2005 INFINITI FX35 seat adjustment

ACS-1
AUTO CRUISE CONTROL SYSTEM
K ELECTRICAL
CONTENTS
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SECTION ACS
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ACS
Revision: 2005 July 2005 FX
AUTO CRUISE CONTROL SYSTEM
ASCD
AUTOMATIC SPEED CONTROL DEVICE (ASCD) ..... 3
Description .......................................................... ..... 3
ICC
PRECAUTIONS ..................................................... ..... 4
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 4
Precautions for ICC System Service ................... ..... 4
PREPARATION ...................................................... ..... 5
Special Service Tools .......................................... ..... 5
DESCRIPTION ....................................................... ..... 6
Outline ................................................................. ..... 6
VEHICLE-TO-VEHICLE DISTANCE CONTROL
MODE .............................................................. ..... 6
CONVENTIONAL (FIXED SPEED) CRUISE
CONTROL MODE ............................................ ..... 6
BRAKE ASSIST (WITH PREVIEW FUNCTION) ..... 6
System Diagram .................................................. ..... 6
Components Description ..................................... ..... 7
CAN Communication ........................................... ..... 7
CAN COMMUNICATION UNIT ........................ ..... 7
Switch Operation ................................................. ..... 8
ICC System Display ............................................ ..... 8
ACTION TEST ....................................................... ..... 9
ICC System Running Test ................................... ..... 9
VEHICLE-TO-VEHICLE DISTANCE CONTROL
MODE .............................................................. ..... 9
CONVENTIONAL (FIXED SPEED) CRUISE
CONTROL MODE ............................................ ... 10
LASER BEAM AIMING ADJUSTMENT ................ ... 12
Outline ................................................................. ... 12
Preparation .......................................................... ... 12
Outline of Adjustment Procedure ........................ ... 12
Setting the ICC Target Board .............................. ... 12
ADJUSTING HEIGHT OF THE TARGET ......... ... 12
ADJUSTING THE RIGHT-LEFT POSITION OF
THE TARGET ................................................... ... 13 SETTING THE TARGET ..................................
... 13
Aiming Adjustment ............................................... ... 14
CHECK AFTER THE ADJUSTMENT ............... ... 17
ELECTRICAL UNITS LOCATION ......................... ... 18
Component Parts and Harness Connector Location ... 18
WIRING DIAGRAM ................................................ ... 19
Schematic ............................................................ ... 19
Wiring Diagram — ICC — ................................... ... 20
TERMINALS AND REFERENCE VALUE .............. ... 27
Terminals and Reference Value for ICC Unit ....... ... 27
Terminals and Reference Value for ICC Sensor .. ... 28
TROUBLE DIAGNOSIS — GENERAL DESCRIP-
TION ....................................................................... ... 29
Work Flow ............................................................ ... 29
CONSULT-II Function .......................................... ... 30
DESCRIPTION ................................................. ... 30
CONSULT-II BASIC OPERATION .................... ... 30
WORK SUPPORT ............................................ ... 31
SELF-DIAGNOSTIC RESULTS ........................ ... 32
DATA MONITOR .............................................. ... 32
ACTIVE TEST .................................................. ... 34
Self-Diagnostic Function ...................................... ... 36
WITH CONSULT-II ........................................... ... 36
WITHOUT CONSULT-II .................................... ... 36
SELF-DIAGNOSIS BY ICC SYSTEM DISPLAY
WILL NOT RUN ................................................ ... 38
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC
ITEMS ..................................................................... ... 41
Diagnostic Trouble Code (DTC) Chart ................ ... 41
DTC 11 CONTROL UNIT .................................... ... 42
DTC 20 CAN COMM CIRCUIT ............................ ... 43
DTC 31 POWER SUPPLY CIR, DTC 34 POWER
SUPPLY CIR 2 .................................................... ... 43
DTC 41 VHCL SPEED SE CIRC ......................... ... 44
DTC 43 ABS/TCS/VDC CIRC ............................. ... 45
DTC 45 BRAKE SW/STOP L SW ........................ ... 45
DTC 46 OPERATION SW CIRC .......................... ... 47
DTC 61 PRESS SEN CIRCUIT ........................... ... 48
DTC 62 BOOSTER SOL/V CIRCUIT .................. ... 50
DTC 63 RELEASE SW CIRCUIT ........................ ... 51

BL-1
BODY, LOCK & SECURITY SYSTEM
I BODY
CONTENTS
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SECTION BL
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B
BL
Revision: 2005 July 2005 FX
BODY, LOCK & SECURITY SYSTEM
PRECAUTIONS .......................................................... 5
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 5
Precautions Necessary for Steering Wheel Rotation
After Battery Disconnect ..................................... ..... 5
OPERATION PROCEDURE ............................ ..... 5
Precautions for Work ........................................... ..... 5
PREPARATION ...................................................... ..... 6
Special Service Tools .......................................... ..... 6
Commercial Service Tools ................................... ..... 6
SQUEAK AND RATTLE TROUBLE DIAGNOSIS . ..... 7
Work Flow ........................................................... ..... 7
CUSTOMER INTERVIEW ................................ ..... 7
DUPLICATE THE NOISE AND TEST DRIVE .. ..... 8
CHECK RELATED SERVICE BULLETINS ...... ..... 8
LOCATE THE NOISE AND IDENTIFY THE
ROOT CAUSE ................................................. ..... 8
REPAIR THE CAUSE ...................................... ..... 8
CONFIRM THE REPAIR .................................. ..... 9
Generic Squeak and Rattle Troubleshooting ...... ..... 9
INSTRUMENT PANEL ..................................... ..... 9
CENTER CONSOLE ........................................ ..... 9
DOORS ............................................................ ..... 9
TRUNK ............................................................. ... 10
SUNROOF/HEADLINING ................................ ... 10
SEATS .............................................................. ... 10
UNDERHOOD .................................................. ... 10
Diagnostic Worksheet ......................................... .... 11
HOOD .................................................................... ... 13
Fitting Adjustment ............................................... ... 13
LONGITUDINAL AND LATERAL CLEARANCE
ADJUSTMENT ................................................. ... 13
FRONT END HEIGHT ADJUSTMENT ............ ... 13
SURFACE HEIGHT ADJUSTMENT ................ ... 13
Removal and Installation of Hood Assembly ....... ... 14
REMOVAL ........................................................ ... 15
INSTALLATION ................................................ ... 15
Removal and Installation of Hood Lock Control .. ... 15
REMOVAL ........................................................ ... 15 INSTALLATION ................................................
... 16
Hood Lock Control Inspection ............................. ... 16
RADIATOR CORE SUPPORT ............................... ... 18
Removal and Installation ..................................... ... 18
REMOVAL ........................................................ ... 18
INSTALLATION ................................................ ... 19
FRONT FENDER ................................................... ... 20
Removal and Installation ..................................... ... 20
REMOVAL ........................................................ ... 20
INSTALLATION ................................................ ... 20
POWER DOOR LOCK SYSTEM ........................... ... 21
Component Parts and Harness Connector Location ... 21
Component Parts and Harness Connector Location ... 22
System Description .............................................. ... 22
OUTLINE .......................................................... ... 23
CAN Communication System Description ........... ... 24
CAN Communication Unit .................................... ... 24
Schematic/With Intelligent Key ............................ ... 25
Wiring Diagram -D/LOCK-/With Intelligent Key ... ... 26
FIG. 1 ................................................................ ... 26
FIG. 2 ................................................................ ... 27
FIG. 3 ................................................................ ... 28
FIG. 4 ................................................................ ... 29
FIG. 5 ................................................................ ... 30
Schematic/Without Intelligent Key ....................... ... 31
Wiring Diagram -D/LOCK-/Without Intelligent Key ... 32
FIG. 6 ................................................................ ... 32
FIG. 7 ................................................................ ... 33
FIG. 8 ................................................................ ... 34
FIG. 9 ................................................................ ... 35
Terminals and Reference Value for BCM ............ ... 36
Terminals and Reference Value for Intelligent Key
Unit (With Intelligent Key System) ....................... ... 36
Work Flow ............................................................ ... 36
CONSULT-II Function (BCM) .............................. ... 37
CONSULT-II INSPECTION PROCEDURE ....... ... 37
CONSULT-II APPLICATION ITEMS ................. ... 38
Trouble Diagnosis Chart by Symptom ................. ... 40
Check BCM Power Supply and Ground Circuit ... ... 41
Check Door Switch .............................................. ... 42

PRECAUTIONS BL-5
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Revision: 2005 July 2005 FX
PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
AIS004L9
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WARNING:

To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer.

Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.

Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.
Precautions Necessary for Steering Wheel Rotation After Battery DisconnectAIS00583
NOTE:

This Procedure is applied only to models with Intelligent Key system and NVIS/IVIS (NISSAN/INFINITI
VEHICLE IMMOBILIZER SYSTEM - NATS).

Remove and install all control units after disconnecting both battery cables with the ignition knob in the
″ LOCK ″ position.

Always use CONSULT-II to perform self-diagnosis as a part of each function inspection after finishing
work. If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NVIS/IVIS, an electrically controlled steering lock
mechanism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery power is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the ″ACC ″ position. At this time, the
steering lock will be released.
3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be rotated.
4. Perform the necessary repair operation.
5. When the repair work is completed, return the ignition switch to the ″LOCK ″ position before connecting
the battery cables. (At this time, the steering lock mechanism will engage.)
6. Perform a self-diagnosis check of all control units using CONSULT-II.
Precautions for WorkAIS004LA

After removing and installing the opening/closing parts, be sure to carry out fitting adjustments to check
their operation.

Check the lubrication level, damage, and wear of each part. If necessary, grease or replace it.

BL-10
SQUEAK AND RATTLE TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
TRUNK
Trunk noises are often caused by a loose jack or loose items put into the trunk by the owner.
In addition look for:
1. Trunk lid dumpers out of adjustment
2. Trunk lid striker out of adjustment
3. The trunk lid torsion bars knocking together
4. A loose license plate or bracket
Most of these incidents can be repaired by adjusting, securing or insulating the item(s) or component(s) caus-
ing the noise.
SUNROOF/HEADLINING
Noises in the sunroof/headlining area can often be traced to one of the following:
1. Sunroof lid, rail, linkage or seals making a rattle or light knocking noise
2. Sunvisor shaft shaking in the holder
3. Front or rear windshield touching headlining and squeaking
Again, pressing on the components to stop the noise while duplicating the conditions can isolate most of these
incidents. Repairs usually consist of insulating with felt cloth tape.
SEATS
When isolating seat noise it's important to note the position the seat is in and the load placed on the seat when
the noise is present. These conditions should be duplicated when verifying and isolating the cause of the
noise.
Cause of seat noise include:
1. Headrest rods and holder
2. A squeak between the seat pad cushion and frame
3. The rear seatback lock and bracket
These noises can be isolated by moving or pressing on the suspected components while duplicating the con-
ditions under which the noise occurs. Most of these incidents can be repaired by repositioning the component
or applying urethane tape to the contact area.
UNDERHOOD
Some interior noise may be caused by components under the hood or on the engine wall. The noise is then
transmitted into the passenger room.
Causes of transmitted underhood noise include:
1. Any component mounted to the engine wall
2. Components that pass through the engine wall
3. Engine wall mounts and connectors
4. Loose radiator mounting pins
5. Hood bumpers out of adjustment
6. Hood striker out of adjustment
These noises can be difficult to isolate since they cannot be reached from the interior of the vehicle. The best
method is to secure, move or insulate one component at a time and test drive the vehicle. Also, engine RPM
or load can be changed to isolate the noise. Repairs can usually be made by moving, adjusting, securing, or
insulating the component causing the noise.

BR-1
BRAKE SYSTEM
F BRAKES
CONTENTS
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SECTION BR
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BR
Revision: 2005 July 2005 FX
BRAKE SYSTEM
PRECAUTIONS .......................................................... 3
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 3
Precautions for Procedures without Cowl Top Cover ..... 3
Precautions for Brake System ............................. ..... 3
PREPARATION ...................................................... ..... 4
Commercial Service Tools ................................... ..... 4
NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING ........................................... ..... 5
NVH Troubleshooting Chart ................................ ..... 5
BRAKE PEDAL ..................................................... ..... 6
Inspection and Adjustment .................................. ..... 6
PLAY AND CLEARANCE BETWEEN BRAKE
PEDAL AND FLOOR PANEL WITH PEDAL
DEPRESSED ................................................... ..... 6
ADJUSTMENT ................................................. ..... 7
Removal and Installation ..................................... ..... 7
COMPONENT PARTS LOCATION .................. ..... 7
REMOVAL ........................................................ ..... 8
INSPECTION AFTER REMOVAL .................... ..... 8
INSTALLATION ................................................ ..... 8
BRAKE FLUID ....................................................... ..... 9
On-Board Inspection ........................................... ..... 9
LEVEL CHECK ................................................ ..... 9
Drain and Refill .................................................... ..... 9
Bleeding Brake System ....................................... ... 10
BRAKE PIPING AND HOSE ................................. ....11
Hydraulic Circuit .................................................. .... 11
Removal and Installation of Front Brake Piping and
Brake Hose ......................................................... .... 11
REMOVAL ........................................................ .... 11
INSTALLATION ................................................ .... 11
Removal and Installation of Rear Brake Piping and
Brake Hose ......................................................... ... 12
REMOVAL ........................................................ ... 12
INSTALLATION ................................................ ... 12
Inspection After Installation ................................. ... 12
BRAKE MASTER CYLINDER ............................... ... 13
On-Board Inspection ........................................... ... 13 LEAK INSPECTION .........................................
... 13
Removal and Installation ..................................... ... 13
REMOVAL ........................................................ ... 13
INSTALLATION ................................................ ... 13
Components ........................................................ ... 13
Disassembly and Assembly ................................. ... 14
DISASSEMBLY ................................................ ... 14
ASSEMBLY ...................................................... ... 14
BRAKE BOOSTER ................................................ ... 15
On-Vehicle Service .............................................. ... 15
OPERATING CHECK ....................................... ... 15
AIRTIGHT CHECK ........................................... ... 15
Removal and Installation ..................................... ... 16
REMOVAL ........................................................ ... 16
INSPECTION AFTER REMOVAL .................... ... 16
INSTALLATION ................................................ ... 17
VACUUM LINES .................................................... ... 18
Removal and Installation ..................................... ... 18
Inspection ............................................................ ... 18
VISUAL INSPECTION ...................................... ... 18
CHECK VALVE INSPECTION .......................... ... 19
FRONT DISC BRAKE ............................................ ... 20
On-Vehicle Inspection .......................................... ... 20
PAD WEAR INSPECTION ................................ ... 20
Components ........................................................ ... 20
Removal and Installation of Brake Pad ............... ... 21
REMOVAL ........................................................ ... 21
INSTALLATION ................................................ ... 21
Removal and Installation of Brake Caliper Assembly ... 21
REMOVAL ........................................................ ... 21
INSTALLATION ................................................ ... 21
Disassembly and Assembly of Brake Caliper
Assembly ............................................................. ... 22
DISASSEMBLY ................................................ ... 22
CALIPER INSPECTION ................................... ... 23
ASSEMBLY ...................................................... ... 23
DISC ROTOR INSPECTION ............................ ... 24
BRAKE BURNISHING PROCEDURE .............. ... 25
REAR DISC BRAKE .............................................. ... 26

BRC-1
BRAKE CONTROL SYSTEM
F BRAKES
CONTENTS
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SECTION BRC
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BRC
Revision: 2005 July 2005 FX
BRAKE CONTROL SYSTEM
VDC/TCS/ABS
PRECAUTIONS .......................................................... 3
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 3
Precautions for Brake System ............................. ..... 3
Precautions for Brake Control ............................. ..... 3
PREPARATION ...................................................... ..... 5
Special Service Tools .......................................... ..... 5
Commercial Service Tools ................................... ..... 5
ON-VEHICLE SERVICE ........................................ ..... 6
Adjustment of Steering Angle Sensor Neutral Posi-
tion ...................................................................... ..... 6
Calibration of Decel G Sensor (AWD Model) ...... ..... 6
SYSTEM DESCRIPTION ....................................... ..... 8
System Diagram .................................................. ..... 8
VDC Function ...................................................... ..... 8
TCS Function ...................................................... ..... 8
ABS Function ...................................................... ..... 8
EBD Function ...................................................... ..... 9
Fail-Safe Function ............................................... ..... 9
VDC / TCS SYSTEM ........................................ ..... 9
ABS, EBD SYSTEM ......................................... ..... 9
Hydraulic Circuit Diagram ................................... ... 10
CAN COMMUNICATION ....................................... ....11
System Description ............................................. .... 11
TROUBLE DIAGNOSIS ......................................... ... 12
How to Proceed with Diagnosis .......................... ... 12
BASIC CONCEPT ............................................ ... 12
DIAGNOSIS FLOWCHART ............................. ... 13
ASKING COMPLAINTS ................................... ... 14
EXAMPLE OF DIAGNOSIS SHEET ................ ... 14
Component Installation Location ......................... ... 15
Schematic ........................................................... ... 16
Wiring Diagram — VDC — .................................. ... 17
Control Unit Input/Output Signal Standard .......... ... 23
REFERENCE VALUE FROM CONSULT-II ...... ... 23
CONSULT-II Functions ........................................ ... 25
CONSULT-II MAIN FUNCTION ........................ ... 25
CONSULT-II BASIC OPERATION PROCEDURE ... 26
SELF-DIAGNOSIS ........................................... ... 27
DATA MONITOR .............................................. ... 30
ACTIVE TEST .................................................. ... 33
For Fast and Accurate Diagnosis ........................ ... 35
PRECAUTIONS FOR DIAGNOSIS .................. ... 35
Basic Inspection .................................................. ... 36
BASIC INSPECTION 1: BRAKE FLUID
AMOUNT, LEAKS, AND BRAKE PADS INSPEC-
TION ................................................................. ... 36
BASIC INSPECTION 2: POWER SYSTEM TER-
MINAL LOOSENESS AND BATTERY INSPEC-
TION ................................................................. ... 36
BASIC INSPECTION 3: ABS WARNING LAMP,
VDC OFF INDICATOR LAMP, SLIP INDICATOR
LAMP AND BRAKE WARNING LAMP INSPEC-
TION ................................................................. ... 37
Inspection 1: Wheel Sensor Circuit ..................... ... 37
Inspection 2: Engine System ............................... ... 39
Inspection 3: VDC/TCS/ABS Control Unit Circuit ... 40
Inspection 4: Pressure Sensor Circuit ................. ... 40
Inspection 5: Steering Angle Sensor Circuit ........ ... 42
Inspection 6: Yaw Rate/Side G Sensor (2WD
Model), Yaw Rate/Side/Decel G sensor (AWD Mod-
els) Circuit ............................................................ ... 44
Inspection 7: Solenoid and VDC Change-Over
Valve Circuit ......................................................... ... 46
Inspection 8: Actuator Motor Circuit .................... ... 47
Inspection 9: ABS Actuator and Electric Unit (Con-
trol Unit) Power Supply and Ground Circuit ......... ... 48
Inspection 10: Stop Lamp Switch Circuit ............. ... 50
Inspection 11: Brake Fluid Level Switch Circuit ... ... 51
Inspection 12: When “ST ANG SEN SIGNAL”
Appears on Self-diagnosis Results Display ......... ... 52
Inspection 13: When “DECEL G SEN SET” Appears
on Self-diagnostic Results Display (AWD Model) ... 52
Inspection 14: CAN Communication Circuit ........ ... 53
Component Inspection ......................................... ... 53
VDC OFF SWITCH .......................................... ... 53
Symptom 1: Excessive ABS Function Operation

DI-2Revision: 2005 July 2005 FX
Oil Pressure Warning Lamp Does Not Turn Off (Oil
Pressure Is Normal) ............................................. ... 52
Component Inspection ......................................... ... 53
OIL PRESSURE SWITCH ................................ ... 53
A/T INDICATOR ..................................................... ... 54
Wiring Diagram — AT/IND — .............................. ... 54
A/T Indicator Is Malfunction ................................. ... 56
WARNING CHIME .................................................. ... 58
System Description .............................................. ... 58
FUNCTION ....................................................... ... 58
IGNITION KEY WARNING CHIME (WITHOUT
INTELLIGENT KEY) ......................................... ... 58
IGNITION KEY WARNING CHIME (WITH INTEL-
LIGENT KEY) ................................................... ... 59
LIGHT WARNING CHIME ................................ ... 59
SEAT BELT WARNING CHIME ........................ ... 59
CAN Communication System Description ........... ... 60
CAN Communication Unit .................................... ... 60
Component Parts and Harness Connector Location ... 61
Schematic ............................................................ ... 62
Wiring Diagram — CHIME — .............................. ... 63
Terminals and Reference Value for BCM ............. ... 66
Terminals and Reference Value for Unified Meter
and A/C Amp. ...................................................... ... 67
Terminals and Reference Value for Combination
Meter ................................................................... ... 67
Trouble Diagnosis ................................................ ... 68
HOW TO PERFORM TROUBLE DIAGNOSIS . ... 68
PRELIMINARY CHECK .................................... ... 68
CONSULT-II Function (BCM) ............................... ... 69
DIAGNOSTIC ITEMS DESCRIPTION .............. ... 69
CONSULT-II BASIC OPERATION PROCEDURE
... 69
DATA MONITOR ............................................... ... 70
ACTIVE TEST .................................................. ... 70
SELF-DIAGNOSTIC RESULTS ........................ ... 71
All Warnings Are Not Operated ........................... ... 71
Key Warning Chime and Light Warning Chime Does
Not Operate (Seat Belt Warning Chime Does Oper-
ate) ...................................................................... ... 72
Key Warning Chime Does Not Operate (Without
Intelligent Key) ..................................................... ... 73
Key Warning Chime Does Not Operate (With Intel-
ligent Key, When Mechanical Key Is Used) ......... ... 75
Key Warning Chime Does Not Operate (With Intel-
ligent Key, When Intelligent Key Is Carried With The
Driver) .................................................................. ... 77
Light Warning Chime Does Not Operate ............. ... 79
Seat Belt Warning Chime Does Not Operate ...... ... 80
LANE DEPARTURE WARNING SYSTEM ............. ... 82
Precautions for Lane Departure Warning (LDW)
system ................................................................. ... 82
System Description .............................................. ... 82
LDW SYSTEM OPERATION ............................ ... 82
POWER SUPPLY AND GROUND CIRCUIT .... ... 84
CAN Communication ........................................... ... 84
SYSTEM DESCRIPTION ................................. ... 84
CAN COMMUNICATION UNIT ......................... ... 85
Action Test ........................................................... ... 85 LDW SYSTEM RUNNING TEST ......................
... 85
Camera Aiming Adjustment ................................. ... 86
OUTLINE .......................................................... ... 86
PREPARATION ................................................. ... 86
TARGET SETTING ........................................... ... 86
VEHICLE HEIGHT CHECK .............................. ... 89
AIMING ADJUSTMENT .................................... ... 89
Component Parts and Harness Connector Location ... 93
Schematic ............................................................ ... 94
Wiring Diagram — LDW — .................................. ... 95
Terminals and Reference Value for LDW Camera
Unit ....................................................................... ... 98
CONSULT-II Function (LDW) ............................... ... 98
DESCRIPTION ................................................. ... 98
CONSULT-II BASIC OPERATION .................... ... 98
WORK SUPPORT ............................................ ... 99
SELF-DIAG RESULTS ...................................... ... 99
DATA MONITOR ............................................... .100
ACTIVE TEST ................................................... .101
Trouble Diagnosis ................................................ .102
HOW TO PERFORM TROUBLE DIAGNOSIS . .102
SYMPTOM CHART ........................................... .102
Preliminary Inspection .......................................... .103
Power Supply and Ground Circuit Inspection ...... .104
DTC [C1B00] CAMERA UNIT MALF ................... .104
DTC [C1B01] CAM AIMING INCMP .................... .104
DTC [C1B02] VHCL SPD DATA MALF ................ .105
DTC [C1B03] ABNRML TEMP DETECT ............. .105
DTC [U1000] CAN COMM CIRCUIT ................... .105
DTC [U1010] CONTROL UNIT (CAN) ................. .105
LDW Chime Circuit Inspection ............................. .106
LDW Switch Circuit Inspection ............................. .107
LDW Indicator Lamp Circuit Inspection ................ .109
Turn Signal Input Inspection ................................ .110
Removal and Installation for LDW Camera Unit .. . 111
REMOVAL ......................................................... . 111
INSTALLATION ................................................. . 111
Removal and Installation for LDW Chime ............ . 111
REMOVAL ......................................................... . 111
INSTALLATION ................................................. . 111
Removal and Installation for LDW Switch ............ . 111
CLOCK ................................................................... .112
Wiring Diagram — CLOCK — .............................. .112
Removal and Installation of Clock ........................ .113
REMOVAL ......................................................... .113
INSTALLATION ................................................. .113
REAR VIEW MONITOR .......................................... .114
System Description .............................................. .114
POWER SUPPLY AND GROUND .................... .114
AV COMMUNICATION LINE ............................ .114
REAR VIEW CAMERA OPERATION ............... .114
Component Parts and Harness Connector Location .115
Schematic ............................................................ .116
Wiring Diagram — R/VIEW — ............................. .117
Terminals and Reference Value for Rear View Cam-
era Control Unit .................................................... .120
CONSULT-II Function (REARVIEW CAMERA) ... .121
CONSULT-II BASIC OPERATION .................... .121
WORK SUPPORT ............................................ .122

EC-1
ENGINE CONTROL SYSTEM
B ENGINE
CONTENTS
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SECTION EC
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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