ignition INFINITI FX35 2004 Service Manual

SRS-36
DRIVER AIR BAG MODULE
Revision: 2004 November 2004 FX35/FX45
DRIVER AIR BAG MODULEPFP:K8510
Removal and InstallationAHS000HW
REMOVAL
CAUTION:

Before servicing SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3
minutes.

Always work from the side of driver air bag module.
1. Remove the side lids.
2. Remove the right and left side special bolts (TORX bolts).
3. Lift up the driver air bag module.
4. Disconnect the air bag harness connector, and remove the
driver air bag module.
CAUTION:

For installing / removing driver air bag module connector,
insert thin screwdriver wrapped in tape into notch, lift
lock and remove connector.

Install connector with lock raised, and push lock into
connector.
PHIA0685E
1. Driver air bag module 2. Steering wheel 3. Special bolt (TORX bolt)
4. Side lid
PHIA0575E
PHIA0308E

SRS-38
SPIRAL CABLE
Revision: 2004 November 2004 FX35/FX45
SPIRAL CABLEPFP:25554
Removal and InstallationAHS000HX
REMOVAL
CAUTION:
Before servicing SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 min-
utes.
1. Remove driver air bag module. Refer to SRS-36, "
Removal and Installation" .
2. Set the steering wheel in the neutral position.
3. Remove steering wheel with steering wheel puller.
CAUTION:
Be careful not to over-tighten puller on steering wheel.
4. Remove the column covers.
5. Loosen the spiral cable fixing screws, and then remove the spiral cable.
CAUTION:

Do not disassemble spiral cable.

Do not apply lubricant to the spiral cable.
PHIA0309E
1. Steering wheel 2. Nut 3. Spiral cable
4. Driver air bag module connector 5. Screw 6. Wiper and washer switch
7. Lighting and turn signal switch 8. Column assembly 9. Column cover
10. Screw
PHIA0100E

SRS-40
FRONT PASSENGER AIR BAG MODULE
Revision: 2004 November 2004 FX35/FX45
FRONT PASSENGER AIR BAG MODULEPFP:K8515
Removal and InstallationAHS000HY
REMOVAL
CAUTION:

Before servicing SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3
minutes.

Always work from the side of or under front passenger air bag module.
1. Remove instrument passenger lower panel and glove box. Refer to IP-10, "
INSTRUMENT PANEL
ASSEMBLY" .
2. Remove display control unit, if navigation system is equipped.
3. Remove tire pressure warning control unit, if tire pressure warning control system is equipped.
4. Disconnect front passenger air bag module connector.
5. Remove the front passenger air bag module fixing nuts and bolt,
then remove front passenger air bag module.
CAUTION:

Always place front passenger air bag module with caution
label side facing upward.

Do not insert any foreign objects (screwdriver, etc.) into
front passenger air bag module.

Do not disassemble front passenger air bag module.

Do not use old bolts after removal; replace with new bolts.

Replace front passenger air bag module if it has been
dropped or sustained an impact.

Do not expose the front passenger air bag module to tem-
peratures exceeding 90°C (194°F).

Do not allow oil, grease or water to come in contact with the
front passenger air bag module.

After front passenger air bag module inflates, the instru-
ment panel assembly should be replaced.
INSTALLATION
Install in the reverse order of removal.
CAUTION:

Always work from the side of or under front passenger air bag module.

After the work is completed, perform self-diagnosis to make sure no malfunction is detected.
Refer to SRS-17, "
SRS Operation Check" .
PHIA0322E
PHIA0325E
SBF814E

FRONT SIDE AIR BAG MODULE
SRS-41
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SRS
Revision: 2004 November 2004 FX35/FX45
FRONT SIDE AIR BAG MODULEPFP:K8EH0
Removal and InstallationAHS000HZ
REMOVAL
CAUTION:

Removal of front side air bag module should only be done to allow deployment of front side air
bag module prior to disposal of seatback only. Only complete seatback assemblies can be
replaced. Refer to SE-101, "
Removal and Installation" .

Before servicing SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3
minutes.

Always work from the rear of the front side air bag module.
1. Remove front seat. Refer to SE-101, "
FRONT SEAT" .
2. Remove seatback trim and pad. Refer to SE-104, "
REMOVAL OF SEATBACK TRIM AND PAD" .
3. Remove front side air bag module harness clips.
4. Remove front side air bag module assembly fixing special nuts,
then remove front side air bag module assembly.
5. Remove front side air bag module fixing special nuts, then
remove front side air bag module from bracket.
CAUTION:

Always place the front side air bag module standing with
the stud bolt side facing down.

Do not insert any foreign objects (screwdrivers) into front
side air bag module.

Do not disassemble front side air bag module.
PHIA0330E
PHIA0327E
SRS623

SIDE CURTAIN AIR BAG MODULE
SRS-43
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SRS
Revision: 2004 November 2004 FX35/FX45
SIDE CURTAIN AIR BAG MODULEPFP:985P0
Removal and InstallationAHS000I0
REMOVAL
CAUTION:

Before servicing SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3
minutes.

Always work from the side of the side curtain air bag module.
1. Remove headlining. Refer to EI-42, "
Removal and Installation" .
2. Disconnect side curtain air bag connector.
3. Remove side curtain air bag module fixing bolts, and remove the side curtain air bag module.
CAUTION:

Always place the side curtain air bag module with the warn-
ing label facing upward.

Do not disassemble side curtain air bag module.

Do not insert any foreign objects (screwdriver, etc.) into air
bag module connector.

Replace side curtain air bag module if it has been dropped
or sustained an impact.

Do not expose the air bag module to temperatures exceed-
ing 90°C (194°F).

Do not allow oil, grease or water to come in contact with the
side curtain air bag module.
1. Side curtain air bag Inflator 2. Side curtain air bag 3. Bolt
4. Assist grip bracket 5. Bolt (There is no torque control)
PHIA0656E
PHIA0317E
SBF814E

CRASH ZONE SENSOR
SRS-45
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SRS
Revision: 2004 November 2004 FX35/FX45
CRASH ZONE SENSORPFP:98531
Removal and InstallationAHS000I1
REMOVAL
CAUTION:
Before servicing SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 min-
utes.
1. Remove front grille. Refer to EI-23, "
Removal and Installation" .
2. Remove crash zone sensor connector.
3. Remove crash zone sensor fixing nuts.
CAUTION:

Replace crash zone sensor if it has been dropped or sustained an impact.

Do not disassemble crash zone sensor.
INSTALLATION
Install in the reverse order of removal.
CAUTION:

Check crash zone sensor for proper installation.

After the work is complete, perform self-diagnosis to make sure that no malfunction is detected.
Refer to SRS-17, "
SRS Operation Check" .
PHIA0316E

SRS-46
SIDE AIR BAG (SATELLITE) SENSOR
Revision: 2004 November 2004 FX35/FX45
SIDE AIR BAG (SATELLITE) SENSORPFP:98830
Removal and InstallationAHS000I2
REMOVAL
CAUTION:
Before servicing SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 min-
utes.
1. Remove seat belt pre-tensioner. Refer to SB-4, "
Removal and Installation of Front Seat Belt" .
2. Remove side air bag (Satellite) sensor fixing nuts.
3. Remove the side air bag (Satellite) sensor connector.
CAUTION:

Do not use old nuts; replace with new ones.

Check side air bag (Satellite) sensor to ensure it is free of deformities, dents, cracks or rust. If it
shows any visible signs of damage, replace it with new one.

Do not disassemble side air bag (Satellite) sensor.

Replace side air bag (Satellite) sensor if it has been dropped or sustained an impact.
INSTALLATION
Install in the reverse order of removal.
CAUTION:

Check side air bag (Satellite) sensor for proper installation.

After replacement of side air bag (Satellite) sensor, perform self-diagnosis to make sure that no
malfunction is detected. Refer to SRS-17, "
SRS Operation Check" .
PHIA0314E

SRS-48
DIAGNOSIS SENSOR UNIT
Revision: 2004 November 2004 FX35/FX45
DIAGNOSIS SENSOR UNITPFP:28556
Removal and InstallationAHS000I4
REMOVAL
CAUTION:
Before servicing SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 min-
utes.
1. Disconnect each harness connector for the air bag module and seat belt pre-tensioner.
2. Remove A/T select lever knob. Refer to IP-12, "
(D) A/T Select Lever Knob" .
3. Remove Instrument clock finisher. Refer to IP-12, "
(E) Instrument Clock Finisher" .
4. Remove A/T console finisher. Refer to IP-12, "
(F) A/T Console Finisher" .
5. Remove console finisher (RH/LH). Refer to IP-12, "
(G) Console Finisher (LH/RH)" .
6. Remove center console. Refer to IP-12, "
(H) Center Console" .
7. Disconnect diagnosis sensor unit connector.
8. Remove special bolts from the diagnosis sensor unit.
CAUTION:

Do not use old bolts. Replace with new ones.

Check diagnosis sensor unit bracket to ensure it is free of
deformities, dents, cracks or rust. If it shows any visible
things of damage, replace with new one.

Replace diagnosis sensor unit if it has been dropped or
sustained an impact.
INSTALLATION
Install in the reverse order of removal.
CAUTION:

Check the diagnosis sensor unit for proper installation.

After replacement of diagnosis sensor unit, perform self-diagnosis to make sure that no malfunc-
tion is detected. Refer to SRS-17, "
SRS Operation Check" .
ECU DISCRIMINATED NO.
After replacing the diagnosis sensor unit, confirm that the diagnosis sensor unit identification is correct for the
vehicle as equipped.
PHIA0315E
Specification ECU DISCRIMINATED No.
Models with driver and passenger air bags, seat belt pre-tensioner, side air bags and curtain air bags FB02

TF-1
TRANSFER
D DRIVELINE/AXLE
CONTENTS
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SECTION TF
A
B
TF
Revision: 2004 November 2004 FX35/FX45
TRANSFER
PRECAUTIONS .......................................................... 3
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” .................................................................. 3
Precautions .............................................................. 3
Service Notice .......................................................... 4
Wiring Diagrams and Trouble Diagnosis .................. 4
PREPARATION ........................................................... 5
Special Service Tools ............................................... 5
Commercial Service Tools ........................................ 6
NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING ................................................ 7
NVH Troubleshooting Chart ..................................... 7
TRANSFER FLUID ..................................................... 8
Replacement ............................................................ 8
DRAINING ............................................................. 8
FILLING ................................................................. 8
Inspection ................................................................. 8
FLUID LEAKAGE AND FLUID LEVEL .................. 8
AWD SYSTEM ............................................................ 9
Power Transfer Diagram .......................................... 9
System Description .................................................. 9
DESCRIPTION ...................................................... 9
ELECTRIC CONTROLLED COUPLING ............. 10
AWD CONTROL UNIT ........................................ 10
AWD WARNING LAMP ........................................ 11
System Diagram ...................................................... 11
COMPONENTS FUNCTION DESCRIPTION ..... 12
CAN Communication .............................................. 12
SYSTEM DESCRIPTION .................................... 12
TROUBLE DIAGNOSIS ............................................ 13
Fail-Safe Function .................................................. 13
How to Perform Trouble Diagnosis ........................ 13
BASIC CONCEPT ............................................... 13
Location of Electrical Parts ..................................... 14
Circuit Diagram ...................................................... 15
Wiring Diagram — AWD — .................................... 16
Trouble Diagnosis Chart for Symptoms ................. 19
AWD Control Unit Input/Output Signal Reference
Values .................................................................... 19AWD CONTROL UNIT INSPECTION TABLE ..... 19
CONSULT-II Function (ALL MODE AWD/4WD) ..... 21
FUNCTION .......................................................... 21
CONSULT-II SETTING PROCEDURE ................ 21
SELF-DIAG RESULT MODE ............................... 21
DATA MONITOR MODE ...................................... 23
ACTIVE TEST MODE ......................................... 24
AWD CONTROL UNIT PART NUMBER ............. 24
TROUBLE DIAGNOSIS FOR SYSTEM .................... 25
Power Supply Circuit For AWD Control Unit ........... 25
CONSULT-II REFERENCE VALUE IN DATA
MONITOR MODE ................................................ 25
DIAGNOSTIC PROCEDURE .............................. 25
AWD Control Unit ................................................... 26
DIAGNOSTIC PROCEDURE .............................. 26
ABS System ........................................................... 26
DIAGNOSTIC PROCEDURE .............................. 26
AWD Solenoid ........................................................ 27
CONSULT-II REFERENCE VALUE IN DATA
MONITOR MODE ................................................ 27
DIAGNOSTIC PROCEDURE .............................. 27
COMPONENT INSPECTION .............................. 29
AWD Actuator Relay ............................................... 30
CONSULT-II REFERENCE VALUE IN DATA
MONITOR MODE ................................................ 30
DIAGNOSTIC PROCEDURE .............................. 30
Engine Control Signal ............................................. 31
DIAGNOSTIC PROCEDURE .............................. 31
CAN Communication Line ...................................... 31
DIAGNOSTIC PROCEDURE .............................. 31
TROUBLE DIAGNOSIS FOR SYMPTOMS .............. 32
AWD Warning Lamp Does Not Turn ON When The
Ignition Switch Is Turned To ON ............................. 32
DIAGNOSTIC PROCEDURE .............................. 32
AWD Warning Lamp Does Not Turn OFF Several
Seconds After Engine Started ................................ 32
DIAGNOSTIC PROCEDURE .............................. 32
Heavy Tight-corner Braking Symptom Occurs
When The Vehicle Is Driven And The Steering
Wheel Is Turned Fully To Either Side After The

TF-2Revision: 2004 November 2004 FX35/FX45Engine Is Started .................................................... 34
DIAGNOSTIC PROCEDURE .............................. 34
Vehicle Does Not Enter AWD Mode Even Though
AWD Warning Lamp Turned To OFF ...................... 35
DIAGNOSTIC PROCEDURE .............................. 35
While Driving, AWD Warning Lamp Flashes Rapidly
(When Flashing In Approx. 1 Minute And Then Turn-
ing OFF) ................................................................. 36
While Driving, AWD Warning Lamp Flashes Slowly
(When Continuing To Flash Until Turning Ignition
Switch OFF) ............................................................ 36
DIAGNOSTIC PROCEDURE .............................. 36
AWD CONTROL UNIT .............................................. 38
Removal and Installation ........................................ 38
REMOVAL ........................................................... 38
INSTALLATION .................................................... 38
FRONT OIL SEAL ..................................................... 39
Removal and Installation ........................................ 39
REMOVAL ........................................................... 39
INSTALLATION .................................................... 39REAR OIL SEAL ....................................................... 40
Removal and Installation ......................................... 40
REMOVAL ............................................................ 40
INSTALLATION .................................................... 41
AIR BREATHER HOSE ............................................. 42
Removal and Installation ......................................... 42
TRANSFER ASSEMBLY ........................................... 43
Removal and Installation ......................................... 43
REMOVAL ............................................................ 43
INSTALLATION .................................................... 43
Components ............................................................ 44
Disassembly and Assembly .................................... 45
DISASSEMBLY .................................................... 45
INSPECTION ....................................................... 49
ASSEMBLY .......................................................... 49
SERVICE DATA AND SPECIFICATIONS (SDS) ...... 55
General Specifications ............................................ 55