2005 INFINITI FX35 fuel pressure

EC-4Revision: 2005 July 2005 FX
On Board Diagnosis Logic ...................................
.350
DTC Confirmation Procedure .............................. .351
Diagnostic Procedure .......................................... .351
Component Inspection ......................................... .352
DTC P0452 EVAP CONTROL SYSTEM PRESSURE
SENSOR ................................................................. .353
Component Description ....................................... .353
CONSULT-II Reference Value in Data Monitor Mode .353
On Board Diagnosis Logic ................................... .353
DTC Confirmation Procedure .............................. .354
Wiring Diagram .................................................... .355
Diagnostic Procedure .......................................... .356
Component Inspection ......................................... .358
DTC P0453 EVAP CONTROL SYSTEM PRESSURE
SENSOR ................................................................. .359
Component Description ....................................... .359
CONSULT-II Reference Value in Data Monitor Mode .359
On Board Diagnosis Logic ................................... .359
DTC Confirmation Procedure .............................. .360
Wiring Diagram .................................................... .361
Diagnostic Procedure .......................................... .362
Component Inspection ......................................... .366
DTC P0455 EVAP CONTROL SYSTEM ................ .367
On Board Diagnosis Logic ................................... .367
DTC Confirmation Procedure .............................. .368
Diagnostic Procedure .......................................... .369
DTC P0456 EVAP CONTROL SYSTEM ................ .375
On Board Diagnosis Logic ................................... .375
DTC Confirmation Procedure .............................. .376
Overall Function Check ....................................... .377
Diagnostic Procedure .......................................... .378
DTC P0460 FUEL LEVEL SENSOR ...................... .385
Component Description ....................................... .385
On Board Diagnosis Logic ................................... .385
DTC Confirmation Procedure .............................. .385
Diagnostic Procedure .......................................... .386
Removal and Installation ..................................... .386
DTC P0461 FUEL LEVEL SENSOR ...................... .387
Component Description ....................................... .387
On Board Diagnosis Logic ................................... .387
Overall Function Check ....................................... .387
Diagnostic Procedure .......................................... .388
Removal and Installation ..................................... .388
DTC P0462, P0463 FUEL LEVEL SENSOR ......... .389
Component Description ....................................... .389
On Board Diagnosis Logic ................................... .389
DTC Confirmation Procedure .............................. .389
Diagnostic Procedure .......................................... .390
Removal and Installation ..................................... .390
DTC P0500 VSS ..................................................... .391
Description ........................................................... .391
On Board Diagnosis Logic ................................... .391
DTC Confirmation Procedure .............................. .391
Overall Function Check ....................................... .391
Diagnostic Procedure .......................................... .392
DTC P0506 ISC SYSTEM ...................................... .393
Description ........................................................... .393 On Board Diagnosis Logic ...................................
.393
DTC Confirmation Procedure ............................... .393
Diagnostic Procedure ........................................... .394
DTC P0507 ISC SYSTEM ...................................... .395
Description ........................................................... .395
On Board Diagnosis Logic ................................... .395
DTC Confirmation Procedure ............................... .395
Diagnostic Procedure ........................................... .396
DTC P0550 PSP SENSOR ..................................... .397
Component Description ....................................... .397
CONSULT-II Reference Value in Data Monitor Mode .397
On Board Diagnosis Logic ................................... .397
DTC Confirmation Procedure ............................... .397
Wiring Diagram .................................................... .398
Diagnostic Procedure ........................................... .399
Component Inspection ......................................... .401
Removal and Installation ...................................... .401
DTC P0605 ECM .................................................... .402
Component Description ....................................... .402
On Board Diagnosis Logic ................................... .402
DTC Confirmation Procedure ............................... .402
Diagnostic Procedure ........................................... .403
DTC P1031, P1032, P1051, P1052 A/F SENSOR 1
HEATER .................................................................. .405
Description ........................................................... .405
CONSULT-II Reference Value in Data Monitor Mode .405
On Board Diagnosis Logic ................................... .405
DTC Confirmation Procedure ............................... .405
Wiring Diagram .................................................... .407
Diagnostic Procedure ........................................... .410
Component Inspection ......................................... .412
Removal and Installation ...................................... .412
DTC P1065 ECM POWER SUPPLY ....................... .413
Component Description ....................................... .413
On Board Diagnosis Logic ................................... .413
DTC Confirmation Procedure ............................... .413
Wiring Diagram .................................................... .414
Diagnostic Procedure ........................................... .415
D T C P1111, P 1 136 IVT CONTROL SOLENOID
VALVE ..................................................................... .417
Component Description ....................................... .417
CONSULT-II Reference Value in Data Monitor Mode .417
On Board Diagnosis Logic ................................... .417
DTC Confirmation Procedure ............................... .417
Wiring Diagram .................................................... .418
Diagnostic Procedure ........................................... .421
Component Inspection ......................................... .422
Removal and Installation ...................................... .423
DTC P1121 ELECTRIC THROTTLE CONTROL
ACTUATOR ............................................................ .424
Component Description ....................................... .424
On Board Diagnosis Logic ................................... .424
DTC Confirmation Procedure ............................... .424
Diagnostic Procedure ........................................... .425
DTC P1122 ELECTRIC THROTTLE CONTROL

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Wiring Diagram ...................................................
. 615
Diagnostic Procedure .......................................... . 616
Component Inspection ........................................ . 618
DTC P2122, P2123 APP SENSOR ....................... . 619
Component Description ....................................... . 619
CONSULT-II Reference Value in Data Monitor Mode . 619
On Board Diagnosis Logic .................................. . 619
DTC Confirmation Procedure .............................. . 620
Wiring Diagram ................................................... . 621
Diagnostic Procedure .......................................... . 622
Component Inspection ........................................ . 624
Removal and Installation ..................................... . 625
DTC P2127, P2128 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 ........................................ . 632
Removal and Installation ..................................... . 632
DTC P2135 TP 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 P2138 APP 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 ........................................ . 647
Removal and Installation ..................................... . 647
IGNITION SIGNAL ................................................. . 648
Component Description ....................................... . 648
Wiring Diagram ................................................... . 649
Diagnostic Procedure .......................................... . 654
Component Inspection ........................................ . 659
Removal and Installation ..................................... . 660
INJECTOR CIRCUIT .............................................. . 661
Component Description ....................................... . 661
CONSULT-II Reference Value in Data Monitor Mode . 661
Wiring Diagram ................................................... . 662
Diagnostic Procedure .......................................... . 663
Component Inspection ........................................ . 667
Removal and Installation ..................................... . 667
FUEL PUMP CIRCUIT ........................................... . 668
Description .......................................................... . 668 CONSULT-II Reference Value in Data Monitor Mode
.668
Wiring Diagram .................................................... .669
Diagnostic Procedure .......................................... .670
Component Inspection ......................................... .672
Removal and Installation ..................................... .673
REFRIGERANT PRESSURE SENSOR ................. .674
Component Description ....................................... .674
Wiring Diagram .................................................... .675
Diagnostic Procedure .......................................... .676
Removal and Installation ..................................... .678
ELECTRICAL LOAD SIGNAL ............................... .679
Description ........................................................... .679
CONSULT-II Reference Value in Data Monitor Mode .679
Diagnostic Procedure .......................................... .679
ICC BRAKE SWITCH ............................................ .680
Component Description ....................................... .680
CONSULT-II Reference Value in Data Monitor Mode .680
Wiring Diagram .................................................... .681
Diagnostic Procedure .......................................... .682
Component Inspection ......................................... .687
ASCD BRAKE SWITCH ........................................ .688
Component Description ....................................... .688
CONSULT-II Reference Value in Data Monitor Mode .688
Wiring Diagram .................................................... .689
Diagnostic Procedure .......................................... .690
Component Inspection ......................................... .694
ASCD INDICATOR ................................................. .695
Component Description ....................................... .695
CONSULT-II Reference Value in Data Monitor Mode .695
Wiring Diagram .................................................... .696
Diagnostic Procedure .......................................... .697
SNOW MODE SWITCH ......................................... .698
Description ........................................................... .698
CONSULT-II Reference Value in the Data Monitor
Mode .................................................................... .698
Wiring Diagram .................................................... .699
Diagnostic Procedure .......................................... .700
Component Inspection ......................................... .702
MIL AND DATA LINK CONNECTOR ..................... .703
Wiring Diagram .................................................... .703
SERVICE DATA AND SPECIFICATIONS (SDS) ... .705
Fuel Pressure ...................................................... .705
Idle Speed and Ignition Timing ............................ .705
Calculated Load Value ......................................... .705
Mass Air Flow Sensor .......................................... .705
Intake Air Temperature Sensor ............................ .705
Engine Coolant Temperature Sensor .................. .705
Air Fuel Ratio (A/F) Sensor 1 Heater ................... .705
Heated Oxygen sensor 2 Heater ......................... .705
Crankshaft Position Sensor (POS) ...................... .705
Camshaft Position Sensor (PHASE) ................... .705
Throttle Control Motor .......................................... .705
Injector ................................................................. .706
Fuel Pump ........................................................... .706

EC-8Revision: 2005 July 2005 FX
VK45DE
INDEX FOR DTC .....................................................707
DTC No. Index ..................................................... .707
Alphabetical Index ............................................... .711
PRECAUTIONS ...................................................... .715
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” .............................................................. .715
On Board Diagnostic (OBD) System of Engine and
A/T ....................................................................... .715
Precaution ........................................................... .715
PREPARATION ...................................................... .719
Special Service Tools .......................................... .719
Commercial Service Tools ................................... .720
ENGINE CONTROL SYSTEM ............................... .721
System Diagram .................................................. .721
Multiport Fuel Injection (MFI) System .................. .722
Electronic Ignition (EI) System ............................ .724
Fuel Cut Control (at No Load and High Engine
Speed) ................................................................. .725
AIR CONDITIONING CUT CONTROL ................... .726
Input/Output Signal Chart .................................... .726
System Description .............................................. .726
AUTOMATIC SPEED CONTROL DEVICE (ASCD) .727
System Description .............................................. .727
Component Description ....................................... .728
CAN COMMUNICATION ........................................ .729
System Description .............................................. .729
EVAPORATIVE EMISSION SYSTEM .................... .730
Description ........................................................... .730
Component Inspection ......................................... .733
Removal and Installation ..................................... .734
How to Detect Fuel Vapor Leakage ..................... .734
ON BOARD REFUELING VAPOR RECOVERY
(ORVR) ................................................................... .737
System Description .............................................. .737
Diagnostic Procedure .......................................... .738
Component Inspection ......................................... .740
POSITIVE CRANKCASE VENTILATION .............. .742
Description ........................................................... .742
Component Inspection ......................................... .742
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-
NATS) ..................................................................... .744
Description ........................................................... .744
ON BOARD DIAGNOSTIC (OBD) SYSTEM ......... .745
Introduction .......................................................... .745
Two Trip Detection Logic ..................................... .745
Emission-Related Diagnostic Information ............ .746
Malfunction Indicator Lamp (MIL) ........................ .760
OBD System Operation Chart ............................. .764
BASIC SERVICE PROCEDURE ............................ .769
Basic Inspection .................................................. .769
Idle Speed and Ignition Timing Check ................. .774
Idle Mixture Ratio Adjustment .............................. .775
VIN Registration .................................................. .786
Accelerator Pedal Released Position Learning ... .786
Throttle Valve Closed Position Learning .............. .786 Idle Air Volume Learning ......................................
.787
Fuel Pressure Check ........................................... .789
TROUBLE DIAGNOSIS ......................................... .791
Trouble Diagnosis Introduction ............................ .791
DTC Inspection Priority Chart .............................. .797
Fail-Safe Chart ..................................................... .799
Symptom Matrix Chart ......................................... .800
Engine Control Component Parts Location .......... .804
Vacuum Hose Drawing ........................................ .810
Circuit Diagram .................................................... .811
ECM Harness Connector Terminal Layout ........... .813
ECM Terminals and Reference Value .................. .813
CONSULT-II Function (ENGINE) ......................... .822
Generic Scan Tool (GST) Function ...................... .835
CONSULT-II Reference Value in Data Monitor .... .838
Major Sensor Reference Graph in Data Monitor
Mode .................................................................... .842
TROUBLE DIAGNOSIS - SPECIFICATION VALUE .844
Description ........................................................... .844
Testing Condition ................................................. .844
Inspection Procedure ........................................... .844
Diagnostic Procedure ........................................... .845
TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-
DENT ...................................................................... .854
Description ........................................................... .854
Diagnostic Procedure ........................................... .854
POWER SUPPLY AND GROUND CIRCUIT .......... .855
Wiring Diagram .................................................... .855
Diagnostic Procedure ........................................... .856
Ground Inspection ................................................ .861
DTC U1000, U1001 CAN COMMUNICATION LINE .862
Description ........................................................... .862
On Board Diagnosis Logic ................................... .862
DTC Confirmation Procedure ............................... .862
Wiring Diagram .................................................... .863
Diagnostic Procedure ........................................... .864
DTC P0011, P0021 IVT CONTROL ........................ .865
Description ........................................................... .865
CONSULT-II Reference Value in Data Monitor Mode .866
On Board Diagnosis Logic ................................... .866
DTC Confirmation Procedure ............................... .867
Wiring Diagram .................................................... .868
Diagnostic Procedure ........................................... .871
Component Inspection ......................................... .875
Removal and Installation ...................................... .876
DTC P0031, P0032, P0051, P0052 HO2S1 HEATER .877
Description ........................................................... .877
CONSULT-II Reference Value in Data Monitor Mode .877
On Board Diagnosis Logic ................................... .877
DTC Confirmation Procedure ............................... .878
Wiring Diagram .................................................... .879
Diagnostic Procedure ........................................... .882
Component Inspection ......................................... .884
Removal and Installation ...................................... .884
DTC P0037, P0038, P0057, P0058 HO2S2 HEATER .885
Description ........................................................... .885
CONSULT-II Reference Value in Data Monitor Mode

EC-10Revision: 2005 July 2005 FX
CONSULT-II Reference Value in Data Monitor Mode
.975
On Board Diagnosis Logic ................................... .975
DTC Confirmation Procedure .............................. .976
Overall Function Check ....................................... .976
Wiring Diagram .................................................... .978
Diagnostic Procedure .......................................... .981
Component Inspection ......................................... .984
Removal and Installation ..................................... .985
DTC P0171, P0174 FUEL INJECTION SYSTEM
FUNCTION ............................................................. .986
On Board Diagnosis Logic ................................... .986
DTC Confirmation Procedure .............................. .986
Wiring Diagram .................................................... .988
Diagnostic Procedure .......................................... .990
DTC P0172, P0175 FUEL INJECTION SYSTEM
FUNCTION ............................................................. .995
On Board Diagnosis Logic ................................... .995
DTC Confirmation Procedure .............................. .995
Wiring Diagram .................................................... .997
Diagnostic Procedure .......................................... .999
DTC P0181 FTT SENSOR ..................................... 1004
Component Description ....................................... 1004
On Board Diagnosis Logic ................................... 1004
DTC Confirmation Procedure .............................. 1004
Wiring Diagram .................................................... 1006
Diagnostic Procedure .......................................... 1007
Component Inspection ......................................... 1009
Removal and Installation ..................................... 1009
DTC P0182, P0183 FTT SENSOR ......................... 1010
Component Description ....................................... 1010
On Board Diagnosis Logic ................................... 1010
DTC Confirmation Procedure .............................. 1010
Wiring Diagram .................................................... 1011
Diagnostic Procedure .......................................... 1012
Component Inspection ......................................... 1014
Removal and Installation ..................................... 1014
DTC P0222, P0223 TP SENSOR ........................... 1015
Component Description ....................................... 1015
CONSULT-II Reference Value in Data Monitor Mode 1015
On Board Diagnosis Logic ................................... 1015
DTC Confirmation Procedure .............................. 1016
Wiring Diagram .................................................... 1017
Diagnostic Procedure .......................................... 1018
Component Inspection ......................................... 1021
Removal and Installation ..................................... 1021
DTC P0300 - P0308 MULTIPLE CYLINDER MIS-
FIRE, NO. 1 - 8 CYLINDER MISFIRE .................... 1022
On Board Diagnosis Logic ................................... 1022
DTC Confirmation Procedure .............................. 1023
Diagnostic Procedure .......................................... 1024
DTC P0327, P0328, P0332, P0333 KS .................. 1031
Component Description ....................................... 1031
On Board Diagnosis Logic ................................... 1031
DTC Confirmation Procedure .............................. 1031
Wiring Diagram .................................................... 1032
Diagnostic Procedure .......................................... 1033 Component Inspection .........................................
1035
Removal and Installation ...................................... 1035
DTC P0335 CKP SENSOR (POS) ......................... 1036
Component Description ....................................... 1036
CONSULT-II Reference Value in Data Monitor Mode 1036
On Board Diagnosis Logic ................................... 1036
DTC Confirmation Procedure ............................... 1037
Wiring Diagram .................................................... 1038
Diagnostic Procedure ........................................... 1039
Component Inspection ......................................... 1042
Removal and Installation ...................................... 1042
DTC P0340 CAMSHAFT POSITION (CMP) SEN-
SOR (PHASE) ........................................................ 1043
Component Description ....................................... 1043
On Board Diagnosis Logic ................................... 1043
DTC Confirmation Procedure ............................... 1044
Wiring Diagram .................................................... 1045
Diagnostic Procedure ........................................... 1046
Component Inspection ......................................... 1049
Removal and Installation ...................................... 1049
DTC P0420, P0430 THREE WAY CATALYST FUNC-
TION ....................................................................... 1050
On Board Diagnosis Logic ................................... 1050
DTC Confirmation Procedure ............................... 1050
Overall Function Check ........................................ 1051
Diagnostic Procedure ........................................... 1052
DTC P0441 EVAP CONTROL SYSTEM ................ 1056
System Description .............................................. 1056
On Board Diagnosis Logic ................................... 1056
DTC Confirmation Procedure ............................... 1056
Overall Function Check ........................................ 1057
Diagnostic Procedure ........................................... 1058
DTC P0442 EVAP CONTROL SYSTEM ................ 1061
On Board Diagnosis Logic ................................... 1061
DTC Confirmation Procedure ............................... 1062
Diagnostic Procedure ........................................... 1063
DTC P0444, P0445 EVAP CANISTER PURGE VOL-
UME CONTROL SOLENOID VALVE ..................... 1069
Description ........................................................... 1069
CONSULT-II Reference Value in Data Monitor Mode 1069
On Board Diagnosis Logic ................................... 1070
DTC Confirmation Procedure ............................... 1070
Wiring Diagram .................................................... 1071
Diagnostic Procedure ........................................... 1073
Component Inspection ......................................... 1074
Removal and Installation ...................................... 1075
DTC P0447 EVAP CANISTER VENT CONTROL
VALVE ..................................................................... 1076
Component Description ....................................... 1076
CONSULT-II Reference Value in Data Monitor Mode 1076
On Board Diagnosis Logic ................................... 1076
DTC Confirmation Procedure ............................... 1077
Wiring Diagram .................................................... 1078
Diagnostic Procedure ........................................... 1079
Component Inspection ......................................... 1081
DTC P0451 EVAP CONTROL SYSTEM PRESSURE

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SENSOR ................................................................
1083
Component Description ....................................... 1083
CONSULT-II Reference Value in Data Monitor Mode 1083
On Board Diagnosis Logic .................................. 1083
DTC Confirmation Procedure .............................. 1084
Diagnostic Procedure .......................................... 1084
Component Inspection ........................................ 1085
DTC P0452 EVAP CONTROL SYSTEM PRESSURE
SENSOR ................................................................ 1086
Component Description ....................................... 1086
CONSULT-II Reference Value in Data Monitor Mode 1086
On Board Diagnosis Logic .................................. 1086
DTC Confirmation Procedure .............................. 1087
Wiring Diagram ................................................... 1088
Diagnostic Procedure .......................................... 1089
Component Inspection ........................................ 1091
DTC P0453 EVAP CONTROL SYSTEM PRESSURE
SENSOR ................................................................ 1092
Component Description ....................................... 1092
CONSULT-II Reference Value in Data Monitor Mode 1092
On Board Diagnosis Logic .................................. 1092
DTC Confirmation Procedure .............................. 1093
Wiring Diagram ................................................... 1094
Diagnostic Procedure .......................................... 1095
Component Inspection ........................................ 1099
DTC P0455 EVAP CONTROL SYSTEM ...............1100 On Board Diagnosis Logic ..................................1100
DTC Confirmation Procedure ..............................1101
Diagnostic Procedure ..........................................1102
DTC P0456 EVAP CONTROL SYSTEM ...............1108 On Board Diagnosis Logic ..................................1108
DTC Confirmation Procedure ..............................1109
Overall Function Check .......................................1110
Diagnostic Procedure .......................................... 1111
DTC P0460 FUEL LEVEL SENSOR .....................1117 Component Description .......................................1117
On Board Diagnosis Logic ..................................1117
DTC Confirmation Procedure ..............................1117
Diagnostic Procedure ..........................................1118
Removal and Installation .....................................1118
DTC P0461 FUEL LEVEL SENSOR .....................1119 Component Description .......................................1119
On Board Diagnosis Logic ..................................1119
Overall Function Check .......................................1119
Diagnostic Procedure ..........................................1120
Removal and Installation .....................................1120
DTC P0462, P0463 FUEL LEVEL SENSOR CIR-
CUIT .......................................................................1121 Component Description .......................................1121
On Board Diagnosis Logic ..................................1121
DTC Confirmation Procedure ..............................1121
Diagnostic Procedure ..........................................1122
Removal and Installation .....................................1122
DTC P0500 VSS ....................................................1123 Description ..........................................................1123
On Board Diagnosis Logic ..................................1123 DTC Confirmation Procedure ..............................
11 2 3
Overall Function Check ....................................... 11 2 4
Diagnostic Procedure .......................................... 11 2 4
DTC P0506 ISC SYSTEM ...................................... 112 5
Description ........................................................... 11 2 5
On Board Diagnosis Logic ................................... 11 2 5
DTC Confirmation Procedure .............................. 11 2 5
Diagnostic Procedure .......................................... 11 2 6
DTC P0507 ISC SYSTEM ...................................... 112 7
Description ........................................................... 11 2 7
On Board Diagnosis Logic ................................... 11 2 7
DTC Confirmation Procedure .............................. 11 2 7
Diagnostic Procedure .......................................... 11 2 8
DTC P0550 PSP SENSOR .................................... 112 9
Component Description ....................................... 11 2 9
CONSULT-II Reference Value in Data Monitor Mode 11 2 9
On Board Diagnosis Logic ................................... 11 2 9
DTC Confirmation Procedure .............................. 11 2 9
Wiring Diagram .................................................... 11 3 0
Diagnostic Procedure .......................................... 11 3 1
Component Inspection ......................................... 11 3 3
Removal and Installation ..................................... 11 3 3
DTC P0605 ECM .................................................... 113 4
Component Description ....................................... 11 3 4
On Board Diagnosis Logic ................................... 11 3 4
DTC Confirmation Procedure .............................. 11 3 4
Diagnostic Procedure .......................................... 11 3 5
DTC P1065 ECM POWER SUPPLY ...................... 113 7
Component Description ....................................... 11 3 7
On Board Diagnosis Logic ................................... 11 3 7
DTC Confirmation Procedure .............................. 11 3 7
Wiring Diagram .................................................... 11 3 8
Diagnostic Procedure .......................................... 11 3 9
DTC P1111, P1136 IVT CONTROL SOLENOID
VALVE .................................................................... 114 1
Component Description ....................................... 11 4 1
CONSULT-II Reference Value in Data Monitor Mode 11 4 1
On Board Diagnosis Logic ................................... 11 4 1
DTC Confirmation Procedure .............................. 11 4 1
Wiring Diagram .................................................... 11 4 2
Diagnostic Procedure .......................................... 11 4 5
Component Inspection ......................................... 11 4 7
Removal and Installation ..................................... 11 4 7
DTC P1121 ELECTRIC THROTTLE CONTROL
ACTUATOR ............................................................ 114 8
Component Description ....................................... 11 4 8
On Board Diagnosis Logic ................................... 11 4 8
DTC Confirmation Procedure .............................. 11 4 8
Diagnostic Procedure .......................................... 11 4 9
DTC P1122 ELECTRIC THROTTLE CONTROL
FUNCTION ............................................................. 115 0
Description ........................................................... 11 5 0
On Board Diagnosis Logic ................................... 11 5 0
DTC Confirmation Procedure .............................. 11 5 0
Wiring Diagram .................................................... 11 5 1
Diagnostic Procedure .......................................... 11 5 2

EC-14Revision: 2005 July 2005 FX
Diagnostic Procedure ..........................................
1305
Component Inspection ......................................... 1307
Removal and Installation ..................................... 1308
DTC P2127, P2128 APP SENSOR ........................ 1309
Component Description ....................................... 1309
CONSULT-II Reference Value in Data Monitor Mode 1309
On Board Diagnosis Logic ................................... 1309
DTC Confirmation Procedure .............................. 1310
Wiring Diagram .................................................... 1311
Diagnostic Procedure .......................................... 1312
Component Inspection ......................................... 1315
Removal and Installation ..................................... 1315
DTC P2135 TP SENSOR ....................................... 1316
Component Description ....................................... 1316
CONSULT-II Reference Value in Data Monitor Mode 1316
On Board Diagnosis Logic ................................... 1316
DTC Confirmation Procedure .............................. 1317
Wiring Diagram .................................................... 1318
Diagnostic Procedure .......................................... 1319
Component Inspection ......................................... 1322
Removal and Installation ..................................... 1322
DTC P2138 APP SENSOR .................................... 1323
Component Description ....................................... 1323
CONSULT-II Reference Value in Data Monitor Mode 1323
On Board Diagnosis Logic ................................... 1323
DTC Confirmation Procedure .............................. 1324
Wiring Diagram .................................................... 1325
Diagnostic Procedure .......................................... 1326
Component Inspection ......................................... 1330
Removal and Installation ..................................... 1330
VARIABLE INDUCTION AIR CONTROL SYSTEM
(VIAS) ..................................................................... 1331
Description ........................................................... 1331
CONSULT-II Reference Value in Data Monitor Mode 1332
Wiring Diagram .................................................... 1333
Diagnostic Procedure .......................................... 1334
Component Inspection ......................................... 1337
Removal and Installation ..................................... 1338
IGNITION SIGNAL ................................................. 1339
Component Description ....................................... 1339
Wiring Diagram .................................................... 1340
Diagnostic Procedure .......................................... 1345
Component Inspection ......................................... 1349
Removal and Installation ..................................... 1350
INJECTOR CIRCUIT .............................................. 1351
Component Description ....................................... 1351
CONSULT-II Reference Value in Data Monitor Mode 1351
Wiring Diagram .................................................... 1352
Diagnostic Procedure .......................................... 1353
Component Inspection ......................................... 1357
Removal and Installation ..................................... 1357
FUEL PUMP CIRCUIT ........................................... 1358
Description ........................................................... 1358
CONSULT-II Reference Value in Data Monitor Mode 1358
Wiring Diagram .................................................... 1359
Diagnostic Procedure ........................................... 1360
Component Inspection ......................................... 1363
Removal and Installation ...................................... 1363
REFRIGERANT PRESSURE SENSOR ................. 1364
Component Description ....................................... 1364
Wiring Diagram .................................................... 1365
Diagnostic Procedure ........................................... 1366
Removal and Installation ...................................... 1368
ELECTRICAL LOAD SIGNAL ............................... 1369
Description ........................................................... 1369
CONSULT-II Reference Value in Data Monitor Mode 1369
Diagnostic Procedure ........................................... 1369
ICC BRAKE SWITCH ............................................. 1370
Component Description ....................................... 1370
CONSULT-II Reference Value in Data Monitor Mode 1370
Wiring Diagram .................................................... 1371
Diagnostic Procedure ........................................... 1372
Component Inspection ......................................... 1377
ASCD BRAKE SWITCH ......................................... 1378
Component Description ....................................... 1378
CONSULT-II Reference Value in Data Monitor Mode 1378
Wiring Diagram .................................................... 1379
Diagnostic Procedure ........................................... 1380
Component Inspection ......................................... 1384
ASCD INDICATOR ................................................. 1385
Component Description ....................................... 1385
CONSULT-II Reference Value in Data Monitor Mode
1385
Wiring Diagram .................................................... 1386
Diagnostic Procedure ........................................... 1387
SNOW MODE SWITCH .......................................... 1388
Description ........................................................... 1388
CONSULT-II Reference Value in the Data Monitor
Mode .................................................................... 1388
Wiring Diagram .................................................... 1389
Diagnostic Procedure ........................................... 1390
Component Inspection ......................................... 1392
MIL AND DATA LINK CONNECTOR ..................... 1393
Wiring Diagram .................................................... 1393
SERVICE DATA AND SPECIFICATIONS (SDS) ... 1395
Fuel Pressure ....................................................... 1395
Idle Speed and Ignition Timing ............................. 1395
Calculated Load Value ......................................... 1395
Mass Air Flow Sensor .......................................... 1395
Intake Air Temperature Sensor ............................ 1395
Engine Coolant Temperature Sensor ................... 1395
Fuel Tank Temperature Sensor ............................ 1395
Crankshaft Position Sensor (POS) ...................... 1395
Camshaft Position Sensor (PHASE) .................... 1395
Heated Oxygen Sensor 1 Heater ......................... 1395
Heated Oxygen sensor 2 Heater ......................... 1396
Throttle Control Motor .......................................... 1396
Injector ................................................................. 1396
Fuel Pump ............................................................ 1396

PREPARATION EC-27
[VQ35DE]
C
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EC
Revision: 2005 July 2005 FX
PREPARATIONPFP:00002
Special Service ToolsABS006K2
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
(Kent-Moore No.)
Tool name Description
EG17650301
(J-33984-A)
Radiator cap tester
adapter Adapting radiator cap tester to radiator cap and
radiator filler neck
a: 28 (1.10) dia.
b: 31.4 (1.236) dia.
c: 41.3 (1.626) dia.
Unit: mm (in)
KV10117100
(J-36471-A)
Heated oxygen
sensor wrench Loosening or tightening heated oxygen sensor
with 22 mm (0.87 in) hexagon nut
KV10114400
(J-38365)
Heated oxygen
sensor wrench Loosening or tightening air fuel ratio (A/F) sensor
a: 22 mm (0.87 in)
(J-44321)
Fuel pressure gauge
kit Checking fuel pressure
(J-44321-6)
Fuel pressure adapter Connecting fuel pressure gauge to quick
connector type fuel lines.
(J-44626)
Air fuel ratio (A/F)
sensor wrench Loosening or tightening air fuel ratio (A/F) sensor
1
(J-45488)
Quick connector
release Remove fuel tube quick connectors in engine
room.
S-NT564
S-NT379
S-NT636
LEC642
LBIA0376E
LEM054
PBIC0198E

PREPARATION EC-29
[VQ35DE]
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Revision: 2005 July 2005 FX
Commercial Service ToolsABS006K3
Tool name
(Kent-Moore No.) Description
Leak detector
i.e.: (J-41416) Locating EVAP leak
EVAP service port
adapter
i.e.: (J-41413-OBD) Applying positive pressure through EVAP service
port
Fuel filler cap adapter
i.e.: (MLR-8382) Checking fuel tank vacuum relief valve opening
pressure
Socket wrench Removing and installing engine coolant temperature sensor
Oxygen sensor thread
cleaner
i.e.: (J-43897-18)
(J-43897-12) Reconditioning the exhaust system threads
before installing a new oxygen sensor. Use with
anti-seize lubricant shown below.
a: 18 mm diameter with pitch 1.5 mm for
Zirconia Oxygen Sensor
b: 12 mm diameter with pitch 1.25 mm for
Titania Oxygen Sensor
Anti-seize lubricant
i.e.: (Permatex
TM
133AR or equivalent
meeting MIL
specification MIL-A-
907) Lubricating oxygen sensor thread cleaning tool
when reconditioning exhaust system threads.
S-NT703
S-NT704
S-NT815
S-NT705
AEM488
S-NT779