2004 INFINITI FX35 Service Manual

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Page 4313 of 4449

INFINITI FX35 2004 Service Manual TF-12
AWD SYSTEM
Revision: 2004 November 2004 FX35/FX45
COMPONENTS FUNCTION DESCRIPTION
CAN CommunicationADS000RY
SYSTEM DESCRIPTION
CAN (Controller Area Network) is a serial communication line for r

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INFINITI FX35 2004 Service Manual TROUBLE DIAGNOSIS
TF-13
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Revision: 2004 November 2004 FX35/FX45
TROUBLE DIAGNOSISPFP:00004
Fail-Safe FunctionADS000S1
If any malfunction occurs in AWD electrical system, and

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INFINITI FX35 2004 Service Manual TF-14
TROUBLE DIAGNOSIS
Revision: 2004 November 2004 FX35/FX45
Location of Electrical PartsADS000ST
SDIA2272E

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INFINITI FX35 2004 Service Manual TROUBLE DIAGNOSIS
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Revision: 2004 November 2004 FX35/FX45
Circuit DiagramADS000RZ
TDWM0015E

Page 4317 of 4449

INFINITI FX35 2004 Service Manual TF-16
TROUBLE DIAGNOSIS
Revision: 2004 November 2004 FX35/FX45
Wiring Diagram — AWD —ADS000S0
TDWM0012E

Page 4318 of 4449

INFINITI FX35 2004 Service Manual TROUBLE DIAGNOSIS
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Revision: 2004 November 2004 FX35/FX45
TDWM0016E

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INFINITI FX35 2004 Service Manual TF-18
TROUBLE DIAGNOSIS
Revision: 2004 November 2004 FX35/FX45
TDWM0017E

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INFINITI FX35 2004 Service Manual TROUBLE DIAGNOSIS
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Revision: 2004 November 2004 FX35/FX45
Trouble Diagnosis Chart for SymptomsADS000S3
If AWD warning lamp turns ON, perform self-diagnosis. Refer to TF-

TROUBLE DIAGNOSIS
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Revision: 2004 November 2004 FX35/FX45
Trouble Diagnosis Chart for SymptomsADS000S3
If AWD warning lamp turns ON, perform self-diagnosis. Refer to TF-21, "SELF-DIAG RESULT MODE" .
NOTE:
Light tight-corner braking symptom may occur depending on driving conditions. This is not malfunction.
AWD Control Unit Input/Output Signal Reference ValuesADS000S4
AWD CONTROL UNIT INSPECTION TABLE
Specifications with CONSULT-II
Symptom Condition Check items Reference page
AWD warning lamp does not turn ON when
the ignition switch is turned to ON.
(AWD warning lamp check)Ignition switch: ONCAN communication line
TF-32
Unified meter and A/C amp.
Unified meter control unit
AWD warning lamp does not turn OFF sev-
eral seconds after engine started.Engine runningCAN communication line
TF-32
Power supply and ground for AWD con-
trol unit
Unified meter and A/C amp.
Unified meter control unit
AWD solenoid
AWD actuator relay (integrated in AWD
control unit)
Wheel sensor
Heavy tight-corner braking symptom occurs
when the vehicle is driven and the steering
wheel is turned fully to either side after the
engine is started. (See NOTE.)
While driving
Steering wheel is
turned fully to either
sidesCAN communication line
TF-34Accelerator pedal position signal
AWD solenoid
Mechanical malfunction of electric con-
trolled coupling (clutch sticking etc.)
Vehicle does not enter AWD mode even
though AWD warning lamp turned to OFF.While drivingAWD solenoid
TF-35
Mechanical malfunction of electric con-
trolled coupling (Mechanical engage-
ment of clutch is not possible.)
While driving, AWD warning lamp flashes
rapidly. (When flashing in approx. 1 minute
and then turning OFF.)
Rapid flashing: 2 times/secondWhile drivingProtection function is activated due to
heavy load to electric controlled cou-
pling. (AWD system is not malfunction-
ing. Also, optional distribution of torque
sometimes becomes rigid before lamp
flashes rapidly, but it is not malfunction.)TF-36
While driving, AWD warning lamp flashes
slowly. (When continuing to flash until turn-
ing ignition switch OFF)
Slow flashing: 1 time/2 secondsWhile driving
Vehicle speed: 20 km/h
(12 MPH) or moreTire size is different between front and
rear of vehicle.TF-36
Monitored item [Unit] Content Condition Display value
FR RH SENSOR [km/h] or [mph]Wheel speed (Front wheel
right)Vehicle stopped 0.00 km/h (0.00 mph)
Vehicle running
CAUTION:
Check air pressure of tire under
standard condition.Approximately equal to
the indication on speed-
ometer (Inside of ±10%)
FR LH SENSOR [km/h] or [mph]Wheel speed (Front wheel
left)Vehicle stopped 0.00 km/h (0.00 mph)
Vehicle running
CAUTION:
Check air pressure of tire under
standard condition.Approximately equal to
the indication on speed-
ometer (Inside of ±10%)

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