2005 INFINITI FX35 vq35de

DI-52
WARNING LAMPS
Revision: 2005 July 2005 FX
5. CHECK OIL PRESSURE SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector and oil pressure switch connector.
3. Check continuity between IPDM E/R harness connector E9 ter- minal 57 (BR) and oil pressure switch harness connector F1 ter-
minal 1 (BR).
OK or NG
OK >> GO TO 6.
NG >> Repair harness or connector.
6. CHECK OIL PRESSURE SWITCH
Check oil pressure switch. Refer to DI-53, "
OIL PRESSURE SWITCH" .
OK or NG
OK >> Replace IPDM E/R. Refer to PG-30, "Removal and Installation of IPDM E/R" .
NG >> Replace oil pressure switch.
Oil Pressure Warning Lamp Does Not Turn Off (Oil Pressure Is Normal)AKS005NG
NOTE:
For oil pressure inspection, refer to LU-8, "
OIL PRESSURE CHECK" (VQ35DE) or LU-25, "OIL PRESSURE
CHECK" (VK45DE)
1. CHECK IPDM E/R OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect oil pressure switch connector.
3. Turn ignition switch ON.
4. Check voltage between oil pressure switch harness connector F1 terminal 1 (BR) and ground.
OK or NG
OK >> GO TO 2.
NG >> GO TO 3.
2. CHECK OIL PRESSURE SWITCH
1. Turn ignition switch OFF.
2. Check oil pressure switch. Refer to DI-53, "
OIL PRESSURE SWITCH" .
OK or NG
OK >> Replace IPDM E/R. Refer to PG-30, "Removal and Installation of IPDM E/R" .
NG >> Replace oil pressure switch. 57 (BR) – 1 (BR) : Continuity should exist.
PKIB3572E
1 (BR) – Ground : Approx. 12 V
PKIB3573E

EC-1
ENGINE CONTROL SYSTEM
B ENGINE
CONTENTS
C
D E
F
G H
I
J
K L
M
SECTION EC
A
EC
Revision: 2005 July 2005 FX
ENGINE CONTROL SYSTEM
VQ35DE
INDEX FOR DTC ...................................................... 15
DTC No. Index .................................................... ... 15
Alphabetical 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
PREPARATION ...................................................... ... 27
Special Service Tools .......................................... ... 27
Commercial Service Tools ................................... ... 29
ENGINE CONTROL SYSTEM ............................... ... 30
System Diagram .................................................. ... 30
Multiport Fuel Injection (MFI) System ................. ... 31
Electronic Ignition (EI) System ............................ ... 33
Fuel Cut Control (at No Load and High Engine
Speed) ................................................................. ... 34
AIR CONDITIONING CUT CONTROL .................. ... 35
Input/Output Signal Chart .................................... ... 35
System Description ............................................. ... 35
AUTOMATIC SPEED CONTROL DEVICE (ASCD) ... 36
System Description ............................................. ... 36
Component Description ....................................... ... 37
CAN COMMUNICATION ....................................... ... 38
System Description ............................................. ... 38
EVAPORATIVE EMISSION SYSTEM .................... ... 39
Description .......................................................... ... 39
Component Inspection ........................................ ... 42
Removal and Installation ..................................... ... 43
How to Detect Fuel Vapor Leakage .................... ... 43
ON BOARD REFUELING VAPOR RECOVERY
(ORVR) ................................................................... ... 46
System Description ............................................. ... 46
Diagnostic Procedure .......................................... ... 47
Component Inspection ........................................ ... 49 POSITIVE CRANKCASE VENTILATION ..............
... 51
Description ........................................................... ... 51
Component Inspection ......................................... ... 51
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-
NATS) ..................................................................... ... 53
Description ........................................................... ... 53
ON BOARD DIAGNOSTIC (OBD) SYSTEM ......... ... 54
Introduction .......................................................... ... 54
Two Trip Detection Logic ..................................... ... 54
Emission-Related Diagnostic Information ............ ... 55
Malfunction Indicator Lamp (MIL) ........................ ... 69
OBD System Operation Chart ............................. ... 72
BASIC SERVICE PROCEDURE ............................ ... 78
Basic Inspection .................................................. ... 78
Idle Speed and Ignition Timing Check ................. ... 83
Idle Mixture Ratio Adjustment .............................. ... 85
VIN Registration .................................................. ... 96
Accelerator Pedal Released Position Learning ... ... 96
Throttle Valve Closed Position Learning .............. ... 96
Idle Air Volume Learning ..................................... ... 97
Fuel Pressure Check ........................................... ... 99
TROUBLE DIAGNOSIS ......................................... .101
Trouble Diagnosis Introduction ............................ .101
DTC Inspection Priority Chart .............................. .107
Fail-Safe Chart .................................................... .109
Symptom Matrix Chart ......................................... .110
Engine Control Component Parts Location ......... .114
Vacuum Hose Drawing ........................................ .120
Circuit Diagram .................................................... .121
ECM Harness Connector Terminal Layout .......... .123
ECM Terminals and Reference Value .................. .123
CONSULT-II Function (ENGINE) ......................... .132
Generic Scan Tool (GST) Function ...................... .144
CONSULT-II Reference Value in Data Monitor .... .147
Major Sensor Reference Graph in Data Monitor
Mode .................................................................... .151
TROUBLE DIAGNOSIS - SPECIFICATION VALUE .153
Description ........................................................... .153
Testing Condition ................................................. .153

INDEX FOR DTC EC-15
[VQ35DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2005 July 2005 FX
[VQ35DE]INDEX FOR DTCPFP:00024
DTC No. IndexABS006JW
NOTE:
If DTC U1000 or U1001 is displayed with other DTC, first perform the trouble diagnosis for DTC U1000,
U1001. Refer to EC-171, "
DTC U1000, U1001 CAN COMMUNICATION LINE" .
DTC*1
Items
(CONSULT-II screen terms) Reference page
CONSULT-II
GST*
2ECM*3
U1000 1000*4CAN COMM CIRCUIT EC-171
U1001
1001*4CAN COMM CIRCUIT EC-171
P0000 0000 NO DTC IS DETECTED.
FURTHER TESTING
MAY BE REQUIRED. —
P0011 0011 INT/V TIM CONT-B1 EC-174
P0021 0021 INT/V TIM CONT-B2 EC-174
P0037 0037 HO2S2 HTR (B1)EC-178
P0038 0038 HO2S2 HTR (B1)EC-178
P0057 0057 HO2S2 HTR (B2)EC-178
P0058 0058 HO2S2 HTR (B2)EC-178
P0101 0101 MAF SEN/CIRCUITEC-186
P0102 0102 MAF SEN/CIRCUITEC-195
P0103 0103 MAF SEN/CIRCUITEC-195
P0112 0112 IAT SEN/CIRCUITEC-203
P0113 0113 IAT SEN/CIRCUITEC-203
P0117 0117 ECT SEN/CIRCUITEC-208
P0118 0118 ECT SEN/CIRCUITEC-208
P0122 0122 TP SEN 2/CIRC EC-213
P0123 0123 TP SEN 2/CIRCEC-213
P0125 0125 ECT SENSOREC-220
P0127 0127 IAT SENSOREC-223
P0128 0128 THERMSTAT FNCTNEC-226
P0138 0138 HO2S2 (B1)EC-228
P0139 0139 HO2S2 (B1)EC-237
P0158 0158 HO2S2 (B2)EC-228
P0159 0159 HO2S2 (B2)EC-237
P0171 0171 FUEL SYS-LEAN-B1EC-248
P0172 0172 FUEL SYS-RICH-B1EC-258
P0174 0174 FUEL SYS-LEAN-B2EC-248
P0175 0175 FUEL SYS-RICH-B2EC-258
P0181 0181 FTT SENSOREC-267
P0182 0182 FTT SEN/CIRCUITEC-273
P0183 0183 FTT SEN/CIRCUITEC-273
P0222 0222 TP SEN 1/CIRCEC-278
P0223 0223 TP SEN 1/CIRCEC-278
P0300 0300 MULTI CYL MISFIREEC-285
P0301 0301 CYL 1 MISFIREEC-285

EC-16
[VQ35DE]
INDEX FOR DTC
Revision: 2005 July 2005 FX
P0302 0302 CYL 2 MISFIRE EC-285
P0303 0303 CYL 3 MISFIREEC-285
P0304 0304 CYL 4 MISFIREEC-285
P0305 0305 CYL 5 MISFIREEC-285
P0306 0306 CYL 6 MISFIREEC-285
P0327 0327 KNOCK SEN/CIRC-B1EC-295
P0328 0328 KNOCK SEN/CIRC-B1EC-295
P0335 0335 CKP SEN/CIRCUITEC-300
P0340 0340 CMP SEN/CIRC-B1EC-307
P0345 0345 CMP SEN/CIRC-B2EC-307
P0420 0420 TW CATALYST SYS-B1EC-316
P0430 0430 TW CATALYST SYS-B2EC-316
P0441 0441 EVAP PURG FLOW/MONEC-322
P0442 0442 EVAP SMALL LEAKEC-327
P0444 0444 PURG VOLUME CONT/VEC-336
P0445 0445 PURG VOLUME CONT/VEC-336
P0447 0447 VENT CONTROL VALVEEC-343
P0451 0451 EVAP SYS PRES SENEC-350
P0452 0452 EVAP SYS PRES SENEC-353
P0453 0453 EVAP SYS PRES SENEC-359
P0455 0455 EVAP GROSS LEAKEC-367
P0456 0456 EVAP VERY SML LEAKEC-375
P0460 0460 FUEL LEV SEN SLOSHEC-385
P0461 0461 FUEL LEVEL SENSOREC-387
P0462 0462 FUEL LEVL SEN/CIRCEC-389
P0463 0463 FUEL LEVL SEN/CIRCEC-389
P0500 0500
VEH SPEED SEN/CIRC*5EC-391
P0506 0506 ISC SYSTEM EC-393
P0507 0507 ISC SYSTEMEC-395
P0550 0550 PW ST P SEN/CIRCEC-397
P0605 0605 ECMEC-402
P0700 0700 TCM AT- 11 3
P0705 0705 PNP SW/CIRCAT- 11 4
P0710 0710 ATF TEMP SEN/CIRCAT-136
P0720 0720
VEH SPD SEN/CIR AT*5AT- 11 8
P0725 0725 ENGINE SPEED SIG AT-123
P0740 0740 TCC SOLENOID/CIRCAT-125
P0744 0744 A/T TCC S/V FNCTNAT-127
P0745 0745 L/PRESS SOL/CIRCAT-129
P1031 1031 A/F SEN1 HTR (B1)EC-405
P1032 1032 A/F SEN1 HTR (B1)EC-405
P1051 1051 A/F SEN1 HTR (B2)EC-405
DTC*1
Items
(CONSULT-II screen terms) Reference page
CONSULT-II
GST*
2ECM*3

INDEX FOR DTC EC-17
[VQ35DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2005 July 2005 FXP1052 1052 A/F SEN1 HTR (B2) EC-405
P1065 1065 ECM BACK UP/CIRCUITEC-413
P 1111 1111 I N T / V T I M V / C I R - B 1EC-417
P1121 1121 ETC ACTR EC-424
P1122 1122 ETC FUNCTION/CIRCEC-426
P1124 1124 ETC MOT PWREC-432
P1126 1126 ETC MOT PWREC-432
P1128 1128 ETC MOTEC-437
P1136 1136 INT/V TIM V/CIR-B2EC-417
P1146 1146 HO2S2 (B1)EC-442
P1147 1147 HO2S2 (B1)EC-453
P1148 1148 CLOSED LOOP-B1EC-464
P1166 1166 HO2S2 (B2)EC-442
P1167 1167 HO2S2 (B2)EC-453
P1168 1168 CLOSED LOOP-B2EC-464
P1211 1211 TCS C/U FUNCTNEC-465
P1212 1212 TCS/CIRC EC-466
P1217 1217 ENG OVER TEMPEC-467
P1225 1225 CTP LEARNINGEC-479
P1226 1226 CTP LEARNINGEC-481
P1229 1229 SENSOR POWER/CIRCEC-483
P1271 1271 A/F SENSOR1 (B1)EC-488
P1272 1272 A/F SENSOR1 (B1)EC-497
P1273 1273 A/F SENSOR1 (B1)EC-506
P1274 1274 A/F SENSOR1 (B1)EC-516
P1276 1276 A/F SENSOR1 (B1)EC-526
P1278 1278 A/F SENSOR1 (B1)EC-536
P1279 1279 A/F SENSOR1 (B1)EC-548
P1281 1281 A/F SENSOR1 (B2)EC-488
P1282 1282 A/F SENSOR1 (B2)EC-497
P1283 1283 A/F SENSOR1 (B2)EC-506
P1284 1284 A/F SENSOR1 (B2)EC-516
P1286 1286 A/F SENSOR1 (B2)EC-526
P1288 1288 A/F SENSOR1 (B2)EC-536
P1289 1289 A/F SENSOR1 (B2)EC-548
P1444 1444 PURG VOLUME CONT/VEC-560
P1446 1446 VENT CONTROL VALVEEC-568
P1564 1564
ASCD SW*6EC-574, EC-581
P1568 1568
ICC COMMAND VALUE*7EC-587
P1572 1572ASCD BRAKE SW*6EC-588, EC-597
P1574 1574
ASCD VHL SPD SEN*6EC-605, EC-607
P1610 - P1615 1610 - 1615 NATS MALFUNCTION EC-53
DTC*1
Items
(CONSULT-II screen terms) Reference page
CONSULT-II
GST*
2ECM*3

EC-18
[VQ35DE]
INDEX FOR DTC
Revision: 2005 July 2005 FX
*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: The troubleshooting for this DTC needs CONSULT-II.
*5: When the fail-safe operations for both self-diagnoses occur, the MIL illuminates.
*6: For models with ICC or ASCD system.
*7: For models with ICC system. P1705 1705 TP SEN/CIRC A/T
AT-133
P1706 1706 P-N POS SW/CIRCUITEC-609
P1716 1716 TURBINE REV S/CIRC AT-141
P1730 1730 A/T INTERLOCKAT-145
P1752 1752 I/C SOLENOID/CIRCAT-150
P1754 1754 I/C SOLENOID FNCTNAT-152
P1757 1757 FR/B SOLENOID/CIRCAT-154
P1759 1759 FR/B SOLENOID FNCTAT-156
P1762 1762 D/C SOLENOID/CIRCAT-158
P1764 1764 D/C SOLENOID FNCTNAT-160
P1767 1767 HLR/C SOL/CIRCAT-162
P1769 1769 HLR/C SOL FNCTNAT-164
P1772 1772 LC/B SOLENOID/CIRCAT-166
P1774 1774 LC/B SOLENOID FNCTAT-168
P1805 1805 BRAKE SW/CIRCUITEC-614
P2122 2122 APP SEN 1/CIRCEC-619
P2123 2123 APP SEN 1/CIRCEC-619
P2127 2127 APP SEN 2/CIRCEC-626
P2128 2128 APP SEN 2/CIRCEC-626
P2135 2135 TP SENSOREC-633
P2138 2138 APP SENSOREC-640
DTC*1
Items
(CONSULT-II screen terms) Reference page
CONSULT-II
GST*
2ECM*3

INDEX FOR DTC EC-19
[VQ35DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2005 July 2005 FX
Alphabetical IndexABS006JV
NOTE:
If DTC U1000 or U1001 is displayed with other DTC, first perform the trouble diagnosis for DTC U1000,
U1001. Refer to EC-171, "
DTC U1000, U1001 CAN COMMUNICATION LINE" .
Items
(CONSULT-II screen terms) DTC*
1
Reference page
CONSULT-II
GST*
2ECM*3
A/F SENSOR1 (B1) P1271 1271 EC-488
A/F SENSOR1 (B1) P1272 1272EC-497
A/F SENSOR1 (B1) P1273 1273EC-506
A/F SENSOR1 (B1) P1274 1274EC-516
A/F SENSOR1 (B1) P1276 1276EC-526
A/F SENSOR1 (B1) P1278 1278EC-536
A/F SENSOR1 (B1) P1279 1279EC-548
A/F SENSOR1 (B2) P1281 1281EC-488
A/F SENSOR1 (B2) P1282 1282EC-497
A/F SENSOR1 (B2) P1283 1283EC-506
A/F SENSOR1 (B2) P1284 1284EC-516
A/F SENSOR1 (B2) P1286 1286EC-526
A/F SENSOR1 (B2) P1288 1288EC-536
A/F SENSOR1 (B2) P1289 1289EC-548
A/F SEN1 HTR (B1) P1031 1031EC-405
A/F SEN1 HTR (B1) P1032 1032EC-405
A/F SEN1 HTR (B2) P1051 1051EC-405
A/F SEN1 HTR (B2) P1052 1052EC-405
A/T INTERLOCK P1730 1730 AT- 1 4 5
A/T TCC S/V FNCTN P0744 0744AT- 1 2 7
ICC COMMAND VALUE*7P1568 1568EC-587
APP SEN 1/CIRC P2122 2122 EC-619
APP SEN 1/CIRC P2123 2123EC-619
APP SEN 2/CIRC P2127 2127EC-626
APP SEN 2/CIRC P2128 2128EC-626
APP SENSOR P2138 2138EC-640
ASCD BRAKE SW*6P1572 1572EC-588, EC-597
ASCD SW*6P1564 1564 EC-574, EC-581
ASCD VHL SPD SEN*6P1574 1574 EC-605, EC-607
ATF TEMP SEN/CIRC P0710 0710 AT- 1 3 6
BRAKE SW/CIRCUIT P1805 1805EC-614
CAN COMM CIRCUIT U1000
1000*4EC-171
CAN COMM CIRCUIT U1001 1001*4EC-171
CKP SEN/CIRCUIT P0335 0335 EC-300
CLOSED LOOP-B1 P1148 1148EC-464
CLOSED LOOP-B2 P1168 1168EC-464
CMP SEN/CIRC-B1 P0340 0340EC-307
CMP SEN/CIRC-B2 P0345 0345EC-307

EC-20
[VQ35DE]
INDEX FOR DTC
Revision: 2005 July 2005 FX
CTP LEARNING P1225 1225 EC-479
CTP LEARNING P1226 1226EC-481
CYL 1 MISFIRE P0301 0301EC-285
CYL 2 MISFIRE P0302 0302EC-285
CYL 3 MISFIRE P0303 0303EC-285
CYL 4 MISFIRE P0304 0304EC-285
CYL 5 MISFIRE P0305 0305EC-285
CYL 6 MISFIRE P0306 0306EC-285
D/C SOLENOID/CIRC P1762 1762 AT-158
D/C SOLENOID FNCTN P1764 1764AT-160
ECM P0605 0605EC-402
ECM BACK UP/CIRCUIT P1065 1065EC-413
ECT SEN/CIRCUIT P0117 0117EC-208
ECT SEN/CIRCUIT P0118 0118EC-208
ECT SENSOR P0125 0125EC-220
ENG OVER TEMP P1217 1217EC-467
ENGINE SPEED SIG P0725 0725 AT-123
ETC ACTR P1121 1121EC-424
ETC FUNCTION/CIRC P1122 1122EC-426
E T C M O T P 11 2 8 11 2 8EC-437
ETC MOT PWR P1124 1124EC-432
ETC MOT PWR P1126 1126EC-432
EVAP GROSS LEAK P0455 0455EC-367
EVAP PURG FLOW/MON P0441 0441EC-322
EVAP SMALL LEAK P0442 0442EC-327
EVAP SYS PRES SEN P0451 0451EC-350
EVAP SYS PRES SEN P0452 0452EC-353
EVAP SYS PRES SEN P0453 0453EC-359
EVAP VERY SML LEAK P0456 0456EC-375
FR/B SOLENOID/CIRC P1757 1757 AT-154
FR/B SOLENOID FNCT P1759 1759AT-156
FTT SEN/CIRCUIT P0182 0182EC-273
FTT SEN/CIRCUIT P0183 0183EC-273
FTT SENSOR P0181 0181EC-267
FUEL LEV SEN SLOSH P0460 0460EC-385
FUEL LEVEL SENSOR P0461 0461EC-387
FUEL LEVL SEN/CIRC P0462 0462EC-389
FUEL LEVL SEW/CIRC P0463 0463EC-389
FUEL SYS-LEAN-B1 P0171 0171EC-248
FUEL SYS-LEAN-B2 P0174 0174EC-248
FUEL SYS-RICH-B1 P0172 0172EC-258
FUEL SYS-RICH-B2 P0175 0175EC-258
Items
(CONSULT-II screen terms) DTC*
1
Reference page
CONSULT-II
GST*
2ECM*3