DI-100
LANE DEPARTURE WARNING SYSTEM
Revision: 2006 January2006 M35/M45
3. CHECK LDW SWITCH GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect LDW switch connector.
3. Check continuity between LDW switch connector and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair harness or connector.
4. CHECK LDW SWITCH SIGNAL INPUT CIRCUIT
1. Disconnect LDW camera unit connector.
2. Check continuity between LDW camera unit harness connector
(A) and LDW switch harness connector (B).
3. Check continuity between LDW camera unit harness connector
(A) and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair harness or connector.
5. CHECK LDW SWITCH
Check LDW switch. Refer to DI-103, "
LDW SWITCH" .
OK or NG
OK >> Replace LDW camera unit.
NG >> Replace LDW switch.
6. CHECK OPERATION OF LDW SYSTEM ON INDICATOR
Check LDW system ON indicator operation “SYSTEM ON LAMP
DRIVE” in “ACTIVE TEST” mode with CONSULT-II.
NOTE:
Perform “SYSTEM ON LAMP DRIVE” when LDW system ON indica-
tor turns OFF.
OK or NG
OK >> Replace LDW camera unit.
NG >> GO TO 7.
LDW switch connector Terminal
GroundContinuity
M49 6 Yes
PKIC0253E
AB
Continuity
Connector Terminal Connector Terminal
M1829 M497 Yes
A
GroundContinuity
Connector Terminal
M182 9 No
PKIC0254E
“SYSTEM ON LAMP DRIVE”
Touch “ON” : LDW system ON indicator illuminates.
Touch “OFF” : LDW system ON indicator turns OFF.
SKIB1788E
LANE DEPARTURE WARNING SYSTEM
DI-101
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7. CHECK LDW SYSTEM ON INDICATOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect LDW switch connector.
3. Turn ignition switch ON.
4. Check voltage between LDW switch harness connector and
ground.
OK or NG
OK >> GO TO 8.
NG >> Check harness between fuse and LDW switch.
8. CHECK LDW SYSTEM ON INDICATOR SIGNAL CIRCUIT
1. Disconnect LDW camera unit connector.
2. Check continuity between LDW camera unit harness connector
(A) and LDW switch harness connector (B).
3. Check continuity between LDW camera unit harness connector
(A) and ground.
OK or NG
OK >> GO TO 9.
NG >> Repair harness or connector.
9. CHECK LDW SYSTEM ON INDICATOR
1. Connect LDW switch connector.
2. Turn ignition switch ON.
3. Apply ground to LDW switch terminal.
4. Check condition of the LDW system ON indicator.
OK or NG
OK >> Replace LDW camera unit.
NG >> Replace LDW switch.
Te r m i n a l s
Voltage (Approx.) (+)
(–)
LDW chime connector Terminal
M49 3 Ground Battery voltage
PKIC0255E
AB
Continuity
Connector Terminal Connector Terminal
M1824 M492 Yes
A
GroundContinuity
Connector Terminal
M182 4 No
PKIC0256E
LDW switch
connectorTerminal
GroundCondition
M49 2 LDW system ON indicator
should illuminate.
PKIC0257E
DI-102
LANE DEPARTURE WARNING SYSTEM
Revision: 2006 January2006 M35/M45
LDW Indicator Lamp Circuit InspectionNKS003VX
1. CHECK OPERATION OF LDW INDICATOR LAMP
Check LDW indicator operation “INDICATOR LAMP DRIVE” in
“ACTIVE TEST” mode with CONSULT-II.
OK or NG
OK >> LDW indicator is OK. Return to DI-96, "SYMPTOM
CHART" .
NG >> GO TO 2.
2. CHECK LDW INDICATOR LAMP SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect LDW camera unit connector and combination meter
connector.
3. Check continuity between LDW camera unit harness connector
(A) and combination meter harness connector (B).
4. Check continuity between LDW camera unit harness connector
(A) and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3. CHECK LDW INDICATOR LAMP
1. Connect combination meter connector.
2. Turn ignition switch ON.
3. Apply ground to combination meter terminal.
4. Check condition of the LDW indicator lamp.
OK or NG
OK >> Replace LDW camera unit.
NG >> Replace combination meter.“INDICATOR LAMP DRIVE”
Touch “ON” : LDW indicator lamp illuminates.
Touch “OFF” : LDW indicator lamp OFF.
PKIB4692E
AB
Continuity
Connector Terminal Connector Terminal
M182 8 M52 8 Yes
A
GroundContinuity
Connector Terminal
M182 8 No
PKIB7671E
Combination meter
connectorTe r m i n a l
GroundCondition
M52 8LDW indicator lamp should
illuminate.
PKIB7672E
LANE DEPARTURE WARNING SYSTEM
DI-103
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Turn Signal Input InspectionNKS003VY
1. CHECK TURN SIGNAL INPUT
Check turn signal input “TURN SIGNAL” in “DATA MONITOR” mode
with CONSULT-II.
OK or NG
OK >> Turn signal input is OK. Return to DI-96, "SYMPTOM
CHART" .
NG >> Check turn signal and hazard warning lamps system,
and repair or replace corresponding parts. Refer to LT- 2 2 0 , "
How to Perform Trouble Diagnoses" .
Electrical Component InspectionNKS003VZ
LDW SWITCH
Check continuity between terminals 6 and 7.
Removal and Installation for LDW Camera UnitNKS003W0
REMOVAL
1. Remove roof console. Refer to EI-52, "HEADLINING" .
2. Disconnect LDW camera unit connector (1).
3. Remove the bolts (A), and remove LDW camera unit (2).
INSTALLATION
Installation is the reverse order of removal.
CAUTION:
Remove the camera lens cap for replacement.
Never give an impact to the LDW camera unit.
Adjust the camera aiming every time the LDW camera unit is removed or installed. Refer to DI-81,
"Camera Aiming Adjustment" . “TURN SIGNAL”
When lighting switch is in TURN RH position : RH
When lighting switch is in TURN LH position : LH
When hazard switch is turned ON : RH/LH
SKIB3125E
Terminal Condition Continuity
67When LDW switch is pushed. Yes
When LDW switch is released. No
PKIC0258E
PKIB7673E
EC-1
ENGINE CONTROL SYSTEM
B ENGINE
CONTENTS
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EC
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ENGINE CONTROL SYSTEM
VQ35DE
INDEX FOR DTC ...................................................... 16
DTC No. Index ....................................................... 16
Alphabetical Index .................................................. 20
PRECAUTIONS ........................................................ 24
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ................................................................ 24
Precautions for Procedures without Cowl Top Cover ... 24
On Board Diagnostic (OBD) System of Engine and
A/T .......................................................................... 24
Precaution .............................................................. 25
PREPARATION ......................................................... 28
Special Service Tools ............................................. 28
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 ........................................... 49POSITIVE 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 ............................... 77
Basic Inspection ..................................................... 77
Idle Speed and Ignition Timing Check .................... 82
Idle Mixture Ratio Adjustment ................................. 84
VIN Registration ..................................................... 95
Accelerator Pedal Released Position Learning ...... 95
Throttle Valve Closed Position Learning ................. 95
Idle Air Volume Learning ........................................ 96
Fuel Pressure Check .............................................. 98
TROUBLE DIAGNOSIS ..........................................100
Trouble Diagnosis Introduction .............................100
DTC Inspection Priority Chart ...............................106
Fail-Safe Chart .....................................................108
Symptom Matrix Chart ..........................................109
Engine Control Component Parts Location ..........113
Vacuum Hose Drawing .........................................121
Circuit Diagram .....................................................122
ECM Harness Connector Terminal Layout ...........124
ECM Terminals and Reference Value ...................124
CONSULT-II Function (ENGINE) ..........................133
Generic Scan Tool (GST) Function .......................146
CONSULT-II Reference Value in Data Monitor .....149
Major Sensor Reference Graph in Data Monitor
Mode .....................................................................153
TROUBLE DIAGNOSIS - SPECIFICATION VALUE .155
Description ............................................................155
Testing Condition ..................................................155
EC-2Revision: 2006 January2006 M35/M45 Inspection Procedure ...........................................
.155
Diagnostic Procedure ...........................................156
TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-
DENT .......................................................................165
Description ............................................................165
Diagnostic Procedure ...........................................165
POWER SUPPLY AND GROUND CIRCUIT ...........166
Wiring Diagram .....................................................166
Diagnostic Procedure ...........................................167
Ground Inspection ................................................172
DTC U1000, U1001 CAN COMMUNICATION LINE .173
Description ............................................................173
On Board Diagnosis Logic ....................................173
DTC Confirmation Procedure ...............................173
Wiring Diagram .....................................................174
Diagnostic Procedure ...........................................175
DTC U1010 CAN COMMUNICATION .....................176
Description ............................................................176
On Board Diagnosis Logic ....................................176
DTC Confirmation Procedure ...............................176
Diagnostic Procedure ...........................................177
DTC P0011, P0021 IVT CONTROL ........................178
Description ............................................................178
CONSULT-II Reference Value in Data Monitor Mode
.178
On Board Diagnosis Logic ....................................179
DTC Confirmation Procedure ...............................179
Diagnostic Procedure ...........................................180
Component Inspection ..........................................181
Removal and Installation ......................................181
DTC P0031, P0032, P0051, P0052 A/F SENSOR 1
HEATER ..................................................................182
Description ............................................................182
CONSULT-II Reference Value in Data Monitor Mode
.182
On Board Diagnosis Logic ....................................182
DTC Confirmation Procedure ...............................182
Wiring Diagram .....................................................183
Diagnostic Procedure ...........................................186
Component Inspection ..........................................188
Removal and Installation ......................................188
DTC P0037, P0038, P0057, P0058 HO2S2 HEATER .189
Description ............................................................189
CONSULT-II Reference Value in Data Monitor Mode
.189
On Board Diagnosis Logic ....................................189
DTC Confirmation Procedure ...............................190
Wiring Diagram ....................................................
.191
Diagnostic Procedure ...........................................194
Component Inspection ..........................................196
Removal and Installation ......................................196
DTC P0075, P0081 IVT CONTROL SOLENOID
VALVE .....................................................................197
Component Description ........................................197
CONSULT-II Reference Value in Data Monitor Mode
.197
On Board Diagnosis Logic ....................................197
DTC Confirmation Procedure ...............................197
Wiring Diagram .....................................................198Diagnostic Procedure ............................................202
Component Inspection ..........................................204
Removal and Installation .......................................204
DTC P0101 MAF SENSOR .....................................205
Component Description ........................................205
CONSULT-II Reference Value in Data Monitor Mode
.205
On Board Diagnosis Logic ....................................205
DTC Confirmation Procedure ................................206
Overall Function Check .........................................207
Wiring Diagram .....................................................208
Diagnostic Procedure ............................................209
Component Inspection ..........................................212
Removal and Installation .......................................213
DTC P0102, P0103 MAF SENSOR .........................214
Component Description ........................................214
CONSULT-II Reference Value in Data Monitor Mode
.214
On Board Diagnosis Logic ....................................214
DTC Confirmation Procedure ................................215
Wiring Diagram .....................................................216
Diagnostic Procedure ............................................217
Component Inspection ..........................................219
Removal and Installation .......................................220
DTC P0112, P0113 IAT SENSOR ............................221
Component Description ........................................221
On Board Diagnosis Logic ....................................221
DTC Confirmation Procedure ................................221
Wiring Diagram .....................................................223
Diagnostic Procedure ............................................224
Component Inspection ..........................................225
Removal and Installation .......................................225
DTC P0117, P0118 ECT SENSOR ..........................226
Component Description ........................................226
On Board Diagnosis Logic ....................................226
DTC Confirmation Procedure ................................227
Wiring Diagram .....................................................228
Diagnostic Procedure ...........................................
.229
Component Inspection ..........................................230
Removal and Installation .......................................230
DTC P0122, P0123 TP SENSOR ............................231
Component Description ........................................231
CONSULT-II Reference Value in Data Monitor Mode
.231
On Board Diagnosis Logic ....................................231
DTC Confirmation Procedure ................................232
Wiring Diagram .....................................................233
Diagnostic Procedure ............................................234
Component Inspection ..........................................237
Removal and Installation .......................................237
DTC P0125 ECT SENSOR ......................................238
Component Description ........................................238
On Board Diagnosis Logic ....................................238
DTC Confirmation Procedure ................................239
Diagnostic Procedure ............................................239
Component Inspection ..........................................240
Removal and Installation .......................................240
DTC P0127 IAT SENSOR ........................................241
Component Description ........................................241
EC-3
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DTC Confirmation Procedure ...............................241
Diagnostic Procedure ...........................................242
Component Inspection .........................................243
Removal and Installation ......................................243
DTC P0128 THERMOSTAT FUNCTION ................244
On Board Diagnosis Logic ...................................244
DTC Confirmation Procedure ...............................244
Diagnostic Procedure ...........................................244
Component Inspection .........................................245
Removal and Installation ......................................245
DTC P0130, P0150 A/F SENSOR 1 .......................246
Component Description ........................................246
CONSULT-II Reference Value in Data Monitor Mode
.246
On Board Diagnosis Logic ...................................246
DTC Confirmation Procedure ...............................246
Overall Function Check ........................................247
Wiring Diagram ....................................................249
Diagnostic Procedure ...........................................252
Removal and Installation ......................................255
DTC P0131, P0151 A/F SENSOR 1 .......................256
Component Description ........................................256
CONSULT-II Reference Value in Data Monitor Mode
.256
On Board Diagnosis Logic ...................................256
DTC Confirmation Procedure ...............................256
Wiring Diagram ....................................................258
Diagnostic Procedure ...........................................261
Removal and Installation ......................................264
DTC P0132, P0152 A/F SENSOR 1 .......................265
Component Description ........................................265
CONSULT-II Reference Value in Data Monitor Mode
.265
On Board Diagnosis Logic ...................................265
DTC Confirmation Procedure ...............................265
Wiring Diagram ....................................................267
Diagnostic Procedure ...........................................270
Removal and Installation ......................................273
DTC P0133, P0153 A/F SENSOR 1 .......................274
Component Description ........................................274
CONSULT-II Reference Value in Data Monitor Mode
.274
On Board Diagnosis Logic ...................................274
DTC Confirmation Procedure ...............................275
Wiring Diagram ....................................................277
Diagnostic Procedure ...........................................280
Removal and Installation ......................................285
DTC P0137, P0157 HO2S2 ....................................286
Component Description ........................................286
CONSULT-II Reference Value in Data Monitor Mode
.286
On Board Diagnosis Logic ...................................286
DTC Confirmation Procedure ...............................287
Overall Function Check ........................................287
Wiring Diagram ....................................................289
Diagnostic Procedure ...........................................292
Component Inspection .........................................294
Removal and Installation ......................................296DTC P0138, P0158 HO2S2 .....................................297
Component Description ........................................297
CONSULT-II Reference Value in Data Monitor Mode
.297
On Board Diagnosis Logic ....................................297
DTC Confirmation Procedure ...............................298
Overall Function Check ........................................299
Wiring Diagram .....................................................300
Diagnostic Procedure ...........................................303
Component Inspection ..........................................307
Removal and Installation ......................................309
DTC P0139, P0159 HO2S2 .....................................310
Component Description ........................................310
CONSULT-II Reference Value in Data Monitor Mode
.310
On Board Diagnosis Logic ....................................310
DTC Confirmation Procedure ...............................311
Overall Function Check ........................................311
Wiring Diagram .....................................................313
Diagnostic Procedure ...........................................316
Component Inspection ..........................................318
Removal and Installation ......................................320
DTC P0171, P0174 FUEL INJECTION SYSTEM
FUNCTION ..............................................................321
On Board Diagnosis Logic ....................................321
DTC Confirmation Procedure ...............................321
Wiring Diagram .....................................................323
Diagnostic Procedure ...........................................327
DTC P0172, P0175 FUEL INJECTION SYSTEM
FUNCTION ..............................................................332
On Board Diagnosis Logic ....................................332
DTC Confirmation Procedure ...............................332
Wiring Diagram .....................................................334
Diagnostic Procedure ...........................................338
DTC P0181 FTT SENSOR ......................................343
Component Description ........................................343
On Board Diagnosis Logic ....................................343
DTC Confirmation Procedure ...............................343
Wiring Diagram .....................................................345
Diagnostic Procedure ...........................................346
Component Inspection ..........................................348
Removal and Installation ......................................348
DTC P0182, P0183 FTT SENSOR ..........................349
Component Description ........................................349
On Board Diagnosis Logic ....................................349
DTC Confirmation Procedure ...............................349
Wiring Diagram .....................................................350
Diagnostic Procedure ...........................................351
Component Inspection ..........................................353
Removal and Installation ......................................353
DTC P0222, P0223 TP SENSOR ............................354
Component Description ........................................354
CONSULT-II Reference Value in Data Monitor Mode
.354
On Board Diagnosis Logic ....................................354
DTC Confirmation Procedure ...............................355
Wiring Diagram .....................................................356
Diagnostic Procedure ...........................................357
EC-4Revision: 2006 January2006 M35/M45 Component Inspection ..........................................360
Removal and Installation ......................................360
DTC P0300 - P0306 MULTIPLE CYLINDER MIS-
FIRE, NO. 1 - 6 CYLINDER MISFIRE .....................361
On Board Diagnosis Logic ....................................361
DTC Confirmation Procedure ...............................361
Diagnostic Procedure ...........................................362
DTC P0327, P0328 KS ............................................371
Component Description ........................................371
On Board Diagnosis Logic ....................................371
DTC Confirmation Procedure ...............................371
Wiring Diagram .....................................................372
Diagnostic Procedure ...........................................373
Component Inspection ..........................................375
Removal and Installation ......................................375
DTC P0335 CKP SENSOR (POS) ..........................376
Component Description ........................................376
CONSULT-II Reference Value in Data Monitor Mode
.376
On Board Diagnosis Logic ....................................376
DTC Confirmation Procedure ...............................377
Wiring Diagram .....................................................378
Diagnostic Procedure ...........................................379
Component Inspection ..........................................382
Removal and Installation ......................................382
DTC P0340, P0345 CMP SENSOR (PHASE) .........383
Component Description ........................................383
CONSULT-II Reference Value in Data Monitor Mode
.383
On Board Diagnosis Logic ....................................383
DTC Confirmation Procedure ...............................383
Wiring Diagram .....................................................385
Diagnostic Procedure ...........................................388
Component Inspection ..........................................391
Removal and Installation ......................................391
DTC P0420, P0430 THREE WAY CATALYST FUNC-
TION ........................................................................392
On Board Diagnosis Logic ....................................392
DTC Confirmation Procedure ...............................392
Overall Function Check ........................................393
Diagnostic Procedure ...........................................394
DTC P0441 EVAP CONTROL SYSTEM .................398
System Description ...............................................398
On Board Diagnosis Logic ....................................398
DTC Confirmation Procedure ...............................398
Overall Function Check ........................................399
Diagnostic Procedure ...........................................400
DTC P0442 EVAP CONTROL SYSTEM .................403
On Board Diagnosis Logic ....................................403
DTC Confirmation Procedure ...............................404
Diagnostic Procedure ...........................................405
DTC P0443 EVAP CANISTER PURGE VOLUME
CONTROL SOLENOID VALVE ...............................412
Description ............................................................412
CONSULT-II Reference Value in Data Monitor Mode
.412
On Board Diagnosis Logic ....................................413
DTC Confirmation Procedure ...............................413
Wiring Diagram .....................................................414Diagnostic Procedure ............................................416
Component Inspection ..........................................419
Removal and Installation .......................................419
DTC P0444, P0445 EVAP CANISTER PURGE VOL-
UME CONTROL SOLENOID VALVE ......................420
Description ............................................................420
CONSULT-II Reference Value in Data Monitor Mode
.420
On Board Diagnosis Logic ....................................421
DTC Confirmation Procedure ................................421
Wiring Diagram .....................................................422
Diagnostic Procedure ............................................424
Component Inspection ..........................................425
Removal and Installation .......................................426
DTC P0447 EVAP CANISTER VENT CONTROL
VALVE ......................................................................427
Component Description ........................................427
CONSULT-II Reference Value in Data Monitor Mode
.427
On Board Diagnosis Logic ....................................427
DTC Confirmation Procedure ................................428
Wiring Diagram .....................................................429
Diagnostic Procedure ............................................430
Component Inspection ..........................................432
DTC P0448 EVAP CANISTER VENT CONTROL
VALVE ......................................................................434
Component Description ........................................434
CONSULT-II Reference Value in Data Monitor Mode
.434
On Board Diagnosis Logic ....................................434
DTC Confirmation Procedure ................................435
Wiring Diagram .....................................................436
Diagnostic Procedure ............................................437
Component Inspection ..........................................438
DTC P0451 EVAP CONTROL SYSTEM PRESSURE
SENSOR ..................................................................440
Component Description ........................................440
CONSULT-II Reference Value in Data Monitor Mode
.440
On Board Diagnosis Logic ....................................440
DTC Confirmation Procedure ................................441
Diagnostic Procedure ............................................441
Component Inspection ..........................................442
DTC P0452 EVAP CONTROL SYSTEM PRESSURE
SENSOR .................................................................
.443
Component Description ........................................443
CONSULT-II Reference Value in Data Monitor Mode
.443
On Board Diagnosis Logic ....................................443
DTC Confirmation Procedure ................................444
Wiring Diagram .....................................................445
Diagnostic Procedure ............................................446
Component Inspection ..........................................448
DTC P0453 EVAP CONTROL SYSTEM PRESSURE
SENSOR ..................................................................450
Component Description ........................................450
CONSULT-II Reference Value in Data Monitor Mode
.450
On Board Diagnosis Logic ....................................450