2004 INFINITI FX35 light

SYSTEM DESCRIPTION
BRC-9
[VDC/TCS/ABS]
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Revision: 2004 November 2004 FX35/FX45

When starting engine, or just after starting vehicle, brake pedal may vibrate or motor operating noises
may be heard from engine compartment. This is a normal status of operation check.

Stopping distance may be longer than that of vehicles without ABS when vehicle drives on rough, gravel,
or snow-covered (fresh, deep snow) roads.
EBD FunctionAFS001SF

Electronic brake distributor is a function that detects subtle slippages between front and rear wheels dur-
ing braking, and it improves handling stability by electronically controlling the brake fluid pressure which
results in reduced rear wheel slippage.

In case of electrical system break down, the fail-safe function is activated, EBD and ABS becomes inoper-
ative, and ABS warning lamp and brake warning lamp are turned on.

Electrical system diagnosis by CONSULT-II is available.

During EBD operation, brake pedal lightly vibrates and a mechanical noise may be heard. This is normal.

When starting engine, or just after starting vehicle, brake pedal may vibrate or motor operating noises
may be heard from engine compartment. This is a normal status of operation check.

Stopping distance may be longer than that of vehicles without EBD when vehicle drives on rough, gravel,
or snow-covered (fresh, deep snow) roads.
Fail-Safe FunctionAFS001SG
VDC / TCS SYSTEM
In case of malfunction in the VDC/TCS system, VDC OFF indicator lamp and SLIP indicator lamp are turned
on, and the condition of vehicle is the same as the condition of vehicles without VDC/TCS system. In case of
malfunction in the VDC/TCS system, the ABS control continues to operate normally without VDC/TCS control.
CAUTION:
If the fail-safe function is activated, then perform the self-diagnosis for VDC/TCS/ABS control system.
ABS, EBD SYSTEM
In case of electrical malfunctions with the ABS, ABS warning lamp, VDC OFF indicator lamp and SLIP indica-
tor lamp will turn on. In case of electrical malfunctions with the EBD, brake warning lamp, ABS warning lamp,
VDC OFF indicator lamp and SLIP indicator lamp will turn on. Simultaneously, the VDC/TCS/ABS become one
of the following conditions of the fail-safe function.
1. For malfunction of ABS, only the EBD is activated and the condition of vehicle is the same condition of
vehicles without TCS/ABS system.
2. For malfunction of EBD, EBD and ABS become inoperative, and the condition of vehicle is the same as
the condition of vehicles without TCS/ABS, EBD system.
NOTE:
In condition 1 described above, an ABS self-diagnosis sound may be heard. That is a normal condition
because a self-diagnosis for “Key Switch ON” and “the First Starting” are being performed.

TROUBLE DIAGNOSIS
BRC-35
[VDC/TCS/ABS]
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Revision: 2004 November 2004 FX35/FX45
For Fast and Accurate DiagnosisAFS001SR
PRECAUTIONS FOR DIAGNOSIS

Before performing diagnosis, always read precautions. Refer to BRC-12, "How to Proceed With Diagno-
sis" .

If ABS actuator and electric unit (control unit), steering angle sensor, steering system parts or suspension
system parts have been replaced, or if alignment has been adjusted, be sure to adjust neutral position of
steering angle sensor before driving. Refer to BRC-6, "
Adjustment of Steering Angle Sensor Neutral Posi-
tion" .

After diagnosis is finished, be sure to erase memory. Refer to BRC-27, "SELF-DIAGNOSIS" .

When checking continuity and voltage between units, be sure to check for disconnection, looseness,
bend, or collapse of connector terminals. If any malfunction is found, repair or replace connector termi-
nals.

For intermittent symptoms, possible cause is malfunction in harness, harness connector, or terminals.
Move harness, harness connector, and terminals to check for poor connections.

If a circuit tester is used for the check, be careful not to forcibly extend any connector terminal.

To use CONSULT-II to perform self-diagnosis of ABS actuator and electric unit (control unit), active tests,
or work support, first stop work, then connect CONSULT-II and select “ABS”.

While self-diagnostic results of CONSULT-II shows malfunction, if CONSULT-II active test is performed,
an engine system error may be indicated. In this case, start engine to resume the normal screen.

VDC/TCS/ABS system electronically controls brake operation and engine output. The following symptoms
may be caused by normal operations:
Symptom Symptom description Result
Motor operation noiseThis is noise of motor inside ABS actuator and electric unit (control unit).
Slight noise may occur during VDC, TCS, and ABS operation.
Normal
When the vehicle speed goes over 20 km/h (12.5 MPH), motor and
valves operating noise may be heard. It happens only once after IGN
(ignition) is ON. This is a normal status of the system operation check.
System operation check
noiseWhen engine starts, slight “click” noise may be heard from engine room.
This is normal and is part of system operation check.Normal
VDC/TCS operation
(SLIP indicator lamp blink-
ing)TCS may activate momentarily if wheel speed changes when driving
over location where friction coefficient varies, when up/downshifting, or
when fully depressing accelerator pedal.
Normal
Cancel the VDC/TCS
function for the
inspection on a chas-
sis dynamometer. For inspection of speedometer or other instruments, press
VDC OFF SW to turn VDC/TCS function off.
When accelerator pedal is depressed on a chassis dynamometer (fixed
front-wheel type), vehicle speed will not increase. This is not normal. It is
result of TCS being activated by stationary front wheels. Warning lamp
may also illuminate to indicate “sensor system error”. This is also nor-
mal, and is the result of the stationary front wheels being detected. To be
certain, restart engine, and drive vehicle at 30 km/h (19 MPH) or more.
Make sure warning lamp does not illuminate.
ABS operation (Longer stop-
ping distance)On roads with low friction coefficients, such as snowy roads or gravel
roads, vehicles with ABS may require a longer stopping distance. There-
fore, when driving on such roads, avoid overconfidence and keep speed
sufficiently low.Normal
Insufficient feeling of accel-
erationDepending on road conditions, driver may feel that feeling of accelera-
tion is insufficient. This is because traction control, which controls
engine and brakes to achieve optimal traction, has the highest priority
(for safety). As a result, there may be times when acceleration is slightly
less than usual for the same accelerator pedal operation.Normal

TROUBLE DIAGNOSIS
BRC-55
[VDC/TCS/ABS]
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Revision: 2004 November 2004 FX35/FX45
Symptom 5: Pedal Vibration or ABS Operation Sound OccursAFS001TB
CAUTION:
Under the following conditions, when brake pedal is lightly depressed (just place a foot on it), ABS is
activated and vibration is felt. However, this is normal.

When shifting gears

When driving on slippery road

During cornering at high speed

When passing over bumps or grooves

When pulling away just after starting engine [at approximately 10 km/h (6MPH) or higher]
1. SYMPTOM CHECK 1
Check if pedal vibration or operation sound occurs when engine is started.
OK or NG
OK >> Perform self-diagnosis. Refer to BRC-27, "SELF-DIAGNOSIS" .
NG >> GO TO 2.
2. SYMPTOM CHECK 2
Check symptom when electrical component (headlamps, etc.) switches are operated.
Does the symptom occur when the electrical component (head lamp, etc.) switches are operated?
YES >> Check if there is a radio, antenna, antenna lead wire, or wiring close to ABS actuator and electric
unit (control unit) (or its wiring), and if there is, move it farther away.
NO >> GO TO symptom 1 “Step 2”. Refer to BRC-53, "
Symptom 1: Excessive ABS Function Operation
Frequency" .
Symptom 6: Vehicle Jerks During VDC/TCS/ABS ControlAFS001TC
1. CHECK ENGINE SPEED SIGNAL
Perform CONSULT-II “DATA MONITOR” to check engine speed.
Is engine speed at idle 400 rpm or higher?
YES >> GO TO 3.
NO >> GO TO 2.
2. ABS WARNING LAMP DISPLAY CHECK
Make sure warning lamp turns off approximately 2 sec. After turn ignition switch ON or when driving.
OK or NG
OK >> System is normal.
NG >> GO TO 3.
3. CHECK ECM SELF-DIAGNOSTIC RESULTS
Perform ECM self-diagnosis.
Are self-diagnosis items displayed?
YES >> Check the corresponding items. Refer to EC-77, "TROUBLE DIAGNOSIS" (VQ35DE), EC-726,
"TROUBLE DIAGNOSIS" (VK45DE) in “Engine Control (EC section)”.
NO >> GO TO 4.
4. CHECK A/T SELF-DIAGNOSTIC RESULTS
Perform A/T self-diagnosis.
OK or NG
OK >> GO TO 5.
NG >> Check the corresponding items. Refer toAT- 4 2 , "
TROUBLE DIAGNOSIS" in “A/T”.

PRECAUTIONS
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[VQ35DE]
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Revision: 2004 November 2004 FX35/FX45
[VQ35DE]PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
ABS009A8
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WARNING:

To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer.

Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.

Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.
Precautions for Liquid GasketABS005ZR
REMOVAL OF LIQUID GASKET SEALING

After removing mounting bolts and nuts, separate the mating
surface using a seal cutter (SST) and remove old liquid gasket
sealing.
CAUTION:
Be careful not to damage the mating surfaces.

Tap seal cutter to insert it, and then slide it by tapping on the
side as shown in the figure.

In areas where seal cutter is difficult to use, use plastic hammer
to lightly tap the areas where the liquid gasket is applied.
CAUTION:
If for some unavoidable reason tool such as screwdriver is
used, be careful not to damage the mating surfaces.
LIQUID GASKET APPLICATION PROCEDURE
1. Using a scraper, remove old liquid gasket adhering to the liquid
gasket application surface and the mating surface.

Remove liquid gasket completely from the groove of the liquid
gasket application surface, mounting bolts, and bolt holes.
2. Wipe the liquid gasket application surface and the mating sur-
face with white gasoline (lighting and heating use) to remove
adhering moisture, grease and foreign materials.
PBIC0002E
PBIC0003E

DI-2Revision: 2004 November 2004 FX35/FX45Schematic ............................................................... 39
Wiring Diagram — WARN — .................................. 40
Oil Pressure Warning Lamp Stays Off (Ignition
Switch ON) ............................................................. 48
Oil Pressure Warning Lamp Does Not Turn Off (Oil
Pressure Is Normal) ................................................ 49
Component Inspection ............................................ 50
OIL PRESSURE SWITCH ................................... 50
A/T INDICATOR ........................................................ 51
Wiring Diagram — AT/IND — ................................. 51
A/T Indicator Is Malfunction .................................... 53
WARNING CHIME ..................................................... 55
Component Parts and Harness Connector Location ... 55
System Description ................................................. 55
FUNCTION .......................................................... 55
IGNITION KEY WARNING CHIME (WITHOUT
INTELLIGENT KEY) ............................................ 56
IGNITION KEY WARNING CHIME (WITH INTEL-
LIGENT KEY) ...................................................... 56
LIGHT WARNING CHIME ................................... 57
SEAT BELT WARNING CHIME ........................... 57
CAN Communication System Description .............. 57
CAN Communication Unit ....................................... 57
Schematic ............................................................... 58
Wiring Diagram — CHIME — ................................. 59
Terminals and Reference Value for BCM ................ 62
Terminals and Reference Value for Unified Meter
and A/C Amp. ......................................................... 63
Terminals and Reference Value for Combination
Meter ...................................................................... 64
How to Proceed With Trouble Diagnosis ................ 64
Preliminary Check .................................................. 65
CHECK POWER SUPPLY AND GROUND CIR-
CUIT .................................................................... 65
CONSULT-II Function ............................................. 66
DIAGNOSTIC ITEMS DESCRIPTION ................. 66
CONSULT-II BASIC OPERATION PROCEDURE
... 66
DATA MONITOR .................................................. 67
ACTIVE TEST ..................................................... 67
SELF-DIAGNOSTIC RESULTS ........................... 67
All Warnings Are Not Operated .............................. 68
Key Warning Chime and Light Warning Chime Does
Not Operate (Seat Belt Warning Chime Does Oper-ate) .......................................................................... 69
Key Warning Chime Does Not Operate (Without
Intelligent Key) ........................................................ 70
Key Warning Chime Does Not Operate (With Intel-
ligent Key, When Mechanical Key Is Used) ............ 72
Key Warning Chime Does Not Operate (With Intel-
l i g e n t K e y , W h e n I n t e l l i g e n t K e y I s C a r r i e d W i t h T h e
Driver) ..................................................................... 74
Light Warning Chime Does Not Operate ................. 76
Seat Belt Warning Chime Does Not Operate .......... 77
CLOCK ...................................................................... 79
Wiring Diagram — CLOCK — ................................. 79
Removal and Installation of Clock ........................... 80
REMOVAL ............................................................ 80
INSTALLATION .................................................... 80
REAR VIEW MONITOR ............................................. 81
System Description ................................................. 81
POWER SUPPLY AND GROUND ....................... 81
AV COMMUNICATION LINE ............................... 81
REAR VIEW CAMERA OPERATION .................. 81
Component Parts and Harness Connector Location ... 82
Schematic ............................................................... 83
Wiring Diagram — R/VIEW — ................................ 84
Terminals and Reference Value for Rear View Cam-
era Control Unit ....................................................... 87
CONSULT-II Function ............................................. 87
CONSULT-II BASIC OPERATION ....................... 87
WORK SUPPORT ............................................... 88
DATA MONITOR .................................................. 89
Side Distance Guideline Correction ........................ 89
SIDE DISTANCE GUIDELINE CORRECTION
PROCEDURE ...................................................... 89
Power Supply and Ground Circuit Inspection ......... 91
Rear View Is Not Displayed With The A/T Selector
Lever In R-position .................................................. 92
The Rear View Image Is Distorted .......................... 96
Removal and Installation of Rear View Camera Con-
trol Unit .................................................................... 97
REMOVAL ............................................................ 97
INSTALLATION .................................................... 97
Removal and Installation of Rear View Camera ..... 97
REMOVAL ............................................................ 97
INSTALLATION .................................................... 98

DI-4
COMBINATION METERS
Revision: 2004 November 2004 FX35/FX45
COMBINATION METERSPFP:24814
System DescriptionAKS005MH
UNIFIED METER CONTROL UNIT

Speedometer, odo/trip meter, tachometer, fuel gauge and water temperature gauge are controlled by the
unified meter control unit, which is built into the combination meter. Unified meter control unit receives sig-
nals from unified meter and A/C amp.

Warning lamp and indicator lamp of combination meter are controlled by signals drawn from the unified
meter and A/C amp.

Digital meter is adopted for odo/trip meter*.
*The record of the odo meter is kept even if the battery cable is disconnected. The record of the trip meter
is erased when the battery cable is disconnected.

Odo/trip meter, A/T indicator and ICC system display segments can be checked in diagnosis mode.

Meters/gauges can be checked in diagnosis mode.
Illumination Control
The unified meter control unit outputs the odo/trip meter and A/T
indicator lighting when the ignition switch is turned on. When the
lighting switch is turned on, light on for the combination meter dial,
illumination control switch and external lighting are output. In addi-
tion, when the lighting switch is turned on, the illumination control
switch on the left side of the combination meter can be used to
adjust the brightness of each light. The brightness can be adjusted
to sixteen different levels: From 0 (no lights) to 15 (maximum).
Pressing the illumination control switch will brighten or darken the
lights. When the key switch is in the START position, the combina-
tion meter dial lighting and illumination control switch lighting are
turned off.
UNIFIED METER AND A/C AMP.
Refer to DI-28, "System Description" in “UNIFIED METER AND A/C AMP”.
SKIA4795E

COMBINATION METERS
DI-11
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Revision: 2004 November 2004 FX35/FX45
Terminals and Reference Value for Combination MeterAKS005MM
Te r m i n a l
No.Wire
colorItemCondition
Reference value
Ignition
switchOperation or condition
1R/GVehicle speed signal
(8-pulse)ONSpeedometer operated
[When vehicle speed is
approx. 40 km/h (25 MPH)]
5 B Ground ON — Approx. 0V
6 B Ground ON — Approx. 0V
7 G/Y Ignition switch ON or START ON — Battery voltage
8 R/W Battery power supply OFF — Battery voltage
13 L/BTX communication line (To
unified meter and A/C amp.)ON —
14 PURX communication line (From
unified meter and A/C amp.)ON —
15 B Ground ON — Approx. 0V
19 R/B Illumination signal ONLighting switch ON, then oper-
ate the illumination control
switch. When brightness level is
midway.
Lighting switch OFF Approx. 0V
25 — Illumination control switch (-) OFFIllumination control switch (-) is
pushed.Approx. 0V
Illumination control switch (-) is
released.Approx. 5V
26 — Illumination control switch (+) OFFIllumination control switch (+)
is pushed.Approx. 0V
Illumination control switch (+)
is released.Approx. 5V
27 —Odo/trip meter and illumina-
tion control switch groundOFF — Approx. 0V
35 — Trip reset switch OFFTrip reset switch is pushed Approx. 0V
Trip reset switch is released Approx. 5V
PKIA1935E
SKIA3361E
SKIA3362E
SKIA8970E

DI-28
UNIFIED METER AND A/C AMP
Revision: 2004 November 2004 FX35/FX45
UNIFIED METER AND A/C AMPPFP:27760
System DescriptionAKS005N8

For the unified meter and A/C amp., the signal required for controlling the combination meter are inte-
grated in the A/C auto amp.

Unified meter and A/C amp. controls each operation for A/C auto amp. For information regarding A/C con-
trol, refer to AT C - 3 0 , "
AIR CONDITIONER CONTROL" in ATC section.

Unified meter and A/C amp. inputs necessary information for combination meter from each unit by CAN
communication and so on.

And unified meter and A/C amp. outputs these signals using communication line (TX, RX) between unified
meter and A/C amp. and combination meter.

The signals required for the distance to empty (DTE) display are centralized in the unified meter and A/C
amp., converted into data, and sent to the display unit (without NAVI) display control unit (with NAVI) using
CAN communication.

Other input signals are also sent to the ECM, TCM, AWD control unit, BCM, display unit (without NAVI)
and display control unit (with NAVI) using CAN communication.

The unified meter and A/C amp. have a CONSULT-II function (self-diagnostic results, CAN diagnostic
support monitor, data monitor).
INPUT/OUTPUT SIGNALS
Between Unified Meter & A/C amp. and Combination Meter
Unit Input Output
Unified meter and A/C amp.

Seat belt buckle switch signal (Driver's side)

Parking brake signal

Illumination control nighttime required signal

Refuel status signal

Low-fuel warning lamp condition signal

Combination meter receive error signal

Delivery destination data signal

Combination meter specifications signal

Vehicle speed signal (8-pulse)

Engine speed signal

Engine coolant temperature signal

Fuel level sensor signal (resistance value)

Malfunction indicator lamp signal

ABS warning lamp signal

Low tire pressure warning lamp signal

Brake warning lamp signal

A/T CHECK warning lamp signal

ICC warning lamp signal

Oil pressure switch signal

Door switch signal

AWD warning lamp signal

VDC OFF indicator lamp signal

SLIP indicator lamp signal

ASCD CRUISE indicator lamp signal

ASCD SET indicator lamp signal

High beam request signal

Turn indicator signal

Snow mode switch signal

ICC system display signal

A/T position indicator signal

Manual mode indicator signal

Manual mode gear position signal

CAN communication condition signal of A/T

Position lights request signal

Buzzer output signal