engine INFINITI FX35 2006 Service Manual

LAN-16
[CAN]
TROUBLE DIAGNOSES WORK FLOW
Revision: 2006 December 2006 FX35/FX45
CAN Diagnostic Support MonitorNKS0034B
DESCRIPTION OF “CAN DIAG SUPPORT MNTR” SCREEN FOR ECM
Display Results (Present)

OK: Normal

UNKWN: The diagnosed unit does not transmit or receive the applicable data normally.

–: There is no received unit or the unit is not in the condition that reception diagnosis is performed.
Display Results (Past)

OK: Normal

0: There is malfunction now.

1 – 39: Displays when it is normal at present and finds malfunction in the past. It increases like 0 →1→ 2...38 →39 after returning to the
normal condition whenever IGN OFF →ON. If it is over 39, it is fixed to 39 until the self-diagnostic results are erased. It returns to 0
when malfunction is detected again in the process.

—: Undiagnosed
PKIC3562E
“SELECT SYS- TEM” screen “CAN DIAG SUP-
PORT MNTR” screen Description Present Past
ENGINE TRANSMIT DIAG Make sure of normal transmission. OK/UNKWN/–
OK/0/1 – 39/—
VDC/TCS/ABS
Make sure of normal reception from ABS actuator and
electric unit (control unit). OK/UNKWN/–
METER/M&A Make sure of normal reception from unified meter and A/
C amp. OK/UNKWN/–
BCM/SEC Make sure of normal reception from BCM. OK/UNKWN/–
ICC Make sure of normal reception from ICC unit. OK/UNKWN/–
HVAC HVAC is not diagnosed. –
TCM Make sure of normal reception from TCM. OK/UNKWN/–
EPS EPS is not diagnosed. –
IPDM E/R Make sure of normal reception from IPDM E/R. OK/UNKWN/–
e4WD e4WD is not diagnosed. –
AWD/4WD Make sure of normal reception from AWD control unit. OK/UNKWN/–

LAN-32
[CAN]
CAN COMMUNICATION
Revision: 2006 December 2006 FX35/FX45
CAN Communication UnitNKS0034D
Go to CAN system, when selecting your CAN system type from the following table.
× : Applicable
NOTE:
Confirming the presence of the following items helps to identify CAN system type.

Models with ICC system

Models with lane departure warning system

Models with Intelligent Key system
Body type Wagon
Axle 2WD AWD
Engine VQ35DE VQ35DE/VK45DE
Transmission A/T
Brake control VDC
ICC system ××
Lane departure warning system ××
Intelligent Key system ×× ××
CAN system type 12 3456
CAN system trouble diagnosis LAN-49
LAN-69LAN-91LAN-117LAN-139LAN-163
PBIB3255E
PKIC9661E
PKIC9662E

LAN-34
[CAN]
CAN COMMUNICATION
Revision: 2006 December 2006 FX35/FX45
ASCD operation signal T R
ASCD SET lamp signal T R
Battery voltage signal T R
Closed throttle position signal T R
Cooling fan speed request sig-
nal T
R
Engine coolant temperature
signal TR
Engine speed signal T R R R R
Engine status signal T R
Fuel consumption monitor sig-
nal TR
RT
Malfunctioning indicator lamp
signal TR
Wide open throttle position sig-
nal TR
A/T CHECK indicator lamp sig-
nal TR
A/T self-diagnosis signal R T
Current gear position signal T R
Manual mode indicator signal T R
Output shaft revolution signal R T
P range signal T R R
Shift position indicator signal T R
Turbine revolution signal R T
A/C switch/indicator signal TR
RT
System setting signal TR R
RT T
Alarm request signal T R
Back door open request signal T R
Door lock/unlock request signal T R
Ignition knob switch signal T R
Key warning signal T R
Power window open request
signal TR
Sleep wake up signal TR R
TR
Buzzer output signal TR
TR
A/C switch signal R T Signals ECM TCM
Dis-
play
control unit Intelli-
gent
Key unit BCM Steer-
ing
angle
sensor Unified
meter
and A/
C amp. ABS
actua-
tor and
electric
unit
(con- trol
unit) Driver
seat
control unit IPDM
E/R

CAN COMMUNICATION LAN-37
[CAN]
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Revision: 2006 December 2006 FX35/FX45
ASCD operation signal T R
Battery voltage signal T R
Closed throttle position
signal TR R
Cooling fan speed
request signal T
R
Engine coolant tempera-
ture signal TR
Engine speed signal T R R R R R
Engine status signal T R
Fuel consumption moni-
tor signal TR
RT
ICC steering switch sig-
nal TR
Malfunctioning indicator
lamp signal TR
Wide open throttle posi-
tion signal TR
Snow mode switch signal RT
TR
A/T CHECK indicator
lamp signal TR
A/T self-diagnosis signal R T
Current gear position sig-
nal TR R
Manual mode indicator
signal TR R
Output shaft revolution
signal RT R R
P range signal T R R R
Shift position indicator
signal TR R
Turbine revolution signal R T R
A/C switch/indicator sig-
nal TR
RT
System setting signal TR R
RT T
ICC OD cancel request
signal RT
ICC operation signal R T
ICC system display sig-
nal TR
Signals ECM TCM
Dis-
play
con-
trol
unit ICC
unit Intelli-
gent Key unit BCM Ste er-
ing
angle
sen- sor LDW
cam- era
unit Uni-
fied
meter and
A/C
amp. ICC
sen-
sor ABS
actu- ator and
elec- tric
unit
(con- trol
unit) Driver
seat
con-
trol
unit IPDM
E/R

CAN COMMUNICATION LAN-41
[CAN]
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Revision: 2006 December 2006 FX35/FX45
Input/Output Signal Chart
T: Transmit R: Receive
Signals ECM TCM Dis-
play
control unit AW D
control unit Intelli-
gent
Key unit BCM Stee r-
ing
angle
sensor Unified
meter
and A/
C amp. ABS
actua-
tor and elec-
tric unit (con-trol
unit) Driver
seat
control unit IPDM
E/R
A/C compressor feedback
signal TR
A/C compressor request
signal T
R
Accelerator pedal position
signal TR R R
ASCD CRUISE lamp sig-
nal TR
ASCD OD cancel request
signal TR
ASCD operation signal T R
ASCD SET lamp signal T R
Battery voltage signal T R
Closed throttle position
signal TR
Cooling fan speed request
signal T
R
Engine coolant tempera-
ture signal TR
Engine speed signal T R R R R R
Engine status signal T R
Fuel consumption monitor
signal TR
RT
Malfunction indicator lamp
signal TR
Wide open throttle posi-
tion signal TR
Snow mode switch signal R T
A/T CHECK indicator
lamp signal TR
A/T self-diagnosis signal R T
Current gear position sig-
nal TR
Manual mode indicator
signal TR
Output shaft revolution
signal RT
P range signal T R R
Shift position indicator sig-
nal TR
Turbine revolution signal R T
A/C switch/indicator signal TR
RT

LAN-44
[CAN]
CAN COMMUNICATION
Revision: 2006 December 2006 FX35/FX45
TYPE 6
System Diagram

Ty p e 6
Input/Output Signal Chart
T: Transmit R: Receive
PKIB4174E
Signals ECM TCM Dis-
play
con- trol
unit AW D
con-
trol
unit ICC
unit Intel-
ligent
Key unit BCM Steer-
ing
angle sen-
sor LDW
cam-
era
unit Uni-
fied
meter
and
A/C
amp. ICC
sen- sor ABS
actu-
ator and
elec-
tric
unit
(con-
trol
unit) Driver
seat
con- trol
unit IPDM
E/R
A/C compressor
feedback signal TR
A/C compressor
request signal T
R
Accelerator pedal
position signal TR R R R
ASCD OD cancel
request signal TR
ASCD operation sig-
nal TR
Battery voltage sig-
nal TR
Closed throttle posi-
tion signal TR R
Cooling fan speed
request signal T
R
Engine coolant tem-
perature signal TR
Engine speed signal T R R R R R R
Engine status signal T R
Fuel consumption
monitor signal TR
RT

HEADLAMP - XENON TYPE - LT-7
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Revision: 2006 December 2006 FX35/FX45
HEADLAMP - XENON TYPE -PFP:26010
Component Parts and Harness Connector LocationNKS002V5
System DescriptionNKS002V6
Control of the headlamp system operation is dependent upon the position of the combination switch (lighting
switch). When the lighting switch is placed in the 2ND position, the BCM (body control module) receives input
signal requesting the headlamps (and tail lamps) illuminate. This input signal is communicated to the IPDM E/
R (intelligent power distribution module engine room) through the CAN communication lines. The CPU (central
processing unit) located in the IPDM E/R controls the headlamp high and headlamp low relay coils. These
relays, when energized, direct power to the respective headlamps, which then illuminate.
If voltage is applied to a high beam solenoid, the bulb shade will move, even a xenon head lamp bulb comes
out, and a high beam and a low beam are changed.
OUTLINE
Power is supplied at all times

to headlamp high relay, located in IPDM E/R

to headlamp low relay, located in IPDM E/R and

to ignition relay, located in IPDM E/R, from battery direct,

through 10A fuse (No. 71, located in IPDM E/R)

to CPU located in IPDM E/R,

through 15A fuse (No. 78, located in IPDM E/R)

to CPU located in IPDM E/R,

through 50A fusible link (letter M, located in fuse, fusible link and relay box)

to BCM terminal 55,

through 15A fuse [No. 22, located in fuse block (J/B)]

to BCM terminal 42,

through 10A fuse [No. 19, located in fuse block (J/B)]

to combination meter terminal 8.
PKIC9683E

LT-20
HEADLAMP - XENON TYPE -
Revision: 2006 December 2006 FX35/FX45
NOTE: 1. Vehicles without auto light system display this item, but cannot be monitored.
2. Vehicles without daytime light system display this item, but cannot be monitored.
3. This item is displayed, but cannot be monitored.
ACTIVE TEST
Operation Procedure
1. Touch “HEAD LAMP” on “SELECT TEST ITEM” screen.
2. Touch “ACTIVE TEST” on “SELECT DIAG MODE” screen.
3. Touch item to be tested and check operation of the selected item.
4. During the operation check, touching “OFF” deactivates the operation.
Display Item List
NOTE: 1. Vehicles without daytime light lamp system display this item, but cannot be tested.
2. This item is displayed, but cannot be tested.
LIGHT SW 1 ST “ON/OFF”
Displays status (lighting switch 1ST or 2ND position: ON/Others: OFF) of lighting switch
judged from lighting switch signal.
AUTO LIGHT SW
NOTE 1 “ON/OFF” Displays status of lighting switch as judged from lighting switch signal. (AUTO position:
ON/Other than AUTO position: OFF)
PASSING SW “ON/OFF” Displays status (flash-to-pass switch: ON/Others: OFF) of flash-to-pass switch judged from
lighting switch signal.
FR FOG SW “ON/OFF” Displays status (front fog lamp switch: ON/Others: OFF) of front fog lamp switch judged
from lighting switch signal.
RR FOG SW
NOTE 3“OFF” —
DOOR SW - DR “ON/OFF” Displays status of driver door as judged from driver door switch signal. (Door is open: ON/
Door is closed: OFF)
DOOR SW - AS “ON/OFF” Displays status of passenger door as judged from passenger door switch signal. (Door is
open: ON/Door is closed: OFF)
DOOR SW - RR “ON/OFF” Displays status of rear door as judged from rear door switch (RH) signal. (Door is open:
ON/Door is closed: OFF)
DOOR SW - RL “ON/OFF” Displays status of rear door as judged from rear door switch (LH) signal. (Door is open:
ON/Door is closed: OFF)
BACK DOOR SW “ON/OFF” Displays status of back door as judged from back door switch signal. (Door is open: ON/
Door is closed: OFF)
TURN SIGNAL R “ON/OFF” Displays status (Turn right: ON/Others: OFF) as judged from lighting switch signal.
TURN SIGNAL L “ON/OFF” Displays status (Turn left: ON/Others: OFF) as judged from lighting switch signal.
ENGINE RUN
NOTE 2“ON/OFF” Displays status (Engine running: ON/Others: OFF) as judged from engine status signal.
PKB SW
NOTE 2“ON/OFF” Displays status (Parking brake switch: ON/Others: OFF) as judged from parking brake
switch signal.
CARGO LAMP SW
NOTE 3 “OFF” —
OPTICAL SENSOR
NOTE 1 “0 - 5 V” Displays “outside brightness (close to 5 V when light/close to 0 V when dark)” judged from
optical sensor signal.
Monitor item Contents
Test item Description
TAIL LAMP Allows tail lamp relay to operate by switching ON-OFF.
HEAD LAMP Allows headlamp relay to operate by switching ON-OFF.
FR FOG LAMP Allows front fog lamp relay to operate by switching ON-OFF.
DTRL
NOTE 1Allows daytime light lamp operate by switching ON-OFF
CORNERING LAMP
NOTE 2—

LT-34
HEADLAMP - XENON TYPE -
Revision: 2006 December 2006 FX35/FX45
Aiming AdjustmentNKS002VS
PREPARATION BEFORE ADJUSTING
For details, refer to the regulations in your own country.
Before performing aiming adjustment, check the following.
1. Keep all tires inflated to correct pressures.
2. Place vehicle on level ground.
3. Set that there is no-load in vehicle other than the driver (or equivalent weight placed in driver's position). Coolant, engine oil filled up to correct level and full fuel tank.
LOW BEAM AND HIGH BEAM
1. Turn headlamp low beam ON.
CAUTION:
Be sure aiming switch is set to “0” when performing aiming
adjustment.
2. Use adjusting screws to perform aiming adjustment.
PKIC9684E
PKIB3650E

DAYTIME LIGHT SYSTEM LT-39
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Revision: 2006 December 2006 FX35/FX45
DAYTIME LIGHT SYSTEMPFP:284B2
Component Parts and Harness Connector LocationNKS002VW
System DescriptionNKS002VX
Daytime light system turns ON daytime light lamps while driving. Daytime light lamps are not turned ON if
engine is activated with parking brake ON. Release parking brake to turn ON daytime light lamps. The lamps
turn OFF when the lighting switch is in the 2ND position or AUTO position (headlamp is ON) and when the
lighting switch is in the PASSING position (daytime light lamps are not turned OFF only by parking brake
itself).
The parking brake signal and engine run or stop signal are sent to BCM (body control module) by CAN com-
munication line, and control daytime light system.
OUTLINE
Power is supplied at all times

through 10A fuse [No. 19, located in fuse block (J/B)]

to combination meter terminal 8,

through 15A fuse [No. 22, located in fuse block (J/B)]

to BCM terminal 42,

through 50A fusible link (letter M, located in fuse, fusible link and relay box)
PKIC9686E