height INFINITI M35 2006 Factory Manual Online

SERVICE DATA AND SPECIFICATIONS (SDS)
FSU-19
[2WD]
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Revision: 2006 January2006 M35/M45
SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
Wheel Alignment (Unladen)NES000IJ
Ball JointNES000IK
Wheelarch Height (Unladen*)NES000IL
*: Fuel, engine coolant and lubricant are full. Spare tire, jack, hand tools and mats are in designated positions. Tire245/45R18 245/40R19
Camber
Degree minute (Decimal degree)Minimum – 1
00 (– 1.00)
Nominal – 0
15 (– 0.25)
Maximum 0
30 (0.50)
Left and right difference 33
(0.55) or less
Caster
Degree minute (Decimal degree)Minimum 3
45 (3.75)3 50 (3.83)
Nominal 4
30 (4.50)4 35 (4.58)
Maximum 5
15 (5.25)5 20 (5.33)
Left and right difference 39
(0.65) or less
Kingpin inclination
Degree minute (Decimal degree)Minimum 6
30 (6.50)
Nominal 7
15 (7.25)
Maximum 8
00 (8.00)
Total toe-inDistanceMinimum 0 mm (0 in)
Nominal 1 mm (0.04 in)
Maximum 2 mm (0.08 in)
Angle (left plus right)
Degree minute (Degree)Minimum 0
(0)
Nominal 3
(0.05)
Maximum 6
(0.10)
Swing torqueTransverse link 0.5 - 3.6 Nꞏm (0.06 - 0.36 kg-m, 5 - 31 in-lb)
Upper link 0 - 2.0 Nꞏm (0 - 0.2 kg-m, 0 - 17 in-lb)
Measurement on spring balanceTransverse link 7.8 - 56.3 N (0.8 - 5.7 kg, 1.8 - 12.5 lb)
Upper link 0 - 61.5 N (0 - 6.2 kg, 0 - 13.6 lb)
Rotating torqueTransverse link 0.5 - 3.9 Nꞏm (0.06 - 0.39 kg-m, 5 - 34 in-lb)
Upper link 0 - 2.0 Nꞏm (0 - 0.2 kg-m, 0 - 17 in-lb)
Axial end play0 mm (0 in)
Tire 245/45R18 245/40R19
Front (Hf)USA 717 mm (28.23 in)
721 mm (28.39 in)
CANADA 718 mm (28.27 in)
Rear (Hr)USA 710 mm (27.95 in)
711 mm (27.99 in)
CANADA 711 mm (27.99 in)
SFA818A

FRONT SUSPENSION ASSEMBLY
FSU-23
[AWD]
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FRONT SUSPENSION ASSEMBLYPFP:54010
On-Vehicle Inspection and ServiceNES000IQ
Make sure the mounting conditions (looseness, back lash) of each component and component conditions
(wear, damage) are normal.
INSPECTION OF LOWER BALL JOINT END PLAY
1. Set front wheels in a straight-ahead position. Do not depress brake pedal.
2. Place an iron bar or similar tool between transverse link and steering knuckle.
3. Measure axial end play by prying it up and down.
CAUTION:
Be careful not to damage ball joint boot. Do not damage the installation position by applying
excessive force.
SHOCK ABSORBER INSPECTION
Check for oil leakage, damage and breakage of installation positions.
Wheel Alignment InspectionNES000IR
DESCRIPTION
Measure wheel alignment under unladen conditions.
NOTE:
“Unladen conditions” means that fuel, engine coolant, and lubricant are full. Spare tire, jack, hand tools and
mats are in designated positions.
PRELIMINARY CHECK
Check the following:
1. Tires for improper air pressure and wear.
2. Road wheels for runout. Refer to WT-6, "
ROAD WHEEL" .
3. Wheel bearing axial end play. Refer to FAX-5, "
WHEEL BEARING INSPECTION" .
4. Transverse link ball joint axial end play. Refer to FSU-31, "
INSPECTION AFTER REMOVAL" .
5. Shock absorber operation.
6. Each mounting part of axle and suspension for looseness and deformation.
7. Each of suspension member, shock absorber, upper link and transverse link for cracks, deformation and
other damage.
8. Vehicle height (posture).
GENERAL INFORMATION AND RECOMMENDATIONS
A four-wheel thrust alignment should be performed.
–This type of alignment is recommended for any NISSAN/INFINITI vehicle.
–The four-wheel “thrust” process helps ensure that the vehicle is properly aligned and the steering wheel is
centered.
–The alignment rack itself should be capable of accepting any NISSAN/INFINITI vehicle.
–The rack should be checked to ensure that it is level.
Make sure the machine is properly calibrated.
–Your alignment equipment should be regularly calibrated in order to give correct information.
–Check with the manufacturer of your specific equipment for their recommended Service/Calibration
Schedule.Axial end play : 0 mm (0 in)

FSU-24
[AWD]
FRONT SUSPENSION ASSEMBLY
Revision: 2006 January2006 M35/M45
THE ALIGNMENT PROCESS
IMPORTANT:
Use only the alignment specifications listed in this Service Manual.
When displaying the alignment settings, many alignment machines use “indicators”: (Green/red, plus or
minus, Go/No Go). Do NOT use these indicators.
–The alignment specifications programmed into your machine that operate these indicators may not be cor-
rect.
–This may result in an ERROR.
Some newer alignment machines are equipped with an optional “Rolling Compensation” method to “com-
pensate” the sensors (alignment targets or head units). DO NOT use this “Rolling Compensation”
method.
–Use the “Jacking Compensation Method”. After installing the alignment targets or head units, raise the
vehicle and rotate the wheels 1/2 turn both ways.
–See Instructions in the alignment machine you're using for more information on this.
INSPECTION OF CAMBER, CASTER AND KINGPIN INCLINATION ANGLES
Camber, caster, kingpin inclination angles cannot be adjusted.
Before inspection, mount front wheels onto turning radius gauge. Mount rear wheels onto a stand that has
same height so vehicle will remain horizontal.
Using a CCK Gauge
Install the CCK gauge attachment [SST: KV991040S0 ( – )] with the following procedure on wheel, then
measure wheel alignment.
1. Remove three wheel nuts, and install the guide bolts to hub bolt.
2. Screw the adapter into the plate until it contacts the plate tightly.
3. Screw the center plate into the plate.
4. Insert the plate assembly on the guide bolt. Put the spring in,
and then evenly screw the three guide bolt nuts. When fastening
the guide nuts, do not completely compress the spring.
5. Place the dent of alignment gauge onto the projection of the
center plate and tightly contact them to measure.
CAUTION:
If camber, caster, or kingpin inclination angle is outside
the standard, check front suspension parts for wear and
damage. Replace suspect parts if a malfunction is
detected.
Kingpin inclination angle is reference value, no inspec-
tion is required.
SEIA0240E
Camber, caster, kingpin inclination angles:
Refer to FSU-36, "
SERVICE DATA AND SPECIFICA-
TIONS (SDS)" .
SEIA0241E

FSU-36
[AWD]
SERVICE DATA AND SPECIFICATIONS (SDS)
Revision: 2006 January2006 M35/M45
SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
Wheel Alignment (Unladen)NES000IZ
Ball JointNES000J0
Wheelarch Height (Unladen*)NES000J1
*: Fuel, engine coolant and lubricant are full. Spare tire, jack, hand tools and mats are in designated positions. Camber
Degree minute (Decimal degree)Minimum – 1
00 (– 1.00)
Nominal – 0
15 (– 0.25)
Maximum 0
30 (– 0.50)
Left and right difference 33
(0.55) or less
Caster
Degree minute (Decimal degree)Minimum 3
05 (3.08)
Nominal 3
50 (3.83)
Maximum 4
35(4.58)
Left and right difference 39
(0.65) or less
Kingpin inclination
Degree minute (Decimal degree)Minimum 6
30 (6.50)
Nominal 7
15 (7.25)
Maximum 8
00 (8.00)
Total toe-inDistanceMinimum 0 mm (0 in)
Nominal 1 mm (0.04 in)
Maximum 2 mm (0.08 in)
Angle (left plus right)
Degree minute (Degree)Minimum 0
(0)
Nominal 3
(0.05)
Maximum 6
(0.10)
Swing torqueTransverse link 0.5 - 3.6 Nꞏm (0.06 - 0.36 kg-m, 5 - 31 in-lb)
Upper link 0 - 2.0 Nꞏm (0 - 0.2 kg-m, 0 - 17 in-lb)
Measurement on spring balanceTransverse link 7.8 - 56.3 N (0.8 - 5.7 kg, 1.8 - 12.5 lb)
Upper link 0 - 61.5 N (0 - 6.2 kg, 0 - 13.6 lb)
Rotating torqueTransverse link 0.5 - 3.9 Nꞏm (0.06 - 0.39 kg-m, 5 - 34 in-lb)
Upper link 0 - 2.0 Nꞏm (0 - 0.2 kg-m, 0 - 17 in-lb)
Axial end play0 mm (0 in)
Tire245/45R18
Front (Hf)USA 731 mm (28.78 in)
CANADA 732 mm (28.82 in)
Rear (Hr)USA 725 mm (28.54 in)
CANADA 726 mm (28.58 in)
SFA818A

GI-52
IDENTIFICATION INFORMATION
Revision: 2006 January2006 M35/M45
Dimensions NAS00086
Unit: mm (in)
*1: 2-wheel drive model
*2: All-wheel drive model
Wheels & Tires NAS00087
*: 2-wheel drive modelOverall lengthwithout front license plate 4,893 (192.6)
with front license plate 4,899 (192.9)
Overall width 1,798 (70.8)
Overall height 1,508 (59.4)*1, 1,523 (60.0)*2
Front tread 1,537 (60.5)*1, 1,551 (61.1)*2
Rear tread 1,550 (61.0)*1, 1,543 (60.7)*2
Wheelbase 2,900 (114.2)
Conventional Spare
Road wheel/offset mm (in)18 X 8JJ Aluminum/47 (1.85)
19 X 8.5JJ Aluminum/50 (1.97)*17x4T/30 (1.18)
Tire sizeP245/45R18
245/40R19*T145/80D17

LT-3
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Revision: 2006 January2006 M35/M45 OUTLINE ...........................................................136
AFS OPERATION .............................................137
HEADLAMP AUTO AIMING OPERATION ........139
CAN COMMUNICATION SYSTEM DESCRIP-
TION ..................................................................139
CAN COMMUNICATION UNIT .........................139
Component Parts Description ..............................140
AFS CONTROL UNIT .......................................140
SWIVEL ACTUATOR ........................................140
AIMING MOTOR ...............................................140
AFS SWITCH ....................................................141
HEIGHT SENSOR ............................................141
STEERING ANGLE SENSOR ..........................141
IPDM E/R ..........................................................141
ECM ..................................................................141
TCM ..................................................................141
UNIFIED METER AND A/C AMP. .....................141
COMBINATION METER ...................................141
Schematic ............................................................142
Wiring Diagram — AFS — ...................................143
Terminals and Reference Values for AFS Control
Unit .......................................................................149
How to Proceed with Trouble Diagnosis ..............151
Preliminary Check ................................................151
CONSULT-II Function (ADAPTIVE LIGHT) ..........152
CONSULT-II BASIC OPERATION .....................152
WORK SUPPORT (STEERING ANGLE SEN-
SOR ADJUSTMENT) ........................................153
WORK SUPPORT (LEVELIZER ADJUSTMENT)
.153
SELF-DIAG RESULTS ......................................154
DATA MONITOR ...............................................158
ACTIVE TEST ...................................................160
Symptom Chart ....................................................161
DTC B2503 SWIVEL ACTUATOR RH .................162
DTC B2504 SWIVEL ACTUATOR LH ..................168
DTC B2514 HI SEN UNUSUAL RR .....................174
DTC B2521 ECU CIRC ........................................178
AFS Operation Check (Function Test) .................181
Auto Aiming Operation Check (Function Test) .....183
AFS Switch Does Not Operate .............................185
Auto Aiming Does Not Operate (Check Aiming
Motor System Circuit) ..........................................
.187
AFS OFF Indicator Does Not Operate .................190
Removal and Installation of Steering Angle Sensor .190
Removal and Installation of Front Combination
Lamp ....................................................................190
Removal and Installation of AFS Control Unit ......191
REMOVAL ........................................................
.191
INSTALLATION .................................................191
Removal and Installation of AFS Switch ..............191
REMOVAL ........................................................
.191
INSTALLATION .................................................191
Removal and Installation of Height Sensor ..........192
REMOVAL ........................................................
.192
INSTALLATION .................................................192
FRONT FOG LAMP ................................................193
Component Parts and Harness Connector Location .193
System Description ..............................................193OUTLINE ...........................................................194
COMBINATION SWITCH READING FUNCTION .195
EXTERIOR LAMP BATTERY SAVER CONTROL .195
CAN Communication System Description ............195
CAN Communication Unit .....................................195
Schematic .............................................................196
Wiring Diagram — F/FOG — ................................197
Terminals and Reference Values for BCM ............201
Terminals and Reference Values for IPDM E/R ....202
How to Perform Trouble Diagnoses .....................202
Preliminary Check ................................................202
CHECK POWER SUPPLY AND GROUND CIR-
CUIT ..................................................................202
CONSULT-II Functions (BCM) ..............................203
CONSULT-II Functions (IPDM E/R) ......................203
Front Fog Lamps Do Not Illuminate (Both Sides) . 204
Front Fog Lamp Does Not Illuminate (One Side) . 207
Front Fog Lamps Do Not Turn OFF ......................208
Aiming Adjustment ................................................209
Bulb Replacement ................................................210
Removal and Installation ......................................210
REMOVAL ........................................................
.210
INSTALLATION .................................................210
TURN SIGNAL AND HAZARD WARNING LAMPS .211
Component Parts and Harness Connector Location .211
System Description ...............................................211
TURN SIGNAL OPERATION ............................211
HAZARD LAMP OPERATION ...........................212
COMBINATION SWITCH READING FUNCTION .213
CAN Communication System Description ............213
CAN Communication Unit .....................................213
Schematic .............................................................214
Wiring Diagram — TURN — .................................215
Terminals and Reference Values for BCM ............219
How to Perform Trouble Diagnoses .....................220
Preliminary Check ................................................221
CHECK POWER SUPPLY AND GROUND CIR-
CUIT ..................................................................221
CONSULT-II Functions (BCM) ..............................223
CONSULT-II BASIC OPERATION .....................223
DATA MONITOR ...............................................224
ACTIVE TEST ...................................................224
Turn Signal Lamp Does Not Operate ...................225
H a z a r d W a r n i n g L a m p D o e s N o t O p e r a t e B u t T u r n
Signal Lamp Operate ............................................227
Turn Signal Indicator Lamp Does Not Operate ....228
Bulb Replacement/Removal and Installation of Side
Turn Signal Lamp .................................................229
REMOVAL ........................................................
.229
INSTALLATION .................................................229
Bulb Replacement (Front Turn Signal Lamp) .......229
Bulb Replacement (Rear Turn Signal Lamp) ........229
Removal and Installation of Front Turn Signal Lamp .229
Removal and Installation of Rear Turn Signal Lamp .229
LIGHTING AND TURN SIGNAL SWITCH ..............230
Removal and Installation ......................................230
REMOVAL ........................................................
.230
INSTALLATION .................................................230
Switch Circuit Inspection ......................................230

ACTIVE AFS
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System DescriptionNKS003QF
AFS control unit controls AFS and headlamp auto aiming.
The following signals are input to AFS control unit via CAN communication:
Steering angle sensor signal
A/T position indicator signal
Low beam status signal
Vehicle speed signal
Engine speed signal
Other signals are input as follows:
AFS switch signal from AFS switch connected to AFS control unit
Height sensor signal from height sensor connected to AFS control unit
Swivel position sensor signal from swivel position sensor built into both right and left swivel actuators con-
nected to AFS control unit
In response to the state of control, AFS control unit switches commands of AFS off indicator signal sent to uni-
fied meter and A/C amp. via CAN communication; and then turns on/off or blinks AFS off indicator lamp built in
the combination meter.
AFS (ADAPTIVE FRONT-LIGHTING SYSTEM)
AFS increases viewability of cornering direction by changing light axis automatically to the direction of travel
with low beam headlamps during vehicle's cornering.
AFS switch allows AFS function to be stopped.
AFS control unit determines the current vehicle conditions by each received signals, and sends commands to
the low beam headlamp to swivel. With the headlamps (HIGH/LOW) illuminated, the AFS switch on, engine
running and the A/T select lever in any position but range P or range R, the low beam headlamps are opera-
tive by AFS control unit commands.
As the steering wheel is turned to the left (right), the left (right) low beam headlamp will automatically swivel
angle in accordance with the steering angle and vehicle speed, and stop the operation when the steering
wheel is returned to the straight-ahead position.
Swivel operation allows drive signal to be sent to the swivel actuator on the side that AFS control unit is actu-
ated. Step motor built in swivel actuator adjusts low beam projector of headlamp to swivel angle that matches
drive signal. Swivel position sensor built in swivel actuator detects swivel angle and transmits a swivel position
sensor signal to the AFS control unit. AFS control unit monitors if swivel operation is performed normally via
swivel position sensor signal.
Swivel operation
*1: Included high beam illuminated.
*2: The swivel operates when running at approx. 25 km/h (15.5 MPH). When swivel operation is started, it works on until vehicle
stops.
*3: The low beam headlamps perform small movements when AFS control unit detects start of the engine. This is normal with ini-
tialization of swivel actuator by AFS control unit.Low beam
statusA/T selector
lever positionVehicle speed AFS switch Engine speed Low beam
headlamp LH
(swivel)Low beam
headlamp RH
(swivel)
Left turn
Illuminated*
1Except P, R
Running*2ONWhile engine
running*3
Right turn
Illuminated*1Except P, R Irrespective ONWhile engine
running*3

LT-136
ACTIVE AFS
Revision: 2006 January2006 M35/M45
HEADLAMP AUTO AIMING
Headlamp auto aiming control automatically corrects vertical deviation of light axis that is brought by the
change of vehicle height with changing number of passenger and laden weight, and relieves dazzle to oncom-
ing vehicles.
AFS control unit determines the current vehicle conditions by each received signals, and sends commands to
the low beam headlamps to auto aiming. With the headlamps (HIGH/LOW) illuminated and engine running,
the low beam headlamps are operative by AFS control unit commands.
The height sensor is located on the left side of the rear suspension member and detects rear vehicle height
change by sensing the displacement of the rear suspension arm. And transmits a height sensor signal to the
AFS control unit.
With reference to the rear vehicle height under the empty condition, light axis of low beam with low rear vehi-
cle height is relatively higher than that with the empty condition. AFS control unit switches drive signal corrects
height of low beam axis to maintain height of light axis with empty condition.
Light axis of low beam with high rear vehicle height is relatively lower than that with empty condition. Light axis
of low beam with empty condition is set as upper limit of headlamp auto aiming control operation. Control to
correct deviation is not performed when light axis of low beam gets relatively higher than that with empty con-
dition. Timing of control is switched in accordance with driving conditions.
Headlamp auto aiming operation
*1: Included high beam illuminated
*2: Control timing of drive signal is switched by vehicle speed and accelerating/decelerating vehicle.
*3: Control is performed without regard to the condition of AFS switch. Headlamp auto aiming control function cannot be cancelled.
OUTLINE
Power is supplied
When the ignition switch is ON or START position, power is supplied
through 10A fuse [No.12, located in fuse block (J/B)]
to AFS control unit terminal 1
to front combination lamp LH and RH terminal 13
to AFS switch terminal 1.
Ground is supplied
to AFS control unit terminal 25
through grounds M16 and M70,
to front combination lamp LH and RH terminal 11
through grounds E22 and E43.
SKIB4707E
Operating range With 18-inch wheel (Reference value) With 19-inch wheel (Reference value) Vehicle height
A 0 mm (Standard position) 0 mm (Standard position) Unloaded vehicle position
B Approx. 200 mm (7.9 in) Approx.180 mm (7.1 in) Low
Low beam status Vehicle speed Engine speed AFS switch
Illuminated*
1Control switch by driving conditions*2While engine running
Irrespective*3

ACTIVE AFS
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HEADLAMP AUTO AIMING OPERATION
The height sensor detects a change in height of rear vehicle with ignition switch ON, and transmits signals to
the AFS control unit:
When ignition switch is turn to ON position, power is supplied
to height sensor terminal 1
through AFS control unit terminal 6.
When ignition switch is turned to ON position, height sensor input signal is supplied
to AFS control unit terminal 28
through height sensor terminal 2.
Ground is supplied
to height sensor terminal 3
through AFS control unit terminal 8.
Aiming motor driving signal (voltage signal that corresponds to the vehicle height) is transmitted depending on
the height sensor signal at the start of the engine
to front combination lamp LH terminal 12
through AFS control unit terminal 40,
to front combination lamp RH terminal 12
through AFS control unit terminal 19.
Output of aiming motor driving signal is maintained unless headlamp (HIGH/LOW) illuminate detected.
Auto aiming control operation starts when headlamps (HIGH/LOW) illuminate detected.
When headlamps (HIGH/LOW) illuminate, output of aiming motor driving signal is changed according to the
height sensor signal. After the change, it is changed according to height sensor signals with predetermined
timing based on driving condition while headlamps are ON.
Auto Aiming Operation
AFS control unit starts outputting aiming motor drive signal when the engine starts, and continues to output it
until the engine stops. Aiming motor drive signal changes output when the specified conditions described
below are met.
Headlamp aiming motors set the low beam projectors according to aiming motor drive signals received from
AFS control unit, both headlamp aiming motors cause the low beam projectors to move to the position com-
manded by the signal.
The aiming motor drive signal level retains when the following conditions are not met.
AFS control unit operation when the vehicle is stopped (low beam headlamps illuminated)
Headlamp aiming motor drive signal is changed when vehicle height is stabilized with a parked condition,
depending on the height sensor signal detected with height sensor signal by AFS control unit.
AFS control unit operation when the vehicle is running (low beam headlamps illuminated)
When vehicle is running, headlamp aiming motor drive signal is changed depending on the height sensor
signal which is detected when AFS control unit detects constant steady speed of vehicle.
When the vehicle is accelerating or decelerating, AFS control unit keeps headlamp aiming motor drive sig-
nal voltage level rather than changing it, so that the low beam projectors of both headlamps do not oper-
ate.
CAN COMMUNICATION SYSTEM DESCRIPTION
CAN (Controller Area Network) is a serial communication line 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-
tronic control units are equipped onto a vehicle, and each 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-34, "CAN Communication Unit" .

ACTIVE AFS
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AFS SWITCH
AFS switch transmits state of ON/OFF as AFS switch signals to AFS
control unit.
AFS control unit performs AFS operation when AFS switch is
ON and turns off AFS off indicator lamp.
AFS control unit does not perform AFS operation when AFS
switch is OFF, and turns on AFS off indicator lamp.
HEIGHT SENSOR
The height sensor is located on the left side of the rear suspension
member and detects rear vehicle height change by sensing the dis-
placement of the rear suspension arm. And transmits a height sen-
sor signal to the AFS control unit.
STEERING ANGLE SENSOR
The steering angle sensor is located combination switch and detects
steering angle. And transmits a steering angle sensor signal to the
AFS control unit.
IPDM E/R
IPDM E/R detects ON/OFF state of low beam headlamps. It transmits a low beam state signal to the AFS con-
trol unit.
ECM
ECM transmits an engine speed signal to the AFS control unit.
TCM
TCM transmits an A/T position indicator signal to the AFS control unit.
UNIFIED METER AND A/C AMP.
Unified meter and A/C amp. transmits vehicle speed signals to the AFS control unit.
Unified meter and A/C amp. transmits AFS off indicator signals received from the AFS control unit to the
combination meter.
COMBINATION METER
Combination meter turns on/off or blinks built-in AFS off indicator lamp depending on AFS off indicator signal
received from unified meter and A/C amp.
SKIB4709E
Sensor angle Vehicle height
A Approx. –103
(Link stopper angle) Low side
B0
(Standard position)Approx. unloaded
vehicle position
C Approx. 46
(Link stopper angle) High side SKIB4689E
SKIB4708E