2004 INFINITI FX35 pg power

EC-1
ENGINE CONTROL SYSTEM
B ENGINE
CONTENTS
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SECTION EC
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EC
Revision: 2004 November 2004 FX35/FX45
ENGINE CONTROL SYSTEM
VQ35DE
INDEX FOR DTC ...................................................... 15
Alphabetical Index .................................................. 15
DTC No. Index ....................................................... 19
PRECAUTIONS ........................................................ 23
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ................................................................ 23
On Board Diagnostic (OBD) System of Engine and
A/T .......................................................................... 23
Precaution .............................................................. 23
Wiring Diagrams and Trouble Diagnosis ................ 26
PREPARATION ......................................................... 27
Special Service Tools ............................................. 27
Commercial Service Tools ...................................... 28
ENGINE CONTROL SYSTEM .................................. 29
System Diagram ..................................................... 29
Vacuum Hose Drawing ........................................... 30
System Chart ......................................................... 31
Multiport Fuel Injection (MFI) System .................... 32
Electronic Ignition (EI) System ............................... 34
Air Conditioning Cut Control ................................... 35
Fuel Cut Control (at No Load and High Engine
Speed) .................................................................... 35
CAN communication .............................................. 36
BASIC SERVICE PROCEDURE .............................. 37
Idle Speed and Ignition Timing Check .................... 37
Idle Speed/Ignition Timing/Idle Mixture Ratio
Adjustment ............................................................. 38
Accelerator Pedal Released Position Learning ...... 49
Throttle Valve Closed Position Learning ................ 49
Idle Air Volume Learning ........................................ 49
Fuel Pressure Check .............................................. 51
ON BOARD DIAGNOSTIC (OBD) SYSTEM ............ 53
Introduction ............................................................ 53
Two Trip Detection Logic ........................................ 53
Emission-Related Diagnostic Information .............. 54
IVIS (Infiniti Vehicle Immobilizer System — NATS) ... 68
Malfunction Indicator Lamp (MIL) ........................... 68
OBD System Operation Chart ................................ 72TROUBLE DIAGNOSIS ............................................ 77
Trouble Diagnosis Introduction ............................... 77
DTC Inspection Priority Chart ................................. 80
Fail-Safe Chart ....................................................... 82
Basic Inspection ..................................................... 83
Symptom Matrix Chart ............................................ 88
Engine Control Component Parts Location ............ 92
Circuit Diagram ....................................................... 98
ECM Harness Connector Terminal Layout ...........100
ECM Terminals and Reference Value ...................100
CONSULT-II Function ...........................................109
Generic Scan Tool (GST) Function .......................122
CONSULT-II Reference Value in Data Monitor .....125
Major Sensor Reference Graph in Data Monitor
Mode .....................................................................129
TROUBLE DIAGNOSIS - SPECIFICATION VALUE .131
Description ............................................................131
Testing Condition ..................................................131
Inspection Procedure ............................................131
Diagnostic Procedure ...........................................132
TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-
DENT .......................................................................135
Description ............................................................135
Diagnostic Procedure ...........................................135
POWER SUPPLY AND GROUND CIRCUIT ...........136
Wiring Diagram .....................................................136
Diagnostic Procedure ...........................................137
Ground Inspection ................................................141
DTC U1000, U1001 CAN COMMUNICATION LINE .142
Description ............................................................142
On Board Diagnosis Logic ....................................142
DTC Confirmation Procedure ...............................142
Wiring Diagram .....................................................143
Diagnostic Procedure ...........................................144
DTC P0011, P0021 IVT CONTROL ........................145
Description ............................................................145
CONSULT-II Reference Value in Data Monitor Mode
.145
On Board Diagnosis Logic ....................................146

EC-4Revision: 2004 November 2004 FX35/FX45Wiring Diagram .....................................................337
Diagnostic Procedure ...........................................339
Component Inspection ..........................................340
Removal and Installation ......................................341
DTC P0447 EVAP CANISTER VENT CONTROL
VALVE .....................................................................342
Component Description ........................................342
CONSULT-II Reference Value in Data Monitor Mode
.342
On Board Diagnosis Logic ....................................342
DTC Confirmation Procedure ...............................343
Wiring Diagram .....................................................344
Diagnostic Procedure ...........................................345
Component Inspection ..........................................347
DTC P0451 EVAP CONTROL SYSTEM PRESSURE
SENSOR ..................................................................349
Component Description ........................................349
CONSULT-II Reference Value in Data Monitor Mode
.349
On Board Diagnosis Logic ....................................349
DTC Confirmation Procedure ...............................350
Diagnostic Procedure ...........................................350
Component Inspection ..........................................351
DTC P0452 EVAP CONTROL SYSTEM PRESSURE
SENSOR ..................................................................352
Component Description ........................................352
CONSULT-II Reference Value in Data Monitor Mode
.352
On Board Diagnosis Logic ....................................352
DTC Confirmation Procedure ...............................353
Wiring Diagram .....................................................354
Diagnostic Procedure ...........................................355
Component Inspection ..........................................357
DTC P0453 EVAP CONTROL SYSTEM PRESSURE
SENSOR ..................................................................358
Component Description ........................................358
CONSULT-II Reference Value in Data Monitor Mode
.358
On Board Diagnosis Logic ....................................358
DTC Confirmation Procedure ...............................359
Wiring Diagram .....................................................360
Diagnostic Procedure ...........................................361
Component Inspection ..........................................365
DTC P0455 EVAP CONTROL SYSTEM .................366
On Board Diagnosis Logic ....................................366
DTC Confirmation Procedure ...............................367
Diagnostic Procedure ...........................................368
DTC P0456 EVAP CONTROL SYSTEM .................374
On Board Diagnosis Logic ....................................374
DTC Confirmation Procedure ...............................375
Overall Function Check ........................................376
Diagnostic Procedure ...........................................377
DTC P0460 FUEL LEVEL SENSOR .......................384
Component Description ........................................384
On Board Diagnosis Logic ....................................384
DTC Confirmation Procedure ...............................384
Diagnostic Procedure ...........................................385
Removal and Installation ......................................385DTC P0461 FUEL LEVEL SENSOR .......................386
Component Description ........................................386
On Board Diagnosis Logic ....................................386
Overall Function Check .........................................386
Diagnostic Procedure ............................................387
Removal and Installation .......................................387
DTC P0462, P0463 FUEL LEVEL SENSOR ...........388
Component Description ........................................388
On Board Diagnosis Logic ....................................388
DTC Confirmation Procedure ................................388
Diagnostic Procedure ............................................389
Removal and Installation .......................................389
DTC P0500 VSS ......................................................390
Description ............................................................390
On Board Diagnosis Logic ....................................390
DTC Confirmation Procedure ................................390
Overall Function Check .........................................390
Diagnostic Procedure ............................................391
DTC P0506 ISC SYSTEM .......................................392
Description ............................................................392
On Board Diagnosis Logic ....................................392
DTC Confirmation Procedure ................................392
Diagnostic Procedure ............................................393
DTC P0507 ISC SYSTEM .......................................394
Description ............................................................394
On Board Diagnosis Logic ....................................394
DTC Confirmation Procedure ................................394
Diagnostic Procedure ............................................395
DTC P0550 PSP SENSOR ......................................396
Component Description ........................................396
CONSULT-II Reference Value in Data Monitor Mode
.396
On Board Diagnosis Logic ....................................396
DTC Confirmation Procedure ................................396
Wiring Diagram .....................................................397
Diagnostic Procedure ............................................398
Component Inspection ..........................................400
Removal and Installation .......................................400
DTC P0605 ECM .....................................................401
Component Description ........................................401
On Board Diagnosis Logic ....................................401
DTC Confirmation Procedure ................................401
Diagnostic Procedure ............................................402
DTC P1065 ECM POWER SUPPLY ........................404
Component Description ........................................404
On Board Diagnosis Logic ....................................404
DTC Confirmation Procedure ................................404
Wiring Diagram .....................................................405
Diagnostic Procedure ............................................406
D T C P1111, P 1136 IVT CONTROL SOLENOID
VALVE ......................................................................408
Component Description ........................................408
CONSULT-II Reference Value in Data Monitor Mode
.408
On Board Diagnosis Logic ....................................408
DTC Confirmation Procedure ................................408
Wiring Diagram .....................................................409
Diagnostic Procedure ............................................412

EC-5
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ECA
Revision: 2004 November 2004 FX35/FX45Component Inspection ......................................... 414
Removal and Installation ...................................... 414
DTC P1121 ELECTRIC THROTTLE CONTROL
ACTUATOR ............................................................ 415
Component Description ........................................ 415
On Board Diagnosis Logic ................................... 415
DTC Confirmation Procedure ............................... 415
Diagnostic Procedure ........................................... 416
DTC P1122 ELECTRIC THROTTLE CONTROL
FUNCTION .............................................................. 417
Description ........................................................... 417
On Board Diagnosis Logic ................................... 417
DTC Confirmation Procedure ............................... 417
Wiring Diagram .................................................... 418
Diagnostic Procedure ........................................... 419
Component Inspection ......................................... 422
Removal and Installation ...................................... 422
DTC P1124, P1126 THROTTLE CONTROL MOTOR
RELAY .................................................................... 423
Component Description ........................................ 423
CONSULT-II Reference Value in Data Monitor Mode
. 423
On Board Diagnosis Logic ................................... 423
DTC Confirmation Procedure ............................... 423
Wiring Diagram .................................................... 425
Diagnostic Procedure ........................................... 426
DTC P1128 THROTTLE CONTROL MOTOR ........ 428
Component Description ........................................ 428
On Board Diagnosis Logic ................................... 428
DTC Confirmation Procedure ............................... 428
Wiring Diagram .................................................... 429
Diagnostic Procedure ........................................... 430
Component Inspection ......................................... 431
Removal and Installation ...................................... 432
DTC P1143, P1163 HO2S1 ..................................... 433
Component Description ........................................ 433
CONSULT-II Reference Value in Data Monitor Mode
. 433
On Board Diagnosis Logic ................................... 433
DTC Confirmation Procedure ............................... 434
Overall Function Check ........................................ 435
Diagnostic Procedure ........................................... 435
Component Inspection ......................................... 437
Removal and Installation ...................................... 438
DTC P1144, P1164 HO2S1 ..................................... 439
Component Description ........................................ 439
CONSULT-II Reference Value in Data Monitor Mode
. 439
On Board Diagnosis Logic ................................... 439
DTC Confirmation Procedure ............................... 440
Overall Function Check ........................................ 441
Diagnostic Procedure ........................................... 441
Component Inspection ......................................... 443
Removal and Installation ...................................... 445
DTC P1146, P1166 HO2S2 ..................................... 446
Component Description ........................................ 446
CONSULT-II Reference Value in Data Monitor Mode
. 446
On Board Diagnosis Logic ................................... 446DTC Confirmation Procedure ...............................447
Overall Function Check ........................................447
Wiring Diagram .....................................................449
Diagnostic Procedure ...........................................452
Component Inspection ..........................................454
Removal and Installation ......................................456
DTC P1147, P1167 HO2S2 .....................................457
Component Description ........................................457
CONSULT-II Reference Value in Data Monitor Mode
.457
On Board Diagnosis Logic ....................................457
DTC Confirmation Procedure ...............................458
Overall Function Check ........................................458
Wiring Diagram .....................................................460
Diagnostic Procedure ...........................................463
Component Inspection ..........................................465
Removal and Installation ......................................467
DTC P1148, P1168 CLOSED LOOP CONTROL ....468
On Board Diagnosis Logic ....................................468
DTC Confirmation Procedure ...............................468
Overall Function Check ........................................468
Diagnostic Procedure ...........................................469
DTC P1211 TCS CONTROL UNIT ..........................470
Description ............................................................470
On Board Diagnosis Logic ....................................470
DTC Confirmation Procedure ...............................470
Diagnostic Procedure ...........................................470
DTC P1212 TCS COMMUNICATION LINE ............471
Description ............................................................471
On Board Diagnosis Logic ....................................471
DTC Confirmation Procedure ...............................471
Diagnostic Procedure ...........................................471
DTC P1217 ENGINE OVER TEMPERATURE ........472
Description ............................................................472
CONSULT-II Reference Value in Data Monitor Mode
.475
On Board Diagnosis Logic ....................................475
Overall Function Check ........................................475
Wiring Diagram .....................................................477
Diagnostic Procedure ...........................................479
Main 12 Causes of Overheating ...........................484
Component Inspection ..........................................484
DTC P1225 TP SENSOR ........................................485
Component Description ........................................485
On Board Diagnosis Logic ....................................485
DTC Confirmation Procedure ...............................485
Diagnostic Procedure ...........................................486
Removal and Installation ......................................486
DTC P1226 TP SENSOR ........................................487
Component Description ........................................487
On Board Diagnosis Logic ....................................487
DTC Confirmation Procedure ...............................487
Diagnostic Procedure ...........................................488
Removal and Installation ......................................488
DTC P1229 SENSOR POWER SUPPLY ................489
On Board Diagnosis Logic ....................................489
DTC Confirmation Procedure ...............................489
Wiring Diagram .....................................................490
Diagnostic Procedure ...........................................491

EC-8Revision: 2004 November 2004 FX35/FX45 PREPARATION .......................................................674
Special Service Tools ...........................................674
Commercial Service Tools ....................................675
ENGINE CONTROL SYSTEM ................................676
System Diagram ...................................................676
Vacuum Hose Drawing .........................................677
System Chart ........................................................678
Multiport Fuel Injection (MFI) System ...................679
Electronic Ignition (EI) System .............................681
Nissan Torque Demand (NTD) Control System ....682
Air Conditioning Cut Control .................................683
Fuel Cut Control (at No Load and High Engine
Speed) ..................................................................683
CAN communication .............................................684
BASIC SERVICE PROCEDURE .............................685
Idle Speed and Ignition Timing Check ..................685
Idle Speed/Ignition Timing/Idle Mixture Ratio
Adjustment ............................................................687
Accelerator Pedal Released Position Learning ....698
Throttle Valve Closed Position Learning ...............698
Idle Air Volume Learning ......................................698
Fuel Pressure Check ............................................700
ON BOARD DIAGNOSTIC (OBD) SYSTEM ..........703
Introduction ...........................................................703
Two Trip Detection Logic ......................................703
Emission-related Diagnostic Information ..............704
IVIS (Infiniti Vehicle Immobilizer System — NATS) .717
Malfunction Indicator Lamp (MIL) .........................717
OBD System Operation Chart ..............................721
TROUBLE DIAGNOSIS ..........................................726
Trouble Diagnosis Introduction .............................726
DTC Inspection Priority Chart ...............................729
Fail-safe Chart ......................................................731
Basic Inspection ...................................................733
Symptom Matrix Chart ..........................................738
Engine Control Component Parts Location ..........742
Circuit Diagram .....................................................748
ECM Harness Connector Terminal Layout ...........750
ECM Terminals and Reference Value ...................750
CONSULT-II Function ...........................................759
Generic Scan Tool (GST) Function .......................772
CONSULT-II Reference Value in Data Monitor .....775
Major Sensor Reference Graph in Data Monitor
Mode .....................................................................778
TROUBLE DIAGNOSIS - SPECIFICATION VALUE .780
Description ............................................................780
Testing Condition ..................................................780
Inspection Procedure ............................................780
Diagnostic Procedure ...........................................781
TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-
DENT .......................................................................784
Description ............................................................784
Diagnostic Procedure ...........................................784
POWER SUPPLY AND GROUND CIRCUIT ...........785
Wiring Diagram .....................................................785
Diagnostic Procedure ...........................................786
Ground Inspection ................................................791
DTC U1000, U1001 CAN COMMUNICATION LINE .792
Description ............................................................792On Board Diagnosis Logic ....................................792
DTC Confirmation Procedure ................................792
Wiring Diagram .....................................................793
Diagnostic Procedure ............................................794
DTC P0011, P0021 IVT CONTROL .........................795
Description ............................................................795
CONSULT-II Reference Value in Data Monitor Mode
.796
On Board Diagnosis Logic ....................................796
DTC Confirmation Procedure ................................797
Wiring Diagram .....................................................798
Diagnostic Procedure ............................................801
Component Inspection ..........................................805
Removal and Installation .......................................805
DTC P0031, P0032, P0051, P0052 HO2S1 HEATER .806
Description ............................................................806
CONSULT-II Reference Value in Data Monitor Mode
.806
On Board Diagnosis Logic ....................................806
DTC Confirmation Procedure ................................807
Wiring Diagram .....................................................808
Diagnostic Procedure ............................................811
Component Inspection ..........................................813
Removal and Installation .......................................813
DTC P0037, P0038, P0057, P0058 HO2S2 HEATER .814
Description ............................................................814
CONSULT-II Reference Value in Data Monitor Mode
.814
On Board Diagnosis Logic ....................................814
DTC Confirmation Procedure ................................815
Wiring Diagram .....................................................816
Diagnostic Procedure ............................................819
Component Inspection ..........................................821
Removal and Installation .......................................821
DTC P0101 MAF SENSOR .....................................822
Component Description ........................................822
CONSULT-II Reference Value in Data Monitor Mode
.822
On Board Diagnosis Logic ....................................822
DTC Confirmation Procedure ................................823
Overall Function Check .........................................824
Wiring Diagram .....................................................825
Diagnostic Procedure ............................................826
Component Inspection ..........................................829
Removal and Installation .......................................829
DTC P0102, P0103 MAF SENSOR .........................830
Component Description ........................................830
CONSULT-II Reference Value in Data Monitor Mode
.830
On Board Diagnosis Logic ....................................830
DTC Confirmation Procedure ................................831
Wiring Diagram .....................................................832
Diagnostic Procedure ............................................833
Component Inspection ..........................................836
Removal and Installation .......................................836
DTC P0112, P0113 IAT SENSOR ............................837
Component Description ........................................837
On Board Diagnosis Logic ....................................837
DTC Confirmation Procedure ................................837

EC-11
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Revision: 2004 November 2004 FX35/FX45DTC P0456 EVAP CONTROL SYSTEM ...............1030
On Board Diagnosis Logic ..................................1030
DTC Confirmation Procedure ..............................1031
Overall Function Check .......................................1032
Diagnostic Procedure ..........................................1033
DTC P0460 FUEL LEVEL SENSOR .....................1040
Component Description .......................................1040
On Board Diagnosis Logic ..................................1040
DTC Confirmation Procedure ..............................1040
Diagnostic Procedure ..........................................1041
Removal and Installation .....................................1041
DTC P0461 FUEL LEVEL SENSOR .....................1042
Component Description .......................................1042
On Board Diagnosis Logic ..................................1042
Overall Function Check .......................................1042
Diagnostic Procedure ..........................................1043
Removal and Installation .....................................1043
DTC P0462, P0463 FUEL LEVEL SENSOR CIR-
CUIT .......................................................................1044
Component Description .......................................1044
On Board Diagnosis Logic ..................................1044
DTC Confirmation Procedure ..............................1044
Diagnostic Procedure ..........................................1045
Removal and Installation .....................................1045
DTC P0500 VSS ....................................................1046
Description ..........................................................1046
On Board Diagnosis Logic ..................................1046
DTC Confirmation Procedure ..............................1046
Overall Function Check .......................................1047
Diagnostic Procedure ..........................................1047
DTC P0506 ISC SYSTEM ......................................1048
Description ..........................................................1048
On Board Diagnosis Logic ..................................1048
DTC Confirmation Procedure ..............................1048
Diagnostic Procedure ..........................................1049
DTC P0507 ISC SYSTEM ......................................1050
Description ..........................................................1050
On Board Diagnosis Logic ..................................1050
DTC Confirmation Procedure ..............................1050
Diagnostic Procedure ..........................................1051
DTC P0550 PSP SENSOR ....................................1052
Component Description .......................................1052
CONSULT-II Reference Value in Data Monitor Mode
1052
On Board Diagnosis Logic ..................................1052
DTC Confirmation Procedure ..............................1052
Wiring Diagram ...................................................1053
Diagnostic Procedure ..........................................1054
Component Inspection ........................................1056
Removal and Installation .....................................1056
DTC P0605 ECM ...................................................1057
Component Description .......................................1057
On Board Diagnosis Logic ..................................1057
DTC Confirmation Procedure ..............................1057
Diagnostic Procedure ..........................................1058
DTC P1065 ECM POWER SUPPLY ......................1060
Component Description .......................................1060
On Board Diagnosis Logic ..................................1060
DTC Confirmation Procedure ..............................1060Wiring Diagram ....................................................1061
Diagnostic Procedure ..........................................1062
DTC P1102 MAF SENSOR ....................................1064
Component Description .......................................1064
CONSULT-II Reference Value in Data Monitor Mode
1064
On Board Diagnosis Logic ...................................1064
DTC Confirmation Procedure ..............................1065
Wiring Diagram ....................................................1066
Diagnostic Procedure ..........................................1067
Component Inspection .........................................1069
Removal and Installation .....................................1069
DTC P1111, P1136 IVT CONTROL SOLENOID
VALVE ....................................................................1070
Component Description .......................................1070
CONSULT-II Reference Value in Data Monitor Mode
1070
On Board Diagnosis Logic ...................................1070
DTC Confirmation Procedure ..............................1070
Wiring Diagram ....................................................1071
Diagnostic Procedure ..........................................1074
Component Inspection .........................................1076
Removal and Installation .....................................1076
DTC P1121 ELECTRIC THROTTLE CONTROL
ACTUATOR ............................................................1077
Component Description .......................................1077
On Board Diagnosis Logic ...................................1077
DTC Confirmation Procedure ..............................1077
Diagnostic Procedure ..........................................1078
DTC P1122 ELECTRIC THROTTLE CONTROL
FUNCTION .............................................................1079
Description ...........................................................1079
On Board Diagnosis Logic ...................................1079
DTC Confirmation Procedure ..............................1079
Wiring Diagram ....................................................1080
Diagnostic Procedure ..........................................1081
Component Inspection .........................................1084
Removal and Installation .....................................1084
DTC P1124, P1126 THROTTLE CONTROL MOTOR
RELAY ....................................................................1085
Component Description .......................................1085
CONSULT-II Reference Value in Data Monitor Mode
1085
On Board Diagnosis Logic ...................................1085
DTC Confirmation Procedure ..............................1085
Wiring Diagram ....................................................1087
Diagnostic Procedure ..........................................1088
DTC P1128 THROTTLE CONTROL MOTOR ........1090
Component Description .......................................1090
On Board Diagnosis Logic ...................................1090
DTC Confirmation Procedure ..............................1090
Wiring Diagram ....................................................1091
Diagnostic Procedure ..........................................1092
Component Inspection .........................................1093
Removal and Installation .....................................1094
DTC P1140, P1145 IVT CONTROL POSITION SEN-
SOR ........................................................................1095
Component Description .......................................1095
CONSULT-II Reference Value in Data Monitor Mode

EC-12Revision: 2004 November 2004 FX35/FX451095
On Board Diagnosis Logic ...................................1095
DTC Confirmation Procedure ..............................1095
Wiring Diagram ....................................................1096
Diagnostic Procedure ..........................................1099
Component Inspection .........................................11 0 2
Removal and Installation .....................................11 0 2
DTC P1143, P1163 HO2S1 ....................................110 3
Component Description .......................................11 0 3
CONSULT-II Reference Value in Data Monitor Mode
11 0 3
On Board Diagnosis Logic ...................................11 0 3
DTC Confirmation Procedure ..............................11 0 4
Overall Function Check .......................................11 0 5
Diagnostic Procedure ..........................................11 0 5
Component Inspection .........................................11 0 7
Removal and Installation .....................................11 0 8
DTC P1144, P1164 HO2S1 ....................................110 9
Component Description .......................................11 0 9
CONSULT-II Reference Value in Data Monitor Mode
11 0 9
On Board Diagnosis Logic ...................................11 0 9
DTC Confirmation Procedure ..............................111 0
Overall Function Check .......................................1111
Diagnostic Procedure ..........................................1111
Component Inspection .........................................111 3
Removal and Installation .....................................111 5
DTC P1146, P1166 HO2S2 ....................................111 6
Component Description .......................................111 6
CONSULT-II Reference Value in Data Monitor Mode
111 6
On Board Diagnosis Logic ...................................111 6
DTC Confirmation Procedure ..............................111 7
Overall Function Check .......................................111 7
Wiring Diagram ....................................................111 9
Diagnostic Procedure ..........................................11 2 2
Component Inspection .........................................11 2 5
Removal and Installation .....................................11 2 6
DTC P1147, P1167 HO2S2 ....................................112 7
Component Description .......................................11 2 7
CONSULT-II Reference Value in Data Monitor Mode
11 2 7
On Board Diagnosis Logic ...................................11 2 7
DTC Confirmation Procedure ..............................11 2 8
Overall Function Check .......................................11 2 8
Wiring Diagram ....................................................11 3 0
Diagnostic Procedure ..........................................11 3 3
Component Inspection .........................................11 3 6
Removal and Installation .....................................11 3 7
DTC P1148, P1168 CLOSED LOOP CONTROL ...113 8
On Board Diagnosis Logic ...................................11 3 8
DTC Confirmation Procedure ..............................11 3 8
Overall Function Check .......................................11 3 9
Diagnostic Procedure ..........................................11 3 9
DTC P1211 TCS CONTROL UNIT .........................114 0
Description ...........................................................11 4 0
On Board Diagnosis Logic ...................................11 4 0
DTC Confirmation Procedure ..............................11 4 0
Diagnostic Procedure ..........................................11 4 0DTC P1212 TCS COMMUNICATION LINE ............11 41
Description ...........................................................11 4 1
On Board Diagnosis Logic ...................................11 4 1
DTC Confirmation Procedure ...............................11 4 1
Diagnostic Procedure ...........................................11 4 1
DTC P1217 ENGINE OVER TEMPERATURE .......11 42
Description ...........................................................11 4 2
CONSULT-II Reference Value in Data Monitor Mode
11 4 3
On Board Diagnosis Logic ...................................11 4 3
Overall Function Check ........................................11 4 3
Wiring Diagram ....................................................11 4 5
Diagnostic Procedure ...........................................11 4 7
Main 12 Causes of Overheating ..........................11 5 0
Component Inspection .........................................11 5 1
DTC P1225 TP SENSOR .......................................11 52
Component Description .......................................11 5 2
On Board Diagnosis Logic ...................................11 5 2
DTC Confirmation Procedure ...............................11 5 2
Diagnostic Procedure ...........................................11 5 3
Removal and Installation ......................................11 5 3
DTC P1226 TP SENSOR .......................................11 54
Component Description .......................................11 5 4
On Board Diagnosis Logic ...................................11 5 4
DTC Confirmation Procedure ...............................11 5 4
Diagnostic Procedure ...........................................11 5 5
Removal and Installation ......................................11 5 5
DTC P1229 SENSOR POWER SUPPLY ...............11 56
On Board Diagnosis Logic ...................................11 5 6
DTC Confirmation Procedure ...............................11 5 6
Wiring Diagram ....................................................11 5 7
Diagnostic Procedure ...........................................11 5 8
DTC P1444 EVAP CANISTER PURGE VOLUME
CONTROL SOLENOID VALVE ..............................11 60
Description ...........................................................11 6 0
CONSULT-II Reference Value in Data Monitor Mode
11 6 0
On Board Diagnosis Logic ...................................11 6 1
DTC Confirmation Procedure ...............................11 6 1
Wiring Diagram ....................................................11 6 2
Diagnostic Procedure ...........................................11 6 4
Component Inspection .........................................11 6 7
Removal and Installation ......................................11 6 7
DTC P1446 EVAP CANISTER VENT CONTROL
VALVE .....................................................................11 68
Component Description .......................................11 6 8
CONSULT-II Reference Value in Data Monitor Mode
11 6 8
On Board Diagnosis Logic ...................................11 6 8
DTC Confirmation Procedure ...............................11 6 9
Wiring Diagram ....................................................11 7 0
Diagnostic Procedure ...........................................11 7 1
Component Inspection .........................................11 7 2
DTC P1564 ICC STEERING SWITCH ...................11 74
Component Description .......................................11 7 4
CONSULT-II Reference Value in Data Monitor Mode
11 7 4
On Board Diagnosis Logic ...................................11 7 4
DTC Confirmation Procedure ...............................11 7 4

EC-18
[VQ35DE]
INDEX FOR DTC
Revision: 2004 November 2004 FX35/FX45
*1: 1st trip DTC No. is the same as DTC No.
*2: This number is prescribed by SAE J2012.
*3: In Diagnostic Test Mode II (Self-diagnostic results), this number is controlled by NISSAN.
*4: When engine is running.
*5: The troubleshooting for this DTC needs CONSULT-II.
*6: When the fail-safe operations for both self-diagnoses occur, the MIL illuminates.
*7: For models with ICC or ASCD system.
*8: For models with ICC system.PW ST P SEN/CIRC P0550 0550 2 —EC-396
SENSOR POWER/CIRC P1229 1229 1×EC-489
TCC SOLENOID/CIRC P0740 0740 2×AT-123
TCS C/U FUNCTN P1211 1211 2 —EC-470
TCS/CIRC P1212 1212 2 —EC-471
THERMSTAT FNCTN P0128 0128 2×EC-203
TP SEN 1/CIRC P0222 0222 1×EC-284
TP SEN 1/CIRC P0223 0223 1×EC-284
TP SEN 2/CIRC P0122 0122 1×EC-190
TP SEN 2/CIRC P0123 0123 1×EC-190
TP SEN/CIRC A/T P1705 1705 1×AT-136
TP SENSOR P2135 2135 1×EC-569
TURBINE REV S/CIRC P1716 1716 2×AT-143
TW CATALYST SYS-B1 P0420 0420 2×EC-316
TW CATALYST SYS-B2 P0430 0430 2×EC-316
VEH SPD SEN/CIR AT*6P0720 0720 2×AT- 11 6
VEH SPEED SEN/CIRC*6P0500 0500 2×EC-390
VENT CONTROL VALVE P0447 0447 2×EC-342
VENT CONTROL VALVE P1446 1446 2×EC-502
Items
(CONSULT-II screen terms)DTC*
1
TripMIL lighting
upReference page
CONSULT-II
GST*
2ECM*3

INDEX FOR DTC
EC-21
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: 2004 November 2004 FX35/FX45P0605 0605 ECM 1 or 2× or —EC-401
P0705 0705 PNP SW/CIRC 2×AT- 11 2
P0710 0710 ATF TEMP SEN/CIRC 2×AT- 1 3 9
P0720 0720
VEH SPD SEN/CIR AT*62×AT- 11 6
P0725 0725 ENGINE SPEED SIG 2×AT- 1 2 1
P0740 0740 TCC SOLENOID/CIRC 2×AT- 1 2 3
P0744 0744 A/T TCC S/V FNCTN 2×AT- 1 2 5
P0745 0745 L/PRESS SOL/CIRC 2×AT- 1 2 7
P1065 1065 ECM BACK UP/CIRCUIT 2×EC-404
P 1111 1111 I N T / V T I M V / C I R - B 1 2×EC-408
P1121 1121 ETC ACTR 1×EC-415
P1122 1122 ETC FUNCTION/CIRC 1×EC-417
P1124 1124 ETC MOT PWR 1×EC-423
P1126 1126 ETC MOT PWR 1×EC-423
P1128 1128 ETC MOT 1×EC-428
P1136 1136 INT/V TIM V/CIR-B2 2×EC-408
P1143 1143 HO2S1 (B1) 2×EC-433
P1144 1144 HO2S1 (B1) 2×EC-439
P1146 1146 HO2S2 (B1) 2×EC-446
P1147 1147 HO2S2 (B1) 2×EC-457
P1148 1148 CLOSED LOOP-B1 1×EC-468
P1163 1163 HO2S1 (B2) 2×EC-433
P1164 1164 HO2S1 (B2) 2×EC-439
P1166 1166 HO2S2 (B2) 2×EC-446
P1167 1167 HO2S2 (B2) 2×EC-457
P1168 1168 CLOSED LOOP-B2 1×EC-468
P1211 1211 TCS C/U FUNCTN 2 —EC-470
P1212 1212 TCS/CIRC 2 —EC-471
P1217 1217 ENG OVER TEMP 1×EC-472
P1225 1225 CTP LEARNING 2 —EC-485
P1226 1226 CTP LEARNING 2 —EC-487
P1229 1229 SENSOR POWER/CIRC 1×EC-489
P1444 1444 PURG VOLUME CONT/V 2×EC-494
P1446 1446 VENT CONTROL VALVE 2×EC-502
P1564 1564
ASCD SW*71—EC-508, EC-515
P1568 1568
ACC COMMAND VALUE*81—EC-521
P1572 1572
ASCD BRAKE SW*71—EC-522, EC-532
P1574 1574
ASCD VHL SPD SEN*71—EC-541, EC-543
P1610 - P1615 1610 - 1615 NATS MALFUNCTION 2 —EC-68
P1705 1705 TP SEN/CIRC A/T 1×AT- 1 3 6
P1706 1706 P-N POS SW/CIRCUIT 2×EC-545
P1716 1716 TURBINE REV S/CIRC 2×AT- 1 4 3
DTC*1
Items
(CONSULT-II screen terms)TripMIL lighting
upReference page
CONSULT-II
GST*
2ECM*3