2008 INFINITI FX35 Service Manual

ECU bolt pattern change wheel warning sat nav child lock

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INFINITI FX35 2008 Service Manual
ACS-2
DTC 104 LASER AIMING INCMP ..........................54
DTC 107 LASER COMM FAIL ...............................54
DTC 109 LASER HIGH TEMP ...............................54
TROUBLE DIAGNOSIS

ACS-2
DTC 104 LASER AIMING INCMP ..........................54
DTC 107 LASER COMM FAIL ...............................54
DTC 109 LASER HIGH TEMP ...............................54
TROUBLE DIAGNOSIS FOR SYMPTOMS .......55
Symptom Chart .................................................... ...55
Symptom 1 MAIN Switch Does Not Turn ON*1,
MAIN Switch Does Not Turn OFF*2 ..................... ...55
Symptom 2 ICC System Cannot Be Set (MAIN
Switch Turns ON/OFF) ........................................ ...
56
Symptom 3 ICC System Cannot Be Operated by
CANCEL Switch, RESUME/ACCELERATE
Switch or DISTANCE Switch ..................................
56
Symptom 4 ICC System Is Not Cancelled When
the A/T Selector Lever Is in Other Than "D" and
"M" Position ............................................................
57
Symptom 5 Chime Does Not Sound .......................57
Symptom 6 Driving Force Is Hunting ......................58
Symptom 7 ICC System Frequently Cannot De-
tect the Vehicle Ahead/ Detection Zone Is Short . ...
58
Symptom 8 the System Does Not Detect the Vehi-
cle Ahead at All .......................................................
59
SELF-DIAGNOSIS BY ICC SYSTEM DISPLAY
WILL NOT RUN ......................................................
59
ELECTRICAL COMPONENT INSPECTION .....63
ICC Steering Switch ............................................. ...63
Booster Solenoid .....................................................63
Release Switch .......................................................63
ICC Brake Switch and Stop Lamp Switch ...............64
ICC Brake Hold Relay .............................................64
REMOVAL AND INSTALLATION .....................65
ICC Unit ............................................................... ...65
ICC Sensor .............................................................65
ICC Steering Switch ................................................66
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INFINITI FX35 2008 Service Manual
AUTOMATIC SPEED CONTROL DEVICE (ASCD)ACS-3
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SERVICE INFORMATION
AUTOMATIC SPEED CONTROL DEVICE (ASCD)
DescriptionINFOID:000000000132880

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INFINITI FX35 2008 Service Manual
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DTC INDEX
SERVICE INFORMATION
DTC INDEX
DTC 11 - 65INFOID:0000000001544468
DTC 74 - 109INFOID:0000000001544469
DTC Items (CONSULT screen terms) Reference
11 CONTROL

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INFINITI FX35 2008 Service Manual
PRECAUTIONSACS-5
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PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:000000

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PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000001612901
The Supplemental Restraint System such as “A IR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severi ty 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 “SUPPLEMENTAL RESTRAINT SYS-
TEM” and “SEAT BELTS” of this Service Manual.
WARNING:
To avoid rendering the SRS inoper ative, 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 performed by
an authorized NISSAN/INFINITI dealer.
Improper maintenance, including in correct removal and installation of the SRS, can lead to personal
injury caused by unintentional act ivation of the system. For removal of Spiral Cable and Air Bag
Module, see the “SUPPLEMEN TAL RESTRAINT SYSTEM”.
Do not use electrical test equipm ent on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identi fied by yellow and/or orange harnesses or har-
ness connectors.
Precaution for ICC System ServiceINFOID:0000000001328803
Never look straight into the laser beam discharger when adjusting laser beam aiming.
Turn the MAIN switch OFF in conditions similar to dr iving, such as free rollers or a chassis dynamometer.
Do not use the ICC sensor removing from v ehicle, disassemble, or remodel the sensor.
Erase DTC when replacing parts of ICC system, then c heck the operation of ICC system after adjusting laser
beam aiming if necessary.
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INFINITI FX35 2008 Service Manual
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PREPARATION
PREPARATION
Special Service ToolINFOID:0000000001328804
The actual shapes of Kent-Moore tools may differ fr
om those of special service tools illustrate

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INFINITI FX35 2008 Service Manual
DESCRIPTIONACS-7
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OutlineINFOID:0000000001328805
The Intelligent Cruise Control (ICC) system automatically maintains a sele

DESCRIPTIONACS-7
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OutlineINFOID:0000000001328805
The Intelligent Cruise Control (ICC) system automatically maintains a selected distance from the vehicle
ahead according to that vehicle's speed, or at the set speed, if the road ahead is clear.
The ICC function has two cruise control modes and brake assist (with preview function).
VEHICLE-TO-VEHICLE DISTANCE CONTROL MODE
With vehicle-to-vehicle distance control mode, the driver can maintain the same speed as other vehicles with-
out the constant need to adjust the set speed as the driver would with a normal cruise control system.
The system is intended to enhance the operation of the vehicle when following the vehicle traveling in the
same lane and direction.
If the distance sensor detects a sl ower moving vehicle ahead, the system wil l reduce speed so that the vehicle
ahead can be followed at the selected distance.
The system automatically controls the throttle and applie s the brakes (up to 25% of vehicle braking power) if
necessary.
The detection range of the sensor is approximately 120 m (390 ft) ahead.
Refer to Owner's Manual for Intelligent Cruise Control System operating instructions.
CONVENTIONAL (FIXED SPEED) CRUISE CONTROL MODE
Conventional (fixed speed) cruise contro l mode is cruising at preset speeds.
Refer to Owner's Manual for Intelligent Cruise Control System operating instructions.
BRAKE ASSIST (WITH PREVIEW FUNCTION)
When the force applied to brake pedal exceeds a certain level, the Brake Assist is activated and generates a
greater braking force than that of a convent ional brake booster even with light pedal force.
When the Preview Function identifies the need to apply the sudden brake by sensing the vehicle ahead in the
same lane and the distance and relative speed from it, it applies the brake pre-pressure before driver depress
the brake pedal and improves brake re sponse by reducing its free play.
Refer to Owner's Manual for BRAKE ASSIST (W ITH PREVIEW FUNCTION) operating instructions.
Functional DiagramINFOID:0000000001328806
Items of input/output signal to be checked with CONSULT-III
PKIC8700E
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INFINITI FX35 2008 Service Manual
ACS-8
< SERVICE INFORMATION >[ICC]
DESCRIPTION
DATA MONITOR INPUT ITEM LIST
DATA MONITOR OUTPUT ITEM LIST
InputData monitored
Item [unit] CAN Description
ECM THRTL OPENING
[%]
×Indicates throttle a

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DESCRIPTION
DATA MONITOR INPUT ITEM LIST
DATA MONITOR OUTPUT ITEM LIST
InputData monitored
Item [unit] CAN Description
ECM THRTL OPENING
[%]
×Indicates throttle angle read by ICC unit through CAN communication (ECM transmits
throttle angle through CAN communication).
ENGINE RPM
[rpm] ×
Indicates engine speed read by ICC unit through CAN communication (ECM transmits
engine speed through CAN communication).
MAIN SW
[On/Off] ×Indicates [On/Off] status as judged from steering switch signal (ECM transmits steering
switch signal through CAN communication).
SET/COAST SW
[On/Off] ×Indicates [On/Off] status as judged from steering switch signal (ECM transmits steering
switch signal through CAN communication).
CANCEL SW
[On/Off] ×
Indicates [On/Off] status as judged from steering switch signal (ECM transmits steering
switch signal through CAN communication).
RESUME/ACC SW
[On/Off] ×Indicates [On/Off] status as judged from steering switch signal (ECM transmits steering
switch signal through CAN communication).
IDLE SW
[On/Off] ×Indicates [On/Off] status of idle switch read by ICC unit through CAN communication
(ECM transmits ON/OFF status through CAN communication).
TCM VHCL SPD AT
[km/h] or [mph]
×Indicates vehicle speed calculated from AT vehicle speed sensor by ICC unit through
CAN communication (TCM transmits AT vehicle speed sensor signal through CAN com-
munication).
GEAR
[1, 2, 3, 4, 5] ×Indicates AT gear position read by ICC unit through CAN communication (TCM transmits
gear position through CAN communication).
D RANGE SW
[On/Off] ×
Indicates [On/Off] status of “D” position read by ICC unit through CAN communication
(TCM transmits ON/OFF condition of “D” position through CAN communication).
NP RANGE SW
[On/Off] ×Indicates PNP switch signal read by ICC unit through CAN communication (TCM trans-
mits PNP switch signal through CAN communication).
ABS actuator
and electric
unit (control
unit) VHCL SPEED SE
[km/h] or [mph]
×Indicates vehicle speed calculated from wheel sensor by ICC unit through CAN commu-
nication (ABS actuator and electr
ic unit (control unit) transmits wheel speed sensor signal
through CAN communication).
BCM WIPER SW
[Off/Low/High]
×Indicates wiper [Off/Low/High] status (BCM transmits front wiper request signal through
CAN commun
ication).
Brake pres-
sure sensor PRESS SENS
[bar]
Indicates brake fluid pressure value calculated from signal voltage of pressure sensor.
Release
switch RELEASE SW NO
[On/Off]
Indicates [On/Off] status as judged from release switch signal.
ON when brake is depressed.
OFF when brake is not depressed.
RELEASE SW NC
[On/Off] Indicates [On/Off] status as judged from release switch signal.
ON when brake is not depressed.
OFF when brake is depressed.
ICC brake
switch BRAKE SW
[On/Off]
Indicates [On/Off] status as judged from ICC brake switch signal.
Sto p l am p
switchSTOP LAMP SW
[On/Off]
Indicates [On/Off] status as judged from stop lamp switch signal.
Output Data monitored
Item [unit] CAN Description
ICC warning
chime BUZZER O/P
[On/Off]
×
Indicates [On/Off] status of ICC warning chime output.
ICC brake hold
relay STP LMP DRIVE
[On/Off]
Indicates [On/Off] status of brake hold relay drive output.
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INFINITI FX35 2008 Service Manual
DESCRIPTIONACS-9
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ACTIVE TEST ITEM LIST
Component DescriptionINFOID:0000000001328807
CAN CommunicationINFOID:0000000001328808
CAN (Contr

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Component DescriptionINFOID:0000000001328807
CAN CommunicationINFOID:0000000001328808
CAN (Controller Area Network) is a serial communication li ne for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tric control units are equipped onto a vehicle, and eac h control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
CAN COMMUNICATION UNIT
Refer to LAN-43, "CAN System Specification Chart".
Output CONSULT-III ICC
[ACTIVE TEST]
Item CAN Description
Combination
meter ICC BUZZER 1
×Able to start ICC warning chime with a driving signal from ICC unit.
METER LAMP ×Able to turn ICC system display ON with a driving signal from ICC unit.
ICC brake hold
relay STOP LAMP Able to start ICC brake hold relay with a driving signal from ICC unit.
Booster sole-
noid BOOSTER SOL/V
3
Able to start booster solenoid with a driving signal from ICC unit.
ComponentVehicle-to-
vehicle
distance
control mode Conventional
(fixed speed)
cruise
control mode Brake assis
(with preview function) Description
ICC unit ××× Operates electric throttle control actuator and brake
booster based on that sensor signals and CAN commu-
nication data, then controls vehicle distance.
ICC sensor ×× Irradiates laser beam, and receives reflected laser beam
to measure distance from preceding vehicle.
ECM ××× Transmits throttle position signal and ICC steering switch
signal to ICC unit through CAN communication.
ABS actuator and electric
unit (control unit) ××× Transmits wheel speed sensor signal to ICC unit through
CAN communication.
Brake pressure sensor ×× Detects fluid pressure in master cylinder.
Brake booster ×× Adjusts brake fluid pressure, based on command from
ICC unit.
BCM × Transmit front wiper request signal to ICC unit through
CAN communication.
TCM ×× Transmits gear position signal and output shaft revolu-
tion signal to ICC unit through CAN communication.
Unified meter and A/C amp. ××× Receives ICC system display signal, ICC warning lamp
signal and buzzer output signal from ICC unit through
CAN communication.
ICC brake switch, stop lamp
switch ××× Transmit operating signal to ICC unit when touching
brake pedal. ICC unit cancels cruise system at driver's
brake operation.
ICC brake hold relay × Receives stop lamp driving signal from ICC unit, and
turns stop lamp ON.
Parking brake switch ×× The cruise system is cancelled when applied.
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