diagram INFINITI M35 2007 Factory Repair Manual

DI-42
WARNING LAMPS
Revision: 2007 April2007 M35/M45
Wiring Diagram — WARN —NKS003UR
TKWT3427E

DI-56
A/T INDICATOR
Revision: 2007 April2007 M35/M45
Wiring Diagram — AT/IND —NKS003UW
TKWT3438E

WARNING CHIME
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Revision: 2007 April2007 M35/M45
Wiring Diagram — CHIME —NKS003V1
TKWT5285E

LANE DEPARTURE WARNING SYSTEM
DI-77
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DI
Revision: 2007 April2007 M35/M45
System Diagram
Components Description
NOTE:
*: This indicates in a few seconds for the system check during ignition switch ON.
POWER SUPPLY AND GROUND CIRCUIT
With the ignition switch in the ON or START position, power is supplied

through 10A fuse [No. 12, located in the fuse block (J/B)]

to LDW camera unit terminal 1.
Ground is supplied

to LDW camera unit terminals 6 and 12

through grounds M16 and M70.
Action TestNKS003VH
LDW SYSTEM RUNNING TEST
WARNING:

Be careful when performing road test.

Understand “Precautions” and “System Description” well before the road test. Refer to DI-75,
"Precautions for Lane Departure Warning (LDW) system" and DI-75, "System Description" .
Function Check
Check the LDW system operation according to the condition that the warning function works. Refer to DI-75,
"LDW SYSTEM OPERATION" .
PKIC0698E
Component Description
LDW camera unitDetects the lane marker by the built-in camera, gives judgement for the warning according to the
result of detection and signals from each unit, and transmits the operation signal to LDW chime and
LDW indicator lamp.
LDW switch

Selects ON/OFF of the system.

Indicates ON/OFF of the signal with LDW system ON indicator.
LDW chime Gives a warning chime according to the direction from LDW camera unit.
LDW indicator lampInstalled in combination meter, and indicates the system condition.

Blinks when LDW system is functioning to alert the driver.

Stays on when LDW system is malfunctioning.*
BCM Transmits turn indicator signal to LDW camera unit with CAN communication signal.
ABS actuator and electric unit
(control unit)Transmits vehicle speed signal to LDW camera unit with CAN communication signal.
TCM Transmits vehicle speed signal to LDW camera unit with CAN communication signal. (For detecting
incorrect speed.)

DI-86
LANE DEPARTURE WARNING SYSTEM
Revision: 2007 April2007 M35/M45
Wiring Diagram — LDW —NKS003VK
TKWT5287E

COMPASS
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Revision: 2007 April2007 M35/M45
Wiring Diagram – COMPAS –NKS003W6
TKWT5086E

CLOCK
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Revision: 2007 April2007 M35/M45
CLOCKPFP:25820
Wiring Diagram — CLOCK —NKS003W8
TKWT5289E

EC-1
ENGINE CONTROL SYSTEM
B ENGINE
CONTENTS
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SECTION EC
A
EC
Revision: 2007 April2007 M35/M45
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) ........................... 70
OBD System Operation Chart ................................ 73
BASIC SERVICE PROCEDURE ............................... 78
Basic Inspection ..................................................... 78
Idle Speed and Ignition Timing Check .................... 83
Procedure After Replacing ECM ............................ 85
VIN Registration ..................................................... 85
Accelerator Pedal Released Position Learning ...... 86
Throttle Valve Closed Position Learning ................. 86
Idle Air Volume Learning ........................................ 86
Fuel Pressure Check .............................................. 88
TROUBLE DIAGNOSIS ............................................ 90
Trouble Diagnosis Introduction ............................... 90
DTC Inspection Priority Chart ................................. 96
Fail-Safe Chart ....................................................... 98
Symptom Matrix Chart ............................................ 99
Engine Control Component Parts Location ..........103
Vacuum Hose Drawing ..........................................111
Circuit Diagram .....................................................112
ECM Harness Connector Terminal Layout ...........114
ECM Terminals and Reference Value ...................114
CONSULT-II Function (ENGINE) ..........................123
Generic Scan Tool (GST) Function .......................135
CONSULT-II Reference Value in Data Monitor .....138
Major Sensor Reference Graph in Data Monitor
Mode .....................................................................141
TROUBLE DIAGNOSIS - SPECIFICATION VALUE .143
Description ............................................................143
Testing Condition ..................................................143

EC-2Revision: 2007 April2007 M35/M45 Inspection Procedure ............................................143
Diagnostic Procedure ...........................................144
TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-
DENT .......................................................................153
Description ............................................................153
Diagnostic Procedure ...........................................153
POWER SUPPLY AND GROUND CIRCUIT ...........154
Wiring Diagram .....................................................154
Diagnostic Procedure ...........................................155
Ground Inspection ................................................160
DTC U1000, U1001 CAN COMMUNICATION LINE .161
Description ............................................................161
On Board Diagnosis Logic ....................................161
DTC Confirmation Procedure ...............................161
Wiring Diagram .....................................................162
Diagnostic Procedure ...........................................163
DTC U1010 CAN COMMUNICATION .....................164
Description ............................................................164
On Board Diagnosis Logic ....................................164
DTC Confirmation Procedure ...............................164
Diagnostic Procedure ...........................................165
DTC P0011, P0021 IVT CONTROL ........................166
Description ............................................................166
CONSULT-II Reference Value in Data Monitor Mode
.166
On Board Diagnosis Logic ....................................167
DTC Confirmation Procedure ...............................167
Diagnostic Procedure ...........................................168
Component Inspection ..........................................169
Removal and Installation ......................................169
DTC P0031, P0032, P0051, P0052 A/F SENSOR 1
HEATER ..................................................................170
Description ............................................................170
CONSULT-II Reference Value in Data Monitor Mode
.170
On Board Diagnosis Logic ....................................170
DTC Confirmation Procedure ...............................170
Wiring Diagram .....................................................171
Diagnostic Procedure ...........................................174
Component Inspection ..........................................176
Removal and Installation ......................................176
DTC P0037, P0038, P0057, P0058 HO2S2 HEATER .177
Description ............................................................177
CONSULT-II Reference Value in Data Monitor Mode
.177
On Board Diagnosis Logic ....................................177
DTC Confirmation Procedure ...............................178
Wiring Diagram .....................................................179
Diagnostic Procedure ...........................................182
Component Inspection ..........................................184
Removal and Installation ......................................184
DTC P0075, P0081 IVT CONTROL SOLENOID
VALVE .....................................................................185
Component Description ........................................185
CONSULT-II Reference Value in Data Monitor Mode
.185
On Board Diagnosis Logic ....................................185
DTC Confirmation Procedure ...............................185
Wiring Diagram .....................................................186Diagnostic Procedure ............................................190
Component Inspection ..........................................192
Removal and Installation .......................................192
DTC P0101 MAF SENSOR .....................................193
Component Description ........................................193
CONSULT-II Reference Value in Data Monitor Mode
.193
On Board Diagnosis Logic ....................................193
DTC Confirmation Procedure ................................194
Overall Function Check .........................................195
Wiring Diagram .....................................................196
Diagnostic Procedure ............................................197
Component Inspection ..........................................200
Removal and Installation .......................................201
DTC P0102, P0103 MAF SENSOR .........................202
Component Description ........................................202
CONSULT-II Reference Value in Data Monitor Mode
.202
On Board Diagnosis Logic ....................................202
DTC Confirmation Procedure ................................203
Wiring Diagram .....................................................204
Diagnostic Procedure ............................................205
Component Inspection ..........................................207
Removal and Installation .......................................208
DTC P0112, P0113 IAT SENSOR ............................209
Component Description ........................................209
On Board Diagnosis Logic ....................................209
DTC Confirmation Procedure ................................209
Wiring Diagram .....................................................211
Diagnostic Procedure ............................................212
Component Inspection ..........................................213
Removal and Installation .......................................213
DTC P0117, P0118 ECT SENSOR ..........................214
Component Description ........................................214
On Board Diagnosis Logic ....................................214
DTC Confirmation Procedure ................................215
Wiring Diagram .....................................................216
Diagnostic Procedure ............................................217
Component Inspection ..........................................218
Removal and Installation .......................................218
DTC P0122, P0123 TP SENSOR ............................219
Component Description ........................................219
CONSULT-II Reference Value in Data Monitor Mode
.219
On Board Diagnosis Logic ....................................219
DTC Confirmation Procedure ................................220
Wiring Diagram .....................................................221
Diagnostic Procedure ............................................222
Component Inspection ..........................................225
Removal and Installation .......................................225
DTC P0125 ECT SENSOR ......................................226
Component Description ........................................226
On Board Diagnosis Logic ....................................226
DTC Confirmation Procedure ................................227
Diagnostic Procedure ............................................227
Component Inspection ..........................................228
Removal and Installation .......................................228
DTC P0127 IAT SENSOR ........................................229
Component Description ........................................229

EC-3
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Revision: 2007 April2007 M35/M45 On Board Diagnosis Logic ................................... 229
DTC Confirmation Procedure ............................... 229
Diagnostic Procedure ........................................... 230
Component Inspection ......................................... 231
Removal and Installation ...................................... 231
DTC P0128 THERMOSTAT FUNCTION ................ 232
On Board Diagnosis Logic ................................... 232
DTC Confirmation Procedure ............................... 232
Diagnostic Procedure ........................................... 232
Component Inspection ......................................... 233
Removal and Installation ...................................... 233
DTC P0130, P0150 A/F SENSOR 1 ....................... 234
Component Description ........................................ 234
CONSULT-II Reference Value in Data Monitor Mode
. 234
On Board Diagnosis Logic ................................... 234
DTC Confirmation Procedure ............................... 234
Overall Function Check ........................................ 236
Wiring Diagram .................................................... 237
Diagnostic Procedure ........................................... 240
Removal and Installation ...................................... 243
DTC P0131, P0151 A/F SENSOR 1 ....................... 244
Component Description ........................................ 244
CONSULT-II Reference Value in Data Monitor Mode
. 244
On Board Diagnosis Logic ................................... 244
DTC Confirmation Procedure ............................... 244
Wiring Diagram .................................................... 246
Diagnostic Procedure ........................................... 249
Removal and Installation ...................................... 252
DTC P0132, P0152 A/F SENSOR 1 ....................... 253
Component Description ........................................ 253
CONSULT-II Reference Value in Data Monitor Mode
. 253
On Board Diagnosis Logic ................................... 253
DTC Confirmation Procedure ............................... 253
Wiring Diagram .................................................... 255
Diagnostic Procedure ........................................... 258
Removal and Installation ...................................... 261
DTC P0133, P0153 A/F SENSOR 1 ....................... 262
Component Description ........................................ 262
CONSULT-II Reference Value in Data Monitor Mode
. 262
On Board Diagnosis Logic ................................... 262
DTC Confirmation Procedure ............................... 263
Wiring Diagram .................................................... 265
Diagnostic Procedure ........................................... 268
Removal and Installation ...................................... 273
DTC P0137, P0157 HO2S2 .................................... 274
Component Description ........................................ 274
CONSULT-II Reference Value in Data Monitor Mode
. 274
On Board Diagnosis Logic ................................... 274
DTC Confirmation Procedure ............................... 275
Overall Function Check ........................................ 275
Wiring Diagram .................................................... 277
Diagnostic Procedure ........................................... 280
Component Inspection ......................................... 282
Removal and Installation ...................................... 284DTC P0138, P0158 HO2S2 .....................................285
Component Description ........................................285
CONSULT-II Reference Value in Data Monitor Mode
.285
On Board Diagnosis Logic ....................................285
DTC Confirmation Procedure ...............................286
Overall Function Check ........................................287
Wiring Diagram .....................................................288
Diagnostic Procedure ...........................................291
Component Inspection ..........................................295
Removal and Installation ......................................297
DTC P0139, P0159 HO2S2 .....................................298
Component Description ........................................298
CONSULT-II Reference Value in Data Monitor Mode
.298
On Board Diagnosis Logic ....................................298
DTC Confirmation Procedure ...............................299
Overall Function Check ........................................299
Wiring Diagram .....................................................301
Diagnostic Procedure ...........................................304
Component Inspection ..........................................306
Removal and Installation ......................................308
DTC P0171, P0174 FUEL INJECTION SYSTEM
FUNCTION ..............................................................309
On Board Diagnosis Logic ....................................309
DTC Confirmation Procedure ...............................309
Wiring Diagram .....................................................311
Diagnostic Procedure ...........................................315
DTC P0172, P0175 FUEL INJECTION SYSTEM
FUNCTION ..............................................................320
On Board Diagnosis Logic ....................................320
DTC Confirmation Procedure ...............................320
Wiring Diagram .....................................................322
Diagnostic Procedure ...........................................326
DTC P0181 FTT SENSOR ......................................331
Component Description ........................................331
On Board Diagnosis Logic ....................................331
DTC Confirmation Procedure ...............................331
Wiring Diagram .....................................................333
Diagnostic Procedure ...........................................334
Component Inspection ..........................................336
Removal and Installation ......................................336
DTC P0182, P0183 FTT SENSOR ..........................337
Component Description ........................................337
On Board Diagnosis Logic ....................................337
DTC Confirmation Procedure ...............................337
Wiring Diagram .....................................................338
Diagnostic Procedure ...........................................339
Component Inspection ..........................................341
Removal and Installation ......................................341
DTC P0222, P0223 TP SENSOR ............................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