
GW-106
REAR WINDOW DEFOGGER
Revision: 2004 November 2004 FX35/FX45
2. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between door mirror (passenger side) connec-
tor D32 terminal 2 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between door mirror (passen-
ger side) and ground.
3. CHECK DOOR MIRROR DEFOGGER
1. Connector door mirror connector.
2. Check continuity between each door mirror connector D32 (pas-
senger side) terminals 1 and 2.
OK or NG
OK >> Check condition of harness and connector.
NG >> Replace door mirror (passenger side).
Rear Window Defogger Signal CheckAIS004RG
1. CHECK REAR WINDOW DEFOGGER SWITCH LAMP
A/C and AV switch self-diagnosis is performed. Refer to AV- 3 5 , "
A/C and AV Switch Self-Diagnosis Function"
Does rear window defogger switch light?
YES >> GO TO 2.
NO >> Replace A/C and AV switch.
2. CHECK AV COMMUNICATION LINE
AV communication line check is performed. Refer to AV- 8 4 , "
A/C and AV Switch Does Not Operate"
Is rear window defogger displayed on the display?
YES >> GO TO 3.
NO >> Replace display control unit.
3. CHECK CAN COMMUNICATION LINE
CAN communication line check is performed. Refer toAV- 8 5 , "
CAN Communication Line Inspection"
OK or NG
OK >> Check condition of harness and connector.
NG >> In addition, it is necessary to check CAN communication line. Refer to AV- 8 5 , "
CAN Communica-
tion Line Inspection"
2 (B) – Ground : Continuity should exist.
PIIA6214E
1 (L) – 2 (B) : Continuity should exist.
PIIA6215E

GW-108
REAR WINDOW DEFOGGER
Revision: 2004 November 2004 FX35/FX45
REPAIRING PROCEDURE
1. Wipe broken heat wire and its surrounding area clean with a
cloth dampened in alcohol.
2. Apply a small amount of conductive silver composition to tip of
drawing pen.
Shake silver composition container before use.
3. Place ruler on glass along broken line. Deposit conductive silver
composition on break with drawing pen. Slightly overlap existing
heat wire on both sides [preferably 5 mm (0.20 in)] of the break.
4. After repair has been completed, check repaired wire for conti-
nuity. This check should be conducted 10 minutes after silver
composition is deposited.
Do not touch repaired area while test is being conducted.
5. Apply a constant stream of hot air directly to the repaired area
for approximately 20 minutes with a heat gun. A minimum dis-
tance of 3 cm (1.2 in) should be kept between repaired area and
hot air outlet.
If a heat gun is not available, let the repaired area dry for 24
hours.
PIIA0215E
SEL012D
SEL013D
![INFINITI FX35 2004 Service Manual LAN-8
[CAN]
CAN COMMUNICATION
Revision: 2004 November 2004 FX35/FX45
Position light request signal R T R R
Low beam request signal T R
Low beam status signal RT
High beam request signal T R R
High bea INFINITI FX35 2004 Service Manual LAN-8
[CAN]
CAN COMMUNICATION
Revision: 2004 November 2004 FX35/FX45
Position light request signal R T R R
Low beam request signal T R
Low beam status signal RT
High beam request signal T R R
High bea](/manual-img/42/57021/w960_57021-3308.png)
LAN-8
[CAN]
CAN COMMUNICATION
Revision: 2004 November 2004 FX35/FX45
Position light request signal R T R R
Low beam request signal T R
Low beam status signal RT
High beam request signal T R R
High beam status signal RT
Front fog light request signal T R
Day time running light request signal T R
Turn LED burnout status signal R T
Vehicle speed signalRT
RRRR T R
Sleep wake up signal T R R
Door switch signal R T R R R
Turn indicator signal T R
Key fob ID signal T R
Key fob door unlock signal T R
Oil pressure switch signalRT
TR
Buzzer output signal T R
Fuel level sensor signal R T
Fuel level low warning signal R T
ASCD SET lamp signal T R
ASCD CRUISE lamp signal T R
Malfunction indicator lamp signal T R
ASCD operation signal T R
ASCD OD cancel request signal T R
Front wiper request signal T R
Front wiper stop position signal R T
Rear window defogger switch signal T R
Rear window defogger control signal R R R T
Hood switch signal R T
Theft warning horn request signal T R
Horn chirp signal T R
Steering angle sensor signal T R
ABS warning lamp signalRT
VDC OFF indicator lamp signal R T
SLIP indicator lamp signalRT
Brake warning lamp signal R T
System setting signalTR R
RT T
A/T CHECK indicator lamp signal T RSignals ECM TCMDis-
play
unitBCMSteer-
ing
angle
sensorUnified
meter
and
A/C
amp.ABS
actua-
tor and
electric
unit
(con-
trol
unit)Driver
seat
control
unitIPDM
E/R
![INFINITI FX35 2004 Service Manual LAN-10
[CAN]
CAN COMMUNICATION
Revision: 2004 November 2004 FX35/FX45
A/T self-diagnosis signal R T
Accelerator pedal posi-
tion signal TR R R
Closed throttle position
signalTR R
Wide open throttle p INFINITI FX35 2004 Service Manual LAN-10
[CAN]
CAN COMMUNICATION
Revision: 2004 November 2004 FX35/FX45
A/T self-diagnosis signal R T
Accelerator pedal posi-
tion signal TR R R
Closed throttle position
signalTR R
Wide open throttle p](/manual-img/42/57021/w960_57021-3310.png)
LAN-10
[CAN]
CAN COMMUNICATION
Revision: 2004 November 2004 FX35/FX45
A/T self-diagnosis signal R T
Accelerator pedal posi-
tion signal TR R R
Closed throttle position
signalTR R
Wide open throttle posi-
tion signalTR
Battery voltage signal T R
Key switch signal T R
Ignition switch signal T R R
P range signal T R R R
Stop lamp switch signal R T
ABS operation signal R T
TCS operation signal R T
VDC operation signal R T
Fuel consumption moni-
tor signalTR
RT
Turbine revolution signal R T R
Output shaft revolution
signalRT R
A/C switch signal R T
A/C compressor request
signalTR
A/C compressor feed-
back signalTR
Blower fan motor switch
signalRT
A/C switch/indicator sig-
nalTR
RT
Cooling fan speed
request signalTR
Position light request sig-
nalTR R
Low beam request signal T R
Low beam status signal RT
High beam request sig-
nalTR R
High beam status signal RT
Front fog light request
signalTR
Day time running light
request signalTR Signals ECM TCMDis-
play
con-
trol
unitLow
tire
pres-
sure
warn-
ing
con-
trol
unitICC
unitIntelli-
gent
Key
unitBCMSte er-
ing
angle
sen-
sorUni-
fied
meter
and
A/C
amp.ICC
sen-
sorABS
actu-
ator
and
elec-
tric
unit
(con-
trol
unit)Driver
seat
con-
trol
unitIPDM
E/R
![INFINITI FX35 2004 Service Manual LAN-14
[CAN]
CAN COMMUNICATION
Revision: 2004 November 2004 FX35/FX45
Input/output signal chart
T: Transmit R: Receive
Signals ECM TCMDis-
play
unitAWD
con-
trol
unitBCMSt e e r-
ing
angle
sens INFINITI FX35 2004 Service Manual LAN-14
[CAN]
CAN COMMUNICATION
Revision: 2004 November 2004 FX35/FX45
Input/output signal chart
T: Transmit R: Receive
Signals ECM TCMDis-
play
unitAWD
con-
trol
unitBCMSt e e r-
ing
angle
sens](/manual-img/42/57021/w960_57021-3314.png)
LAN-14
[CAN]
CAN COMMUNICATION
Revision: 2004 November 2004 FX35/FX45
Input/output signal chart
T: Transmit R: Receive
Signals ECM TCMDis-
play
unitAWD
con-
trol
unitBCMSt e e r-
ing
angle
sensorUni-
fied
meter
and
A/C
amp.ABS
actua-
tor
and
elec-
tric
unit
(con-
trol
unit)Driver
seat
con-
trol
unitIPDM
E/R
A/T self-diagnosis signal R T
Stop lamp switch signal R R T
Battery voltage signal T R
Key switch signal T R
Ignition switch signal T R R
P range signal T R R
Closed throttle position signal T R
Wide open throttle position signal T R
Engine speed signal T R R R R R
Engine status signal T R
Engine coolant temperature signal T R
Accelerator pedal position signal T R R R
Fuel consumption monitor signalTR
RT
Turbine revolution signal R T
Output shaft revolution signal R T
A/C switch signal R T
A/C compressor request signal TR
A/C compressor feedback signal T R
Blower fan motor switch signal R T
A/C switch/indicator signalTR
RT
Cooling fan speed request signal TR
Position light request signal R T R R
Low beam request signal T R
Low beam status signal RT
High beam request signal T R R
High beam status signal RT
Front fog light request signal T R
Day time running light request signal T R
Turn LED burnout status signal R T
Vehicle speed signalRRT
RRR R T R
Sleep wake up signal T R R
Door switch signal R T R R R
Turn indicator signal T R
Key fob ID signal T R
![INFINITI FX35 2004 Service Manual CAN COMMUNICATION
LAN-17
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: 2004 November 2004 FX35/FX45
Ignition switch signal T R R
P range signal T R R R
Closed throttle posi-
tion signalTR R
Wide open thr INFINITI FX35 2004 Service Manual CAN COMMUNICATION
LAN-17
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: 2004 November 2004 FX35/FX45
Ignition switch signal T R R
P range signal T R R R
Closed throttle posi-
tion signalTR R
Wide open thr](/manual-img/42/57021/w960_57021-3317.png)
CAN COMMUNICATION
LAN-17
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: 2004 November 2004 FX35/FX45
Ignition switch signal T R R
P range signal T R R R
Closed throttle posi-
tion signalTR R
Wide open throttle
position signalTR
Engine speed signal T R R R R R R
Engine status signal T R
Engine coolant tem-
perature signalTRR
Accelerator pedal
position signal TR R R R
Fuel consumption
monitor signalTR
RT
A/T self-diagnosis
signalRT
Turbine revolution
signalRT R
Output shaft revolu-
tion signalRT R
A/C switch signal R T
A/C compressor
request signalTR
A/C compressor
feedback signalTR
Blower fan motor
switch signalRT
A/C switch/indicator
signalTR
RT
Cooling fan speed
request signalTR
Position light request
signalRTRR
Low beam request
signalTR
Low beam status sig-
nalRT
High beam request
signalTR R
High beam status
signalRT
Front fog light
request signalTR Signals ECM TCMDis-
play
con-
trol
unitLow
tire
pres-
sure
warn-
ing
con-
trol
unitAW D
con-
trol
unitICC
unitIntel-
ligent
Key
unitBCMSteer-
ing
angle
sen-
sorUni-
fied
meter
and
A/C
amp.ICC
sen-
sorABS
actu-
ator
and
elec-
tric
unit
(con-
trol
unit)Driver
seat
con-
trol
unitIPDM
E/R
![INFINITI FX35 2004 Service Manual LAN-18
[CAN]
CAN COMMUNICATION
Revision: 2004 November 2004 FX35/FX45
Day time running
light request signalTR
Turn LED burnout
status signalRT
Vehicle speed signalRR R T
RR R R R R T R R
Sleep wake INFINITI FX35 2004 Service Manual LAN-18
[CAN]
CAN COMMUNICATION
Revision: 2004 November 2004 FX35/FX45
Day time running
light request signalTR
Turn LED burnout
status signalRT
Vehicle speed signalRR R T
RR R R R R T R R
Sleep wake](/manual-img/42/57021/w960_57021-3318.png)
LAN-18
[CAN]
CAN COMMUNICATION
Revision: 2004 November 2004 FX35/FX45
Day time running
light request signalTR
Turn LED burnout
status signalRT
Vehicle speed signalRR R T
RR R R R R T R R
Sleep wake up signalTR R
TR
Door switch signal R R T R R R
Key fob ID signal T R
Key fob door unlock
signalTR
Oil pressure switch
signalRT
TR
Buzzer output signalTR
TR
TR
Fuel level sensor sig-
nalRT
Fuel level low warn-
ing signalRT
ASCD SET lamp sig-
nalTR
ASCD CRUISE lamp
signalTR
Malfunction indicator
lamp signalTR
ICC operation signal R T
Front wiper request
signalRT R
Front wiper stop
position signalRT
Rear window defog-
ger switch signalTR
Rear window defog-
ger control signalRR R T
Hood switch signal R T
Theft warning horn
request signalTR
Horn chirp signal T R
Steering angle sen-
sor signalTR
Tire pressure signal T RSignals ECM TCMDis-
play
con-
trol
unitLow
tire
pres-
sure
warn-
ing
con-
trol
unitAWD
con-
trol
unitICC
unitIntel-
ligent
Key
unitBCMStee r-
ing
angle
sen-
sorUni-
fied
meter
and
A/C
amp.ICC
sen-
sorABS
actu-
ator
and
elec-
tric
unit
(con-
trol
unit)Driver
seat
con-
trol
unitIPDM
E/R

LT-2Revision: 2004 November 2004 FX35/FX45Preliminary Check .................................................. 46
CHECK POWER SUPPLY AND GROUND CIR-
CUIT .................................................................... 46
INSPECTION PARKING BRAKE SWITCH CIR-
CUIT .................................................................... 47
CONSULT-II Functions ........................................... 48
CONSULT-II BASIC OPERATION ....................... 48
DATA MONITOR .................................................. 49
ACTIVE TEST ..................................................... 50
Daytime Light Control Does Not Operate Properly ... 51
Aiming Adjustment .................................................. 53
Bulb Replacement .................................................. 53
Removal and Installation ........................................ 53
Disassembly and Assembly .................................... 53
AUTO LIGHT SYSTEM ............................................. 54
Component Parts and Harness Connector Location ... 54
System Description ................................................. 54
OUTLINE ............................................................. 54
COMBINATION SWITCH READING FUNCTION ... 55
EXTERIOR LAMP BATTERY SAVER CONTROL ... 55
DELAY TIMER FUNCTION ................................. 55
CAN Communication System Description .............. 55
CAN Communication Unit ....................................... 55
Major Components and Functions .......................... 55
Schematic ............................................................... 56
Wiring Diagram — AUTO/L — ................................ 57
Terminals and Reference Values for BCM .............. 60
Terminals and Reference Values for IPDM E/R ...... 61
How to Proceed With Trouble Diagnosis ................ 62
Preliminary Check .................................................. 62
SETTING CHANGE FUNCTIONS ....................... 62
CHECK POWER SUPPLY AND GROUND CIR-
CUIT .................................................................... 62
CONSULT-II Functions (BCM) ................................ 63
CONSULT-II BASIC OPERATION ....................... 64
WORK SUPPORT ............................................... 64
DATA MONITOR .................................................. 65
ACTIVE TEST ..................................................... 66
CONSULT-II Functions (IPDM E/R) ........................ 66
CONSULT-II OPERATION ................................... 66
SELF-DIAGNOSTIC RESULTS ........................... 67
DATA MONITOR .................................................. 67
ACTIVE TEST ..................................................... 68
Trouble Diagnosis Chart by Symptom .................... 68
Lighting Switch Inspection ...................................... 69
Optical Sensor System Inspection .......................... 69
Removal and Installation for Optical Sensor ........... 71
REMOVAL ........................................................... 71
INSTALLATION .................................................... 71
HEADLAMP AIMING CONTROL .............................. 72
Schematic ............................................................... 72
Wiring Diagram — H/AIM — ................................... 73
Removal and Installation ........................................ 76
REMOVAL ........................................................... 76
INSTALLATION .................................................... 76
Switch Circuit Inspection ........................................ 76
FRONT FOG LAMP .................................................. 77
Component Parts and Harness Connector Location ... 77
System Description ................................................. 77OUTLINE ............................................................. 77
COMBINATION SWITCH READING FUNCTION ... 78
EXTERIOR LAMP BATTERY SAVER CONTROL ... 78
CAN Communication System Description .............. 78
CAN Communication Unit ....................................... 78
Wiring Diagram — F/FOG — .................................. 79
Terminals and Reference Values for BCM .............. 81
Terminals and Reference Values for IPDM E/R ...... 82
How to Proceed With Trouble Diagnosis ................ 82
Preliminary Check ................................................... 82
CHECK POWER SUPPLY AND GROUND CIR-
CUIT ..................................................................... 82
CONSULT-II Functions ........................................... 83
Front Fog Lamps Do Not Illuminate (Both Sides) ... 84
Front Fog Lamp Does Not Illuminate (One Side) .... 86
Aiming Adjustment .................................................. 87
Bulb Replacement ................................................... 88
Removal and Installation ......................................... 88
REMOVAL ............................................................ 88
INSTALLATION .................................................... 88
TURN SIGNAL AND HAZARD WARNING LAMPS ... 89
Component Parts and Harness Connector Location ... 89
System Description ................................................. 89
OUTLINE ............................................................. 89
TURN SIGNAL OPERATION ............................... 89
HAZARD LAMP OPERATION ............................. 90
REMOTE CONTROL ENTRY SYSTEM OPER-
ATION .................................................................. 91
COMBINATION SWITCH READING FUNCTION ... 92
CAN Communication System Description .............. 92
CAN Communication Unit ....................................... 92
Schematic ............................................................... 93
Wiring Diagram — TURN — ................................... 94
Terminals and Reference Values for BCM .............. 97
How to Proceed With Trouble Diagnosis ................ 98
Preliminary Check ................................................... 99
CHECK POWER SUPPLY AND GROUND CIR-
CUIT ..................................................................... 99
CONSULT-II Functions .........................................100
CONSULT-II BASIC OPERATION .....................100
DATA MONITOR ................................................101
ACTIVE TEST ....................................................101
Turn Signal Lamp Does Not Operate ....................102
Rear Turn Signal Lamp Does Not Operate ...........103
Hazard Warning Lamp Does Not Operate But Turn
Signal Lamp Operate ............................................105
Turn Signal Indicator Lamp Does Not Operate .....107
Bulb Replacement (Front Turn Signal Lamp) ........107
Bulb Replacement (Rear Turn Signal Lamp) ........107
Removal and Installation of Front Turn Signal Lamp .107
Removal and Installation of Rear Turn Signal Lamp .107
Removal and Installation of Rear Combination
Lamp Control Unit .................................................107
REMOVAL ..........................................................107
INSTALLATION ..................................................107
LIGHTING AND TURN SIGNAL SWITCH ..............108
Removal and Installation .......................................108
REMOVAL ..........................................................108
INSTALLATION ..................................................108