change time INFINITI FX35 2007 Service Manual

LASER BEAM AIMING ADJUSTMENT ACS-17
[ICC]
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Revision: 2006 July 2007 FX35/FX45
Aiming AdjustmentNKS003EU
CAUTION:
Complete all necessary work for laser beam adjustment until the adjustment completes as shown in
the procedure. If the procedure does not complete, the ICC system is inoperable.
NOTE:
CONSULT-II basic operation: Refer to GI-38, "
CONSULT-II Start Procedure" .
1. Touch “WORK SUPPORT”.
2. Touch “LASER BEAM ADJUST”.
3. Touch “START”. CAUTION:
If the adjustment screen does not appear on the CONSULT-
II screen in 10 seconds. After touching “LASER BEAM
ADJUST” screen, the following causes may be considered:

Target is not set accurately.

There is not enough space beside the target.

Deformation of vehicle or the surrounding equipment
unit, bracket, or the surrounding equipment is causing
inappropriate installation of sensor and aiming may be
set out of the adjustable range.

The area is not suitable for the adjustment work.

ICC sensor is not clean.
4. After the CONSULT-II displays “ADJUST THE VERTICAL OF LASER BEAM AIMING” turn the up-down direction adjusting
screw until “U/D CORRECT” value is set in the range of ±4.
CAUTION:
Turn the screw slowly. The value change on display is
slower than actual movement of the ICC sensor. Wait for 2
seconds every time the screw is turned half a rotation.
NOTE:
Turning the screw to the right lowers the aiming and to the left
lifts the aiming.
SKIA6191E
SKIA1220E
SKIA1221E
SKIA6181E

AT-36
A/T CONTROL SYSTEM
Revision: 2006 July 2007 FX35/FX45
Shift Change System Diagram
*1: Full phase real-time feedback control monitors movement of gear ratio at gear change, and controls oil
pressure at real-time to achieve the best gear ratio.
BLIPPING CONTROL
This system makes transmission clutch engage readily by controlling (synchronizing) engine revolution
according to the (calculation of) engine revolution after shifting down.

“BLIPPING CONTROL” functions.
–When downshifting by accelerator pedal depression at “D” position.
–When downshifting under the manual mode.

TCM selects “BLIPPING CONTROL” or “NORMAL SHIFT CONTROL” according to the gear position, the
select lever position, the engine torque and the speed when accelerating by accelerator pedal depression.

Revolution control demand signal is transmitted from TCM to ECM under “BLIPPING CONTROL”.

TCM synchronizes engine revolution according to the revolution control demand signal.
Shift Change System Diagram
PCIA0013E
SCIA6483E

AT-90
TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
CONSULT-II Function (A/T)NCS001BR
CONSULT-II can display each diagnostic item using the diagnostic test models shown following.
FUNCTION
CONSULT-II REFERENCE VALUE
NOTICE:
1. The CONSULT-II electrically displays shift timing and lock-up timing (that is, operation timing of each sole-
noid).
Check for time difference between actual shift timing and the CONSULT-II display. If the difference is
noticeable, mechanical parts (except solenoids, sensors, etc.) may be malfunctioning. Check mechanical
parts using applicable diagnostic procedures.
2. Shift schedule (which implies gear position) displayed on CONSULT-II and that indicated in Service Man- ual may differ slightly. This occurs because of the following reasons:
–Actual shift schedule has more or less tolerance or allowance,
–Shift schedule indicated in Service Manual refers to the point where shifts start, and
–Gear position displayed on CONSULT-II indicates the point where shifts are completed.
3. Display of solenoid valves on CONSULT-II changes at the start of shifting, while gear position is displayed upon completion of shifting (which is computed by TCM).
Diagnostic test mode Function Reference page
Self-diagnostic results Self-diagnostic results can be read and erased quickly. AT- 9 2
Data monitor Input/Output data in the ECU can be read.AT- 9 5
CAN diagnostic support
monitor The results of transmit/receive diagnosis of CAN communication can be read.
AT- 9 9
Function test Performed by CONSULT-II instead of a technician to determine whether each system
is “OK” or “NG”. —
DTC work support Select the operating condition to confirm Diagnosis Trouble Codes. AT- 9 9
ECU part number TCM part number can be read. —
Item name Condition Display value
(Approx.)
VHCL/S SE-A/T During driving Approximately
matches the speed-
ometer reading.
VHCL/S SE-MTR
ACCELE POSI Released accelerator pedal. 0.0/8
Fully depressed accelerator pedal. 8.0/8
CLSD THL POS Released accelerator pedal. ON
Fully depressed accelerator pedal. OFF
W/O THL POS Fully depressed accelerator pedal. ON
Released accelerator pedal. OFF
BRAKE SW Depressed brake pedal. ON
Released brake pedal. OFF
ENGINE SPEED Engine running Closely matches the
tachometer reading.
TURBINE REV During driving (lock-up ON) Approximately
matches the engine
speed.
ATF TEMP SE 1 0 °C (32 ° F) - 20 °C (68 °F) - 80 °C (176 °F) 3.3 - 2.7 - 0.9 V
ATF TEMP SE 2 3.3 - 2.5 - 0.7 V
TCC SOLENOID Slip lock-up is active 0.2 - 0.4 A
Lock-up is active 0.4 - 0.6 A
LINE PRES SOL During driving 0.2 - 0.6 A

ATC-24
REFRIGERATION SYSTEM
Revision: 2006 July 2007 FX35/FX45
Operation
1. Control Valve
–By changing high-pressure valve lift amount, built-in electronic control valve executes the following:
 Controls high-pressure valve discharge amount.
 Changes crankcase pressure in compressor.
 Changes angle of wobble (swash) plate.
–Amount of high-pressure valve lift is determined by factors below.
 Low-pressure applied to diaphragm
 Spring load of set spring
 Balance of magnetic force generated in magnet coil
–Electronic control valve (ECV) magnet coil receives electric signal (duty control) from unified meter and A/
C amp. Then, magnetic force generated by electric current is changed to control high-pressure valve lift
amount.
2. Maximum Cooling High-pressure valve is closed by magnetic force generated by electric signal sent from unified meter and
A/C amp. At this time, cylinder moves full stroke due to pressure balance between inside crankcase (Pc)
and suction line (Ps).
Under this condition, the wobble (swash) plate is set to the maximum stroke position.
3. Capacity Control When no electric signal is sent from unified meter and A/C amp. (current: OFF), high-pressure valve is
opened by spring force.
Since suction pressure is low, it makes the suction port close and the discharge port open. Thus, crank-
case pressure becomes high as high-pressure enters the crankcase.
–The force acts around the journal pin near the wobble (swash) plate, and is generated by the pressure dif-
ference before and behind the piston.
–The drive lug and journal pin are located where the piston generates the highest pressure. Piston pres-
sure is between suction pressure Ps and discharge pressure Pd, which is close to suction pressure Ps. If
crankcase pressure Pc rises due to capacity control, the force around the journal pin makes the wobble
(swash) plate angle decrease and also the piston stroke decrease. In other words, crankcase pressure
SJIA0547E

ATC-58
TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
AUXILIARY MECHANISM: TEMPERATURE SETTING TRIMMER
The trimmer compensates for differences in range of ±3 °C ( ±6°F) between temperature setting (displayed dig-
itally) and temperature felt by customer.
Operating procedures for this trimmer are as follows:
1. Begin self-diagnosis STEP-5 mode. Refer to AT C - 5 2 , "
Self-diagnosis Function" .
2. Press (fan) UP switch to set system in auxiliary mode.
3. Display shows “61” in auxiliary mechanism. It takes approximately 3 seconds to enable setting operation.
4. Press temperature control switch (driver side) as desired. Temperature will change at a rate of 0.5 °C
(1.0 °F) each time a switch is pressed.
CAUTION:
A decimal point is not indicated on the display.
When battery cable is disconnected or battery voltage is below 10 V, trimmer operation is canceled. Tempera-
ture set becomes that of initial condition, i.e. 0 °C (0 °F).
SJIA1575E

TROUBLE DIAGNOSIS ATC-95
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AT C
Revision: 2006 July 2007 FX35/FX45
TROUBLE DIAGNOSIS FOR UNUSUAL PRESSURE
Whenever system’s high and/or low side pressure(s) is/are unusual, diagnose using a manifold gauge. The
marker above the gauge scale in the following tables indicates the standard (usual) pressure range. Since the
standard (usual) pressure, however, differs from vehicle to vehicle, refer to above table (Ambient air tempera-
ture-to-operating pressure table).
Both High- and Low-pressure Sides are Too High
High-pressure Side is Too High and Low-pressure Side is Too Low
Gauge indication Refrigerant cycle Probable cause Corrective action
Both high- and low-pressure sides
are too high. The pressure returns to nor-
mal soon after water is
splashed on condenser. Excessive refrigerant charge
in refrigeration cycle. Reduce refrigerant until speci-
fied pressure is obtained.
Air suction by cooling fan is
insufficient. Insufficient condenser cooling
performance.
↓
1. Condenser fins are clogged.
2. Improper fan rotation of cooling fan.

Clean condenser.

Check and repair cooling fan
as necessary.

Low-pressure pipe is not
cold.

When compressor is
stopped high-pressure
value quickly drops by
approximately 196 kPa (2
kg/cm
2 , 28 psi). It then
decreases gradually there-
after. Poor heat exchange in con-
denser
(After compressor operation
stops, high-pressure
decreases too slowly.).
↓
Air in refrigeration cycle. Evacuate repeatedly and
recharge system.
Engine tends to overheat. Engine cooling systems mal-
function. Check and repair each engine
cooling system.

An area of the low-pres-
sure pipe is colder than
areas near the evaporator
outlet.

Low-pressure pipe is
sometimes covered with
frost.

Excessive liquid refrigerant
on low-pressure side.

Excessive refrigerant dis-
charge flow.

Expansion valve is open a
little compared with the
specification.
↓
Improper expansion valve
adjustment. Replace expansion valve.
AC359A
Gauge indication Refrigerant cycle Probable cause Corrective action
High-pressure side is too high and
low-pressure side is too low.
Upper side of condenser and
high-pressure side are hot,
however, liquid tank is not so
hot. High-pressure tube or parts
located between compressor
and condenser are clogged or
crushed.

Check and repair or replace
malfunctioning parts.

Check lubricant for contami-
nation.
AC360A

TROUBLE DIAGNOSIS ATC-109
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AT C
Revision: 2006 July 2007 FX35/FX45
Sunload Sensor CircuitNJS000EH
COMPONENT DESCRIPTION
Sunload Sensor
The sunload sensor is located on the passenger’s side front
defroster grille. It detects sunload entering through windshield by
means of a photo diode. The sensor converts the sunload into a cur-
rent value which is then input into the unified meter and A/C amp.
SUNLOAD INPUT PROCESS
The unified meter and A/C amp. also includes a processing circuit which averages the variations in detected
sunload over a period of time. This prevents drastic swings in the ATC system operation due to small or quick
variations in detected sunload.
For example, consider driving along a road bordered by an occasional group of large trees. The sunload
detected by the sunload sensor will vary whenever the trees obstruct the sunlight. The processing circuit aver-
ages the detected sunload over a period of time, so that the (insignificant) effect of the trees momentarily
obstructing the sunlight does not cause any change in the ATC system operation. On the other hand, shortly
after entering a long tunnel, the system will recognize the change in sunload, and the system will react accord-
ingly.
DIAGNOSIS PROCEDURE FOR SUNLOAD SENSOR
SYMPTOM: Sunload sensor circuit is open or shorted. (25 or −25 is
indicated on unified meter and A/C amp. as a result of performing
self-diagnosis STEP-2.)
1. CHECK VOLTAGE BETWEEN SUNLOAD SENSOR AND GROUND
1. Disconnect sunload sensor connector.
2. Turn ignition switch ON.
3. Check voltage between sunload sensor harness connector M87 terminal 1 and ground.
OK or NG
OK >> GO TO 2.
NG >> GO TO 4.
RJIA2026E
RJIA1455E
1 – Ground : Approx. 5 V
RJIA2027E

AV-6
AUDIO
Revision: 2006 July 2007 FX35/FX45
AUDIOPFP:28111
System DescriptionNKS003AI
AUDIO SYSTEM
Refer to Owner's Manual for audio system operating instructions.
Power is supplied at all times

through 15A fuse (No. 32, located in the fuse and fusible link block)

to audio unit terminal 6

to A/C and AV switch terminal 1

to display control unit terminal 1

to woofer terminal 1

to satellite radio tuner terminal 12 (With satellite radio) and

to option connector–2 for satellite radio tuner terminal 12 (Without satellite radio),

through 20A fuse [No.17, located in the fuse block (J/B)]

to BOSE speaker amp. terminal 1.
With the ignition switch in the ACC or ON position, power is supplied

through 10A fuse [No. 6, located in the fuse block (J/B)]

to audio unit terminal 10

to A/C and AV switch terminal 2

to display control unit terminal 10

to satellite radio tuner terminal 16 (With satellite radio) and

to option connector–2 for satellite radio tuner terminal 11 (Without satellite radio).
Ground is supplied through the case of the audio unit.
Ground is also supplied

to BOSE speaker amp. terminal 17

to woofer terminal 2

to satellite radio tuner terminal 15 (With satellite radio) and

to option connector–2 for satellite radio receiver terminal 10 (Without satellite radio)

through body ground B203 and B210,

to A/C and AV switch terminal 5

to display control unit terminals 3,13 and

to display terminal 1

through body ground M35, M45 and M85.
Audio unit, A/C and audio controller are connected by FPC (Flexible Print Circuit).
A/C and audio controller integrates A/C switches and audio switches.
When A/C and audio controller is pressed to audio switch, it sends audio signal to audio unit. Then audio sig-
nals are supplied

through audio unit terminals 1, 2, 3, 4, 13, 14, 15, and 16

to BOSE speaker amp. terminals 23, 24, 25, 26, 27, 28, 29, and 30.
Audio signals are amplified by the BOSE speaker amp.
The amplified audio signals are supplied

through BOSE speaker amp. terminals 2, 3, 4, 9,10,11,12, 13, 14, 15, 16, 18, 19 and 20

to terminals 1 and 2 of front door speaker LH and RH

to terminals 1 and 2 of rear door speaker LH and RH

to terminals 1 and 2 of tweeter LH and RH

to terminals 1 and 2 of instrument speaker LH, RH, and CENTER, and

to terminals 7 and 8 of woofer.
When one of audio steering wheel switch is pressed to ON (With telephone system), mode ON (Without
telephone system), seek up, or volume up, resistance in steering switch circuit changes depending on which
button is pressed.

AV-36
AUDIO
Revision: 2006 July 2007 FX35/FX45
Trouble DiagnosisNKS003LC

The majority of the audio malfunctions are the result of outside causes (bad CD, electromagnetic interfer-
ence, etc.). Check the symptoms below to diagnose the malfunction.

The vehicle itself can be a source of noise if noise prevention parts or electrical equipment is malfunction-
ing. Check if noise is caused and/or changed by engine speed, ignition switch turned to each position, and
operation of each piece of electrical equipment, and then determine the cause.

Make sure that other operation except audio system can be performed with A/C and AV switch. If these
operations are inoperative with A/C and AV switch, refer to AV- 8 4 , "
Unable to Operate System with A/C
and AV Switch" (Without navigation system), or AV- 1 3 9 , "Unable to Operate System with A/C and AV
Switch" (With navigation system).

Refer to "SERVICE BULLETIN ITB04-055" for the diagnosis of satellite radio.
NOTE:
Noise resulting from variations in field strength, such as fading noise and multi-path noise, or external noise
from trains and other sources. It is not a malfunction.

Fading noise: This noise occurs because of variations in the field strength in a narrow range due to moun-
tains or buildings blocking the signal.

Multi-path noise: This noise results from a time difference between the broadcast waves directly from the
station arriving at the antenna and the waves reflected by mountains or buildings.
Symptom Possible malfunction location
Audio system does not work properly.

Audio unit power supply circuit

Communication signal circuit between audio unit and display control unit

A/C and AV switch

Audio unit
No sound can be heard from all speakers.

BOSE speaker amp. power supply and ground circuit

BOSE speaker amp. ON signal circuit

Audio unit

BOSE speaker amp.
No sound can be heard from one or several speakers.

Audio signal circuit between audio unit and BOSE speaker amp.

Audio signal circuit between BOSE speaker amp. and speaker

Speaker

Tw e e te r

Audio unit

BOSE speaker amp.
No sound can be heard from woofer.

Audio signal circuit between BOSE speaker amp. and woofer

Woofer

BOSE speaker amp.
No sound can be heard from radio or noise is caught.

Antenna amp. ON signal circuit

Antenna feeder

Roof antenna

Antenna amp.

Audio unit
Audio steering switch does not operate properly.

Remote control signal circuit between audio steering switch and A/C and
AV switch

Audio steering switch

Spiral cable

TEL adapter unit (With telephone system)

A/C and AV switch

INTEGRATED DISPLAY SYSTEM AV-91
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AV
Revision: 2006 July 2007 FX35/FX45
Values for All Items in The TRIP Screen Do Not ChangeNKS003JQ
Symptom: Values for items, “Elapsed Time”, “Driving Distance” and “Average Speed” in the TRIP screen do
not change. FUEL ECONOMY screen is not displayed when pressing “TRIP” button.
1. CHECK DISPLAY CONTROL UNIT IGNITION SIGNAL
Select “Vehicle Signals” in Confirmation/Adjustment mode, and check the ignition signal inputting to display
control unit. Refer to AV- 8 0 , "
VEHICLE SIGNALS" .
OK or NG
OK >> Replace display control unit.
NG >> Check display control unit ignition signal circuit, and repair malfunctioning part.
Values for Items, “Driving Distance” and “Average Speed” Do Not ChangeNKS003JR
Symptom: Values for Items, "Driving Distance" and "Average Speed" do not change. (The Value for "Elapsed
Time" Changes.)
1. CHECK DISPLAY CONTROL UNIT VEHICLE SPEED SIGNAL
Select “Vehicle Signals” in Confirmation/Adjustment mode, and check the vehicle speed signal inputting to dis-
play control unit. Refer to AV- 8 0 , "
VEHICLE SIGNALS" .
OK or NG
OK >> Replace display control unit.
NG >> Check display control unit vehicle speed signal circuit, and repair malfunctioning part.
Values for All Items in The FUEL ECONOMY Screen Do Not ChangeNKS003JS
Symptom: Values for items, “Average Fuel Economy” and “Distance to Empty” in the FUEL ECONOMY screen
do not change.
1. CHECK CONDITION
Check if values for all items in the TRIP screen change properly.
OK or NG
OK >> GO TO 2.
NG >> Repair malfunctioning part. Refer to AV- 9 1 , "
Values for All Items in The TRIP Screen Do Not
Change" or AV- 9 1 , "Values for Items, “Driving Distance” and “Average Speed” Do Not Change" .
2. CHECK CAN COMMUNICATION
Check CAN communication. Refer to AV- 8 3 , "
CAN Communication Check" .
OK or NG
OK >> Replace display control unit.
NG >> After filling out CAN DIAG SUPPORT MONITOR check sheet, GO TO LAN-49, "
CAN System
Specification Chart" .