC P0139, P0159 HO2S2 .....................................310
Component Description ........................................310
CONSULT-II Reference Value in Data Monitor Mode
.310
On Board Diagnosis Logic ....................................310
DTC Confirmation Procedure ...............................311
Overall Function Check ........................................311
Wiring Diagram .....................................................313
Diagnostic Procedure ...........................................316
Component Inspection ..........................................318
Removal and Installation ......................................320
DTC P0171, P0174 FUEL INJECTION SYSTEM
FUNCTION ..............................................................321
On Board Diagnosis Logic ....................................321
DTC Confirmation Procedure ...............................321
Wiring Diagram .....................................................323
Diagnostic Procedure ...........................................327
DTC P0172, P0175 FUEL INJECTION SYSTEM
FUNCTION ..............................................................332
On Board Diagnosis Logic ....................................332
DTC Confirmation Procedure ...............................332
Wiring Diagram .....................................................334
Diagnostic Procedure ...........................................338
DTC P0181 FTT SENSOR ......................................343
Component Description ........................................343
On Board Diagnosis Logic ....................................343
DTC Confirmation Procedure ...............................343
Wiring Diagram .....................................................345
Diagnostic Procedure ...........................................346
Component Inspection ..........................................348
Removal and Installation ......................................348
DTC P0182, P0183 FTT SENSOR ..........................349
Component Description ........................................349
On Board Diagnosis Logic ....................................349
DTC Confirmation Procedure ...............................349
Wiring Diagram .....................................................350
Diagnostic Procedure ...........................................351
Component Inspection ..........................................353
Removal and Installation ......................................353
DTC P0222, P0223 TP SENSOR ............................354
Component Description ........................................354
CONSULT-II Reference Value in Data Monitor Mode
.354
On Board Diagnosis Logic ....................................354
DTC Confirmation Procedure ...............................355
Wiring Diagram .....................................................356
Diagnostic Procedure ...........................................357

EC-4Revision: 2006 January2006 M35/M45 Component Inspection ..........................................360
Removal and Installation ......................................360
DTC P0300 - P0306 MULTIPLE CYLINDER MIS-
FIRE, NO. 1 - 6 CYLINDER MISFIRE .....................361
On Board Diagnosis Logic ....................................361
DTC Confirmation Procedure ...............................361
Diagnostic Procedure ...........................................362
DTC P0327, P0328 KS ............................................371
Component Description ........................................371
On Board Diagnosis Logic ....................................371
DTC Confirmation Procedure ...............................371
Wiring Diagram .....................................................372
Diagnostic Procedure ...........................................373
Component Inspection ..........................................375
Removal and Installation ......................................375
DTC P0335 CKP SENSOR (POS) ..........................376
Component Description ........................................376
CONSULT-II Reference Value in Data Monitor Mode
.376
On Board Diagnosis Logic ....................................376
DTC Confirmation Procedure ...............................377
Wiring Diagram .....................................................378
Diagnostic Procedure ...........................................379
Component Inspection ..........................................382
Removal and Installation ......................................382
DTC P0340, P0345 CMP SENSOR (PHASE) .........383
Component Description ........................................383
CONSULT-II Reference Value in Data Monitor Mode
.383
On Board Diagnosis Logic ....................................383
DTC Confirmation Procedure ...............................383
Wiring Diagram .....................................................385
Diagnostic Procedure ...........................................388
Component Inspection ..........................................391
Removal and Installation ......................................391
DTC P0420, P0430 THREE WAY CATALYST FUNC-
TION ........................................................................392
On Board Diagnosis Logic ....................................392
DTC Confirmation Procedure ...............................392
Overall Function Check ........................................393
Diagnostic Procedure ...........................................394
DTC P0441 EVAP CONTROL SYSTEM .................398
System Description ...............................................398
On Board Diagnosis Logic ....................................398
DTC Confirmation Procedure ...............................398
Overall Function Check ........................................399
Diagnostic Procedure ...........................................400
DTC P0442 EVAP CONTROL SYSTEM .................403
On Board Diagnosis Logic ....................................403
DTC Confirmation Procedure ...............................404
Diagnostic Procedure ...........................................405
DTC P0443 EVAP CANISTER PURGE VOLUME
CONTROL SOLENOID VALVE ...............................412
Description ............................................................412
CONSULT-II Reference Value in Data Monitor Mode
.412
On Board Diagnosis Logic ....................................413
DTC Confirmation Procedure ...............................413
Wiring Diagram .....................................................414Diagnostic Procedure ............................................416
Component Inspection ..........................................419
Removal and Installation .......................................419
DTC P0444, P0445 EVAP CANISTER PURGE VOL-
UME CONTROL SOLENOID VALVE ......................420
Description ............................................................420
CONSULT-II Reference Value in Data Monitor Mode
.420
On Board Diagnosis Logic ....................................421
DTC Confirmation Procedure ................................421
Wiring Diagram .....................................................422
Diagnostic Procedure ............................................424
Component Inspection ..........................................425
Removal and Installation .......................................426
DTC P0447 EVAP CANISTER VENT CONTROL
VALVE ......................................................................427
Component Description ........................................427
CONSULT-II Reference Value in Data Monitor Mode
.427
On Board Diagnosis Logic ....................................427
DTC Confirmation Procedure ................................428
Wiring Diagram .....................................................429
Diagnostic Procedure ............................................430
Component Inspection ..........................................432
DTC P0448 EVAP CANISTER VENT CONTROL
VALVE ......................................................................434
Component Description ........................................434
CONSULT-II Reference Value in Data Monitor Mode
.434
On Board Diagnosis Logic ....................................434
DTC Confirmation Procedure ................................435
Wiring Diagram .....................................................436
Diagnostic Procedure ............................................437
Component Inspection ..........................................438
DTC P0451 EVAP CONTROL SYSTEM PRESSURE
SENSOR ..................................................................440
Component Description ........................................440
CONSULT-II Reference Value in Data Monitor Mode
.440
On Board Diagnosis Logic ....................................440
DTC Confirmation Procedure ................................441
Diagnostic Procedure ............................................441
Component Inspection ..........................................442
DTC P0452 EVAP CONTROL SYSTEM PRESSURE
SENSOR .................................................................
.443
Component Description ........................................443
CONSULT-II Reference Value in Data Monitor Mode
.443
On Board Diagnosis Logic ....................................443
DTC Confirmation Procedure ................................444
Wiring Diagram .....................................................445
Diagnostic Procedure ............................................446
Component Inspection ..........................................448
DTC P0453 EVAP CONTROL SYSTEM PRESSURE
SENSOR ..................................................................450
Component Description ........................................450
CONSULT-II Reference Value in Data Monitor Mode
.450
On Board Diagnosis Logic ....................................450

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Revision: 2006 January2006 M35/M45 DTC Confirmation Procedure ...............................451
Wiring Diagram ....................................................452
Diagnostic Procedure ...........................................453
Component Inspection .........................................457
DTC P0455 EVAP CONTROL SYSTEM ................458
On Board Diagnosis Logic ...................................458
DTC Confirmation Procedure ...............................459
Diagnostic Procedure ...........................................460
DTC P0456 EVAP CONTROL SYSTEM ................466
On Board Diagnosis Logic ...................................466
DTC Confirmation Procedure ...............................467
Overall Function Check ........................................468
Diagnostic Procedure ...........................................469
DTC P0460 FUEL LEVEL SENSOR ......................475
Component Description ........................................475
On Board Diagnosis Logic ...................................475
DTC Confirmation Procedure ...............................475
Diagnostic Procedure ...........................................476
Removal and Installation ......................................476
DTC P0461 FUEL LEVEL SENSOR ......................477
Component Description ........................................477
On Board Diagnosis Logic ...................................477
Overall Function Check ........................................477
Diagnostic Procedure ...........................................478
Removal and Installation ......................................478
DTC P0462, P0463 FUEL LEVEL SENSOR CIR-
CUIT ........................................................................479
Component Description ........................................479
On Board Diagnosis Logic ...................................479
DTC Confirmation Procedure ...............................479
Diagnostic Procedure ...........................................480
Removal and Installation ......................................480
DTC P0500 VSS .....................................................481
Description ...........................................................481
On Board Diagnosis Logic ...................................481
DTC Confirmation Procedure ...............................481
Overall Function Check ........................................482
Diagnostic Procedure ...........................................482
DTC P0506 ISC SYSTEM .......................................483
Description ...........................................................483
On Board Diagnosis Logic ...................................483
DTC Confirmation Procedure ...............................483
Diagnostic Procedure ...........................................484
DTC P0507 ISC SYSTEM .......................................485
Description ...........................................................485
On Board Diagnosis Logic ...................................485
DTC Confirmation Procedure ..............................
.485
Diagnostic Procedure ...........................................486
DTC P0550 PSP SENSOR .....................................487
Component Description ........................................487
CONSULT-II Reference Value in Data Monitor Mode
.487
On Board Diagnosis Logic ...................................487
DTC Confirmation Procedure ...............................487
Wiring Diagram ....................................................488
Diagnostic Procedure ...........................................489
Component Inspection .........................................491
Removal and Installation ......................................491DTC P0603 ECM POWER SUPPLY .......................492
Component Description ........................................492
On Board Diagnosis Logic ....................................492
DTC Confirmation Procedure ...............................492
Wiring Diagram .....................................................493
Diagnostic Procedure ...........................................494
DTC P0605 ECM .....................................................496
Component Description ........................................496
On Board Diagnosis Logic ....................................496
DTC Confirmation Procedure ...............................496
Diagnostic Procedure ...........................................497
DTC P0643 SENSOR POWER SUPPLY ................499
On Board Diagnosis Logic ....................................499
DTC Confirmation Procedure ...............................499
Wiring Diagram .....................................................500
Diagnostic Procedure ...........................................502
DTC P0850 PNP SWITCH ......................................504
Component Description ........................................504
CONSULT-II Reference Value in Data Monitor Mode
.504
On Board Diagnosis Logic ....................................504
DTC Confirmation Procedure ...............................504
Overall Function Check ........................................505
Wiring Diagram .....................................................506
Diagnostic Procedure ...........................................507
DTC P1148, P1168 CLOSED LOOP CONTROL ....509
On Board Diagnosis Logic ....................................509
DTC P1211 TCS CONTROL UNIT ..........................510
Description ............................................................510
On Board Diagnosis Logic ....................................510
DTC Confirmation Procedure ...............................510
Diagnostic Procedure ...........................................510
DTC P1212 TCS COMMUNICATION LINE ............511
Description ............................................................511
On Board Diagnosis Logic ....................................511
DTC Confirmation Procedure ...............................511
Diagnostic Procedure ...........................................511
DTC P1217 ENGINE OVER TEMPERATURE .......
.512
Description ............................................................512
CONSULT-II Reference Value in Data Monitor Mode
.513
On Board Diagnosis Logic ....................................513
Overall Function Check ........................................513
Wiring Diagram .....................................................515
Diagnostic Procedure ...........................................517
Main 12 Causes of Overheating ...........................522
Component Inspection ..........................................524
DTC P1220 FUEL PUMP CONTROL MODULE
(FPCM) ....................................................................525
Description ............................................................525
CONSULT-II Reference Value in Data Monitor Mode
.525
On Board Diagnosis Logic ....................................525
DTC Confirmation Procedure ...............................526
Wiring Diagram .....................................................527
Diagnostic Procedure ...........................................528
Component Inspection ..........................................532
DTC P1225 TP SENSOR ........................................533
Component Description ........................................533

EC-6Revision: 2006 January2006 M35/M45 On Board Diagnosis Logic ....................................533
DTC Confirmation Procedure ...............................533
Diagnostic Procedure ...........................................534
Removal and Installation ......................................534
DTC P1226 TP SENSOR ........................................535
Component Description ........................................535
On Board Diagnosis Logic ....................................535
DTC Confirmation Procedure ...............................535
Diagnostic Procedure ...........................................536
Removal and Installation ......................................536
DTC P1550 BATTERY CURRENT SENSOR ..........537
Component Description ........................................537
CONSULT-II Reference Value in Data Monitor Mode
.537
On Board Diagnosis Logic ....................................537
DTC Confirmation Procedure ...............................538
Wiring Diagram .....................................................539
Diagnostic Procedure ...........................................540
Component Inspection ..........................................542
D T C P 1 5 5 1 , P 1 5 5 2 B A T T E R Y C U R R E N T S E N S O R .543
Component Description ........................................543
CONSULT-II Reference Value in Data Monitor Mode
.543
On Board Diagnosis Logic ....................................543
DTC Confirmation Procedure ...............................544
Wiring Diagram .....................................................545
Diagnostic Procedure ...........................................546
Component Inspection ..........................................548
DTC P1553 BATTERY CURRENT SENSOR ..........549
Component Description ........................................549
CONSULT-II Reference Value in Data Monitor Mode
.549
On Board Diagnosis Logic ....................................549
DTC Confirmation Procedure ...............................550
Wiring Diagram .....................................................551
Diagnostic Procedure ...........................................552
Component Inspection ..........................................554
DTC P1554 BATTERY CURRENT SENSOR ..........555
Component Description ........................................555
CONSULT-II Reference Value in Data Monitor Mode
.555
On Board Diagnosis Logic ....................................555
Overall Function Check ........................................556
Wiring Diagram .....................................................557
Diagnostic Procedure ...........................................558
Component Inspection ..........................................560
DTC P1564 ICC STEERING SWITCH ....................561
Component Description ........................................561
CONSULT-II Reference Value in Data Monitor Mode
.561
On Board Diagnosis Logic ....................................561
DTC Confirmation Procedure ...............................562
Wiring Diagram ................................................
.....563
Diagnostic Procedure ...........................................564
Component Inspection ..........................................567
DTC P1564 ASCD STEERING SWITCH ................568
Component Description ........................................568
CONSULT-II Reference Value in Data Monitor Mode
.568On Board Diagnosis Logic ....................................568
DTC Confirmation Procedure ................................569
Wiring Diagram .....................................................570
Diagnostic Procedure ............................................571
Component Inspection ..........................................574
DTC P1568 ICC FUNCTION ...................................575
On Board Diagnosis Logic ....................................575
DTC Confirmation Procedure ................................575
Diagnostic Procedure ............................................575
DTC P1572 ICC BRAKE SWITCH ..........................576
Component Description ........................................576
CONSULT-II Reference Value in Data Monitor Mode
.576
On Board Diagnosis Logic ....................................576
DTC Confirmation Procedure ................................577
Wiring Diagram .....................................................578
Diagnostic Procedure ............................................579
Component Inspection ..........................................584
DTC P1572 ASCD BRAKE SWITCH ......................585
Component Description ........................................585
CONSULT-II Reference Value in Data Monitor Mode
.585
On Board Diagnosis Logic ....................................585
DTC Confirmation Procedure ................................586
Wiring Diagram .....................................................587
Diagnostic Procedure ............................................588
Component Inspection ..........................................592
DTC P1574 ICC VEHICLE SPEED SENSOR .........593
Component Description ........................................593
On Board Diagnosis Logic ....................................593
DTC Confirmation Procedure ................................593
Diagnostic Procedure ............................................594
DTC P1574 ASCD VEHICLE SPEED SENSOR .....595
Component Description ........................................595
On Board Diagnosis Logic ....................................595
DTC Confirmation Procedure ................................595
Diagnostic Procedure ............................................596
DTC P1715 INPUT SPEED SENSOR (TURBINE
REVOLUTION SENSOR) ........................................597
Description ............................................................597
CONSULT-II Reference Value in Data Monitor Mode
.597
On Board Diagnosis Logic ....................................597
Diagnostic Procedure ..........................................
..597
DTC P1805 BRAKE SWITCH .................................598
Component Description ........................................598
CONSULT-II Reference Value in Data Monitor Mode
.598
On Board Diagnosis Logic ....................................598
DTC Confirmation Procedure ................................599
Wiring Diagram .....................................................600
Diagnostic Procedure ............................................601
Component Inspection ..........................................606
DTC P2100, P2103 THROTTLE CONTROL MOTOR
RELAY .....................................................................607
Component Description ........................................607
CONSULT-II Reference Value in Data Monitor Mode
.607
On Board Diagnosis Logic ....................................607

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Revision: 2006 January2006 M35/M45 DTC Confirmation Procedure ...............................607
Wiring Diagram ....................................................609
Diagnostic Procedure ...........................................610
DTC P2101 ELECTRIC THROTTLE CONTROL
FUNCTION ..............................................................613
Description ...........................................................613
On Board Diagnosis Logic ...................................613
DTC Confirmation Procedure ...............................613
Wiring Diagram ....................................................614
Diagnostic Procedure ...........................................615
Component Inspection .........................................618
Removal and Installation ......................................618
DTC P2118 THROTTLE CONTROL MOTOR ........619
Component Description ........................................619
On Board Diagnosis Logic ...................................619
DTC Confirmation Procedure ...............................619
Wiring Diagram ....................................................620
Diagnostic Procedure ...........................................621
Component Inspection .........................................622
Removal and Installation ......................................623
DTC P2119 ELECTRIC THROTTLE CONTROL
ACTUATOR ............................................................624
Component Description ........................................624
On Board Diagnosis Logic ...................................624
DTC Confirmation Procedure ...............................624
Diagnostic Procedure ...........................................625
DTC P2122, P2123 APP SENSOR ........................626
Component Description ........................................626
CONSULT-II Reference Value in Data Monitor Mode
.626
On Board Diagnosis Logic ...................................626
DTC Confirmation Procedure ...............................627
Wiring Diagram ....................................................628
Diagnostic Procedure ...........................................629
Component Inspection .........................................631
Removal and Installation ......................................632
DTC P2127, P2128 APP SENSOR ........................633
Component Description ........................................633
CONSULT-II Reference Value in Data Monitor Mode
.633
On Board Diagnosis Logic ...................................633
DTC Confirmation Procedure ...............................634
Wiring Diagram ....................................................635
Diagnostic Procedure ...........................................636
Component Inspection .........................................639
Removal and Installation ......................................639
DTC P2135 TP SENSOR ........................................640
Component Description ........................................640
CONSULT-II Reference Value in Data Monitor Mode
.640
On Board Diagnosis Logic ...................................640
DTC Confirmation Procedure ...............................641
Wiring Diagram ....................................................642
Diagnostic Procedure ...........................................643
Component Inspection .........................................646
Removal and Installation ......................................646
DTC P2138 APP SENSOR .....................................647
Component Description ........................................647
CONSULT-II Reference Value in Data Monitor Mode .647
On Board Diagnosis Logic ....................................647
DTC Confirmation Procedure ...............................648
Wiring Diagram .....................................................649
Diagnostic Procedure ...........................................650
Component Inspection ..........................................654
Removal and Installation ......................................654
DTC P2A00, P2A03 A/F SENSOR 1 ......................655
Component Description ........................................655
CONSULT-II Reference Value in Data Monitor Mode
.655
On Board Diagnosis Logic ....................................655
DTC Confirmation Procedure ...............................655
Wiring Diagram .....................................................657
Diagnostic Procedure ...........................................660
Removal and Installation ......................................665
IGNITION SIGNAL ..................................................666
Component Description ........................................666
Wiring Diagram .....................................................667
Diagnostic Procedure ...........................................672
Component Inspection ..........................................677
Removal and Installation ......................................678
FUEL INJECTOR ....................................................679
Component Description ........................................679
CONSULT-II Reference Value in Data Monitor Mode
.679
Wiring Diagram .....................................................680
Diagnostic Procedure ...........................................681
Component Inspection ..........................................684
Removal and Installation ......................................684
FUEL PUMP ............................................................685
Description ............................................................685
CONSULT-II Reference Value in Data Monitor Mode
.685
Wiring Diagram .....................................................686
Diagnostic Procedure ...........................................687
Component Inspection ..........................................691
Removal and Installation ......................................691
REFRIGERANT PRESSURE SENSOR ..................692
Component Description ........................................692
Wiring Diagram .....................................................693
Diagnostic Procedure ...........................................694
Removal and Installation ......................................696
ELECTRICAL LOAD SIGNAL ................................697
Description ............................................................697
CONSULT-II Reference Value in Data Monitor Mode
.697
Diagnostic Procedure ...........................................697
ICC BRAKE SWITCH .............................................699
Component Description ........................................699
CONSULT-II Reference Value in Data Monitor Mode
.699
Wiring Diagram .....................................................700
Diagnostic Procedure ...........................................701
Component Inspection ..........................................705
ASCD BRAKE SWITCH .........................................707
Component Description ........................................707
CONSULT-II Reference Value in Data Monitor Mode
.707

EC-8Revision: 2006 January2006 M35/M45 Wiring Diagram .....................................................708
Diagnostic Procedure ...........................................709
Component Inspection ..........................................713
ASCD INDICATOR .................................................
.714
Component Description ........................................714
CONSULT-II Reference Value in Data Monitor Mode
.714
Wiring Diagram .....................................................715
Diagnostic Procedure ...........................................716
SNOW MODE SWITCH ...........................................717
Description ............................................................717
CONSULT-II Reference Value in the Data Monitor
Mode .....................................................................717
Wiring Diagram .....................................................718
Diagnostic Procedure ...........................................719
Component Inspection ..........................................721
MIL AND DATA LINK CONNECTOR ......................722
Wiring Diagram .....................................................722
SERVICE DATA AND SPECIFICATIONS (SDS) ....724
Fuel Pressure .......................................................724
Idle Speed and Ignition Timing .............................724
Calculated Load Value ..........................................724
Mass Air Flow Sensor ...........................................724
Intake Air Temperature Sensor .............................724
Engine Coolant Temperature Sensor ...................724
Fuel Tank Temperature Sensor ............................724
Crankshaft Position Sensor (POS) .......................724
Camshaft Position Sensor (PHASE) ....................724
A/F Sensor 1 Heater ............................................ .724
Heated Oxygen Sensor 2 Heater .........................725
Throttle Control Motor ...........................................725
Fuel Injector ..........................................................725
Fuel Pump ............................................................725
VK45DE
INDEX FOR DTC .....................................................726
DTC No. Index ......................................................726
Alphabetical Index ................................................730
PRECAUTIONS .......................................................734
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ...............................................................734
Precautions for Procedures without Cowl Top Cover .734
On Board Diagnostic (OBD) System of Engine and
A/T ........................................................................734
Precaution ............................................................735
PREPARATION .......................................................738
Special Service Tools ...........................................738
Commercial Service Tools ....................................739
ENGINE CONTROL SYSTEM ................................740
System Diagram ...................................................740
Multiport Fuel Injection (MFI) System ...................741
Electronic Ignition (EI) System .............................743
Fuel Cut Control (At No Load and High Engine
Speed) ..................................................................744
AIR CONDITIONING CUT CONTROL ....................745
Input/Output Signal Chart .....................................745
System Description ...............................................745AUTOMATIC SPEED CONTROL DEVICE (ASCD) .746
System Description ...............................................746
Component Description ........................................747
CAN COMMUNICATION .........................................748
System Description ...............................................748
EVAPORATIVE EMISSION SYSTEM .....................749
Description ............................................................749
Component Inspection ..........................................752
Removal and Installation .......................................753
How to Detect Fuel Vapor Leakage ......................753
ON BOARD REFUELING VAPOR RECOVERY
(ORVR) ....................................................................756
System Description ...............................................756
Diagnostic Procedure ............................................757
Component Inspection ..........................................759
POSITIVE CRANKCASE VENTILATION ................761
Description ............................................................761
Component Inspection ..........................................761
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-
NATS) ......................................................................763
Description ............................................................763
ON BOARD DIAGNOSTIC (OBD) SYSTEM ...........764
Introduction ..........................................................
.764
Two Trip Detection Logic .......................................764
Emission-Related Diagnostic Information .............765
Malfunction Indicator Lamp (MIL) .........................780
OBD System Operation Chart ...............................782
BASIC SERVICE PROCEDURE .............................788
Basic Inspection ....................................................788
Idle Speed and Ignition Timing Check ..................793
Idle Mixture Ratio Adjustment ...............................795
VIN Registration ....................................................806
Accelerator Pedal Released Position Learning .....806
Throttle Valve Closed Position Learning ...............806
Idle Air Volume Learning .......................................807
Fuel Pressure Check ............................................809
TROUBLE DIAGNOSIS ..........................................811
Trouble Diagnosis Introduction .............................811
DTC Inspection Priority Chart ...............................817
Fail-Safe Chart ......................................................819
Symptom Matrix Chart ..........................................820
Engine Control Component Parts Location ...........824
Vacuum Hose Drawing .........................................833
Circuit Diagram .....................................................834
ECM Harness Connector Terminal Layout ............836
ECM Terminals and Reference Value ...................836
CONSULT-II Function (ENGINE) ..........................846
Generic Scan Tool (GST) Function .......................859
CONSULT-II Reference Value in Data Monitor .....862
Major Sensor Reference Graph in Data Monitor
Mode .....................................................................866
TROUBLE DIAGNOSIS - SPECIFICATION VALUE .868
Description ............................................................868
Testing Condition ..................................................868
Inspection Procedure ...........................................
.868
Diagnostic Procedure ............................................869
TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-

EC-9
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ECA
Revision: 2006 January2006 M35/M45 DENT ......................................................................878
Description ...........................................................878
Diagnostic Procedure ...........................................878
POWER SUPPLY AND GROUND CIRCUIT ..........879
Wiring Diagram ....................................................879
Diagnostic Procedure ...........................................880
Ground Inspection ................................................885
DTC U1000, U1001 CAN COMMUNICATION LINE .886
Description ...........................................................886
On Board Diagnosis Logic ...................................886
DTC Confirmation Procedure ...............................886
Wiring Diagram ....................................................887
Diagnostic Procedure ...........................................888
DTC U1010 CAN COMMUNICATION ....................889
Description ...........................................................889
On Board Diagnosis Logic ...................................889
DTC Confirmation Procedure ...............................889
Diagnostic Procedure ...........................................890
DTC P0011, P0021 IVT CONTROL ........................891
Description ...........................................................891
CONSULT-II Reference Value in Data Monitor Mode
.892
On Board Diagnosis Logic ...................................892
DTC Confirmation Procedure ...............................893
Wiring Diagram ....................................................894
Diagnostic Procedure ...........................................898
Component Inspection .........................................902
Removal and Installation ......................................903
DTC P0031, P0032, P0051, P0052 A/F SENSOR 1
HEATER ..................................................................904
Description ...........................................................904
CONSULT-II Reference Value in Data Monitor Mode
.904
On Board Diagnosis Logic ...................................904
DTC Confirmation Procedure ...............................904
Wiring Diagram ....................................................905
Diagnostic Procedure ...........................................908
Component Inspection .........................................910
Removal and Installation ......................................910
DTC P0037, P0038, P0057, P0058 HO2S2 HEATER ..911
Description ............................................................ 911
CONSULT-II Reference Value in Data Monitor Mode
.. 911
On Board Diagnosis Logic .................................... 911
DTC Confirmation Procedure ...............................912
Wiring Diagram ...................................................
.913
Diagnostic Procedure ...........................................916
Component Inspection .........................................918
Removal and Installation ......................................919
DTC P0075, P0081 IVT CONTROL SOLENOID
VALVE .....................................................................920
Component Description ........................................920
CONSULT-II Reference Value in Data Monitor Mode
.920
On Board Diagnosis Logic ...................................920
DTC Confirmation Procedure ...............................920
Wiring Diagram ....................................................921
Diagnostic Procedure ...........................................925Component Inspection ..........................................926
Removal and Installation ......................................926
DTC P0101 MAF SENSOR .....................................927
Component Description ........................................927
CONSULT-II Reference Value in Data Monitor Mode
.927
On Board Diagnosis Logic ....................................927
DTC Confirmation Procedure ...............................928
Overall Function Check ........................................929
Wiring Diagram .....................................................930
Diagnostic Procedure ...........................................931
Component Inspection ..........................................934
Removal and Installation ......................................935
DTC P0102, P0103 MAF SENSOR ........................936
Component Description ........................................936
CONSULT-II Reference Value in Data Monitor Mode
.936
On Board Diagnosis Logic ....................................936
DTC Confirmation Procedure ...............................937
Wiring Diagram .....................................................938
Diagnostic Procedure ...........................................939
Component Inspection ..........................................941
Removal and Installation ......................................942
DTC P0112, P0113 IAT SENSOR ...........................943
Component Description ........................................943
On Board Diagnosis Logic ....................................943
DTC Confirmation Procedure ...............................943
Wiring Diagram .....................................................945
Diagnostic Procedure ...........................................946
Component Inspection ..........................................947
Removal and Installation ......................................947
DTC P0117, P0118 ECT SENSOR .........................948
Component Description ........................................948
On Board Diagnosis Logic ....................................948
DTC Confirmation Procedure ...............................949
Wiring Diagram .....................................................950
Diagnostic Procedure ...........................................951
Component Inspection ..........................................953
Removal and Installation ......................................953
DTC P0122, P0123 TP SENSOR ............................954
Component Description ........................................954
CONSULT-II Reference Value in Data Monitor Mode
.954
On Board Diagnosis Logic ....................................954
DTC Confirmation Procedure ...............................955
Wiring Diagram .....................................................956
Diagnostic Procedure ...........................................957
Component Inspection ..........................................960
Removal and Installation ......................................960
DTC P0125 ECT SENSOR .....................................961
Component Description ........................................961
On Board Diagnosis Logic ....................................961
DTC Confirmation Procedure ...............................962
Diagnostic Procedure ...........................................962
Component Inspection ..........................................963
Removal and Installation ......................................963
DTC P0127 IAT SENSOR .......................................964
Component Description ........................................964
On Board Diagnosis Logic ....................................964

EC-10Revision: 2006 January2006 M35/M45 DTC Confirmation Procedure ...............................964
Diagnostic Procedure ...........................................965
Component Inspection ..........................................966
Removal and Installation ......................................966
DTC P0128 THERMOSTAT FUNCTION .................967
On Board Diagnosis Logic ....................................967
DTC Confirmation Procedure ...............................967
Diagnostic Procedure ...........................................967
Component Inspection ..........................................968
Removal and Installation ......................................968
DTC P0130, P0150 A/F SENSOR 1 ........................969
Component Description ........................................969
CONSULT-II Reference Value in Data Monitor Mode
.969
On Board Diagnosis Logic ....................................969
DTC Confirmation Procedure ...............................969
Overall Function Check ........................................970
Wiring Diagram .....................................................972
Diagnostic Procedure ...........................................975
Removal and Installation ......................................978
DTC P0131, P0151 A/F SENSOR 1 ........................979
Component Description ........................................979
CONSULT-II Reference Value in Data Monitor Mode
.979
On Board Diagnosis Logic ....................................979
DTC Confirmation Procedure ...............................979
Wiring Diagram .....................................................981
Diagnostic Procedure ...........................................984
Removal and Installation ......................................987
DTC P0132, P0152 A/F SENSOR 1 ........................988
Component Description ........................................988
CONSULT-II Reference Value in Data Monitor Mode
.988
On Board Diagnosis Logic ....................................988
DTC Confirmation Procedure ...............................988
Wiring Diagram .....................................................990
Diagnostic Procedure ...........................................993
Removal and Installation ......................................996
DTC P0133, P0153 A/F SENSOR 1 ........................997
Component Description ........................................997
CONSULT-II Reference Value in Data Monitor Mode
.997
On Board Diagnosis Logic ....................................997
DTC Confirmation Procedure ...............................998
Wiring Diagram ....................................................1000
Diagnostic Procedure ..........................................1003
Removal and Installation .....................................1008
DTC P0137, P0157 HO2S2 ....................................1009
Component Description .......................................1009
CONSULT-II Reference Value in Data Monitor Mode
1009
On Board Diagnosis Logic ...................................1009
DTC Confirmation Procedure ..............................
1010
Overall Function Check .......................................1010
Wiring Diagram ....................................................1012
Diagnostic Procedure ..........................................1015
Component Inspection .........................................1018
Removal and Installation .....................................1019DTC P0138, P0158 HO2S2 ....................................1020
Component Description .......................................1020
CONSULT-II Reference Value in Data Monitor Mode
1020
On Board Diagnosis Logic ...................................1020
DTC Confirmation Procedure ...............................1021
Overall Function Check ........................................1022
Wiring Diagram ....................................................1023
Diagnostic Procedure ........................................... 1026
Component Inspection .........................................1031
Removal and Installation ......................................1032
DTC P0139, P0159 HO2S2 ....................................1033
Component Description .......................................1033
CONSULT-II Reference Value in Data Monitor Mode
1033
On Board Diagnosis Logic ...................................1033
DTC Confirmation Procedure ...............................1034
Overall Function Check ........................................1034
Wiring Diagram ....................................................1036
Diagnostic Procedure ........................................... 1039
Component Inspection .........................................1042
Removal and Installation ......................................1043
DTC P0171, P0174 FUEL INJECTION SYSTEM
FUNCTION .............................................................1044
On Board Diagnosis Logic ...................................1044
DTC Confirmation Procedure ...............................1044
Wiring Diagram ....................................................1046
Diagnostic Procedure ........................................... 1050
DTC P0172, P0175 FUEL INJECTION SYSTEM
FUNCTION .............................................................1055
On Board Diagnosis Logic ...................................1055
DTC Confirmation Procedure ...............................1055
Wiring Diagram ....................................................1057
Diagnostic Procedure ........................................... 1061
DTC P0181 FTT SENSOR .....................................1066
Component Description .......................................1066
On Board Diagnosis Logic ...................................1066
DTC Confirmation Procedure ...............................1066
Wiring Diagram ....................................................1068
Diagnostic Procedure ........................................... 1069
Component Inspection .........................................1071
Removal and Installation ......................................1071
DTC P0182, P0183 FTT SENSOR .........................
1072
Component Description .......................................1072
On Board Diagnosis Logic ...................................1072
DTC Confirmation Procedure ...............................1072
Wiring Diagram ....................................................1073
Diagnostic Procedure ........................................... 1074
Component Inspection .........................................1076
Removal and Installation ......................................1076
DTC P0222, P0223 TP SENSOR ...........................1077
Component Description .......................................1077
CONSULT-II Reference Value in Data Monitor Mode
1077
On Board Diagnosis Logic ...................................1077
DTC Confirmation Procedure ...............................1078
Wiring Diagram ....................................................1079
Diagnostic Procedure ........................................... 1080