INFINITI FX35 2005 Service Manual

DI-80
WARNING CHIME
Revision: 2005 July 2005 FX
Seat Belt Warning Chime Does Not OperateAKS005NX
1. CHECK WARNING CHIME OPERATION
Check the chime under conditions in exception of seat belt warning chime operation.
Does warning chime sound?
YES >> GO TO 2.
NO >> Go to DI-71, "
All Warnings Are Not Operated" .
2. CHECK UNIFIED METER AND A/C AMP. INPUT SIGNAL
1. Select “METER A/C AMP”.
2. With “DATA MONITOR” of “METER A/C AMP”, confirm “SEAT BELT W/L” when the seat belt is operated.
OK or NG
OK >> Replace BCM. Refer to BCS-16, "Removal and Installa-
tion of BCM" .
NG >> GO TO 3.
3. CHECK COMBINATION METER INPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between combination meter harness connector M20 terminal 9 (LG/R) and ground.
OK or NG
OK >> Replace combination meter.
NG >> GO TO 4.
4. CHECK SEAT BELT BUCKLE SWITCH
1. Turn ignition switch OFF.
2. Disconnect seat belt buckle switch (driver side) connector.
3. Check continuity between seat belt buckle switch (driver side) connector B160 terminals 60 and 61A.
OK or NG
OK >> GO TO 5.
NG >> Replace seat belt buckle switch (driver side). “SEAT BELT W/L”
When seat belt is fastened : OFF
When seat belt is unfastened : ON
SKIA6728E
9 (LG/R) – Ground
When seat belt is fastened : Approx. 12 V
When seat belt is unfastened : Approx. 0 V
SKIA5052E
60 – 61A
When seat belt is
fastened : Continuity should not exist.
When seat belt is
unfastened : Continuity should exist.
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5. CHECK SEAT BELT BUCKLE SWITCH CIRCUIT
1. Disconnect combination meter connector.
2. Check continuity between combination meter harness connector M20 terminal 9 (LG/R) and seat belt buckle switch (driver side)
harness connector B160 terminal 60 (R/B).
3. Check harness continuity between combination meter harness connector M20 terminal 9 (LG/R) and ground.
OK or NG
OK >> Check seat belt buckle switch (driver side) ground cir- cuit.
NG >> Repair harness or connector. 9 (LG/R) – 60 (R/B) : Continuity should exist.
9 (LG/R) – Ground : Continuity should not exist.PKIB3579E

DI-82
LANE DEPARTURE WARNING SYSTEM
Revision: 2005 July 2005 FX
LANE DEPARTURE WARNING SYSTEM PFP:28442
Precautions for Lane Departure Warning (LDW) systemAKS00C7T
WARNING:
Lane Departure Warning (LDW) is only a warning device to inform the driver of an unintended lane
departure. It will not steer the vehicle or prevent loss of control. It is the driver's responsibility to stay
alert, drive safely, keep the vehicle in the traveling lane, and be in control of the vehicle at all times.

LDW system does not operate under the following conditions:
–At speeds below 45 MPH (72 km/h).
–If it cannot detect lane markers.

LDW system may not function properly under the following conditions:
–On roads where a water puddle, dirt or snow is covering the lane markers.
–On roads where the lane markers are faded or are not painted clearly.
–On roads where the lane markers are painted yellow.

LDW system may not monitor the lane markers in certain road, weather or driving conditions.
–On roads where there are sharp curves.
–Where the traveling lane merges or separates.
–On roads where the discontinued lane markers are present, such as near tollgates, etc.
–On roads where there are not general lane markers.
–During bad weather (rain, fog, snow, etc.).
–When strong light (for example, at sunrise or sunset) is directly shining on the front of the vehicle.
–When entering or exiting a tunnel where sudden changes in brightness occur.
–When traveling close to the vehicle in front of you, which causes obstruction of the camera unit
range.
–When the vehicle's traveling direction does not align with the lane marker.
–When rain, snow or dirt adhere to the windshield in front of the camera unit.

Excessive noise interferes with warning system chime sound and the chime may not be heard.
CAUTION:
To keep the LDW system operating properly, be sure to observe the following:

Always keep the windshield clean. The sensing capability of the camera unit depends on the con-
dition of the windshield. See “Appearance and care” for cleaning instruction.

Never strike or damage the areas around the camera unit.

Never touch the camera lens.

Never attach a sticker (including transparent material) or install an accessory near the camera
unit.

Never place reflective materials, such as a white paper or mirrors on the instrument panel. Reflec-
tion of the sunlight may adversely affect the camera unit's lane marker detection capability.
System DescriptionAKS00C7U
LDW SYSTEM OPERATION

The Lane Departure Warning (LDW) system warns the driver when the vehicle is traveling close to either
the left or the right of the traveling lane.

The system monitors lane markers of the traveling lane using the LDW camera unit. When the LDW cam-
era unit detects that the vehicle is traveling close to either the left or the right of the traveling lane, the
LDW indicator lamp flashes and a chime sounds to alert the driver.
NOTE:
When activating turn signal, LDW system does not give a warning to the lane marker on the turn signal
side.

The LDW system can be turned on or off by pushing the LDW switch. When the system is on, the LDW
system ON indicator illuminates.

The LDW system has an automatic mode and manual mode.
In the automatic mode
–LDW system automatically turns on, when the ignition switch is turned to the ON position.

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–LDW system ON indicator located on the LDW switch illuminates, indicating that the system is on.
–To cancel LDW system, push the LDW switch to turn off LDW system ON indicator.
–To turn on the system, push LDW switch again.
In the manual mode
–LDW system is still off when the ignition switch is turned to the ON position.
–The LDW switch must be pushed to turn on the system.
To the change modes
–Push and hold LDW switch for more than 4 seconds, when LDW system ON indicator is off.
–Then LDW chime sounds and blinking of LDW system ON indicator informs that the mode change is com-
pleted.

Temporary disabled status at high temperature
–If the vehicle is parked in direct sunlight under high temperature conditions [approximately over 104 °F (40
° C)] and then started, the LDW system may sound a chime and cancel automatically. Then LDW system
ON indicator will blink.
–When the interior temperature is reduced, the system will resume to operate automatically and the LDW
system ON indicator illuminates.
Warning Function
SKIB1783E

DI-84
LANE DEPARTURE WARNING SYSTEM
Revision: 2005 July 2005 FX
System Diagram
Components Description
NOTE:
*: This indicates in a few seconds for the system check during ignition switch ON.
POWER SUPPLY AND GROUND CIRCUIT
With the ignition switch in the ON or START position, power is supplied

through 10A fuse [No. 12, located in the fuse block (J/B)]

to LDW camera unit terminal 1.
Ground is supplied

to LDW camera unit terminals 6 and 12

through grounds M45, M85 and M35.
CAN CommunicationAKS00C6X
SYSTEM DESCRIPTION
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with two
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
SKIB1784E
Component Description
LDW camera unit Detects the lane marker by the built-in camera, gives judgement for the warning according to the
result of detection and signals from each unit, and transmits the operation signal to LDW chime and
LDW indicator lamp.
LDW switch

Selects ON/OFF of the system.

Indicates ON/OFF of the signal with LDW system ON indicator.
LDW chime Gives a warning chime according to the direction from LDW camera unit.
LDW indicator lamp Installed in combination meter, and indicates the system condition.

Blinks when LDW system is functioning to alert the driver.

Stays on when LDW system is malfunctioning.*
BCM Transmits turn indicator signal to LDW camera unit with CAN communication signal.
ABS actuator and electric unit
(control unit) Transmits vehicle speed signal to LDW camera unit with CAN communication signal.
TCM Transmits vehicle speed signal to LDW camera unit with CAN communication signal. (For detecting
incorrect speed.)

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CAN COMMUNICATION UNIT
Refer to LAN-30, "CAN Communication Unit" in “LAN SYSTEM”.
Action TestAKS00C70
LDW SYSTEM RUNNING TEST
WARNING:

Be careful when performing road test.

Understand “Precautions” and “System Description” well before the road test. Refer to DI-82,
"Precautions for Lane Departure Warning (LDW) system" and DI-82, "System Description" .
Function Check
Check the LDW system operation according to the condition that the warning function works. Refer to DI-82,
"LDW SYSTEM OPERATION" .

DI-86
LANE DEPARTURE WARNING SYSTEM
Revision: 2005 July 2005 FX
Camera Aiming AdjustmentAKS00C7J
OUTLINE
Adjust the camera aiming every time the LDW camera unit is removed or installed.
CAUTION:

Place the vehicle on the level ground when the camera aiming adjustment is operated.

Follow the CONSULT-II when adjusting the camera aiming. (Camera aiming adjustment cannot be
operated without CONSULT-II.)
PREPARATION

Keep all tires inflated to correct pressures. Adjust the tire pressure to the specified pressure value.

There is no-load in vehicle. Check if coolant, engine oil are filled up to correct level and fuel tank is full.

Shift the gear into “P” position and release the parking brake.

Clean the windshield.
NOTE:
Do not place anything reflective on the upper surface of instrument panel.
TARGET SETTING
Preparation Aiming Adjustment Jig
For aiming adjustment, prepare the following jigs and targets.
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Ta r g e t
NOTE:
Enlarge this page to 122% size and print it out.
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DI-88
LANE DEPARTURE WARNING SYSTEM
Revision: 2005 July 2005 FX
Target Setting
CAUTION:

Perform this operation in a horizontal position where there is a clear view for 5 m (16.4 ft) forward
and 3 m (9.84 ft) wide.

Place the target at a well-lighted location. (Poor lighting may make it hard to adjust.)

The target may not be detected when there is a light source within 1.5 m (4.92 ft) from either side
and within 1 m (3.28 ft) upward/downward from the target.

Make sure location of the sun. (Sunlight should not shine directly on front of the vehicle.)

The target may not be detected when there is the same pattern of black and white as the target
when the pattern is within 1 m (3.28 ft) from either side and upward/downward position from the
target. (It is desirable that the vehicle is positioned on the opposite side of a single-color wall.)
1. Mark a point at the center of lateral surface of each wheels (“A”, “B”, “C” and “D”).
NOTE:
Dangle a string with a cone from the fender so as to pass
through the center of wheel, and then mark a point at the center
of lateral surface of wheels.
2. Draw a line passing through points “A” and “B” on the left side of vehicle (line “LH”).
NOTE:
Approximately 4 m (13.12 ft) or more from the forward end of
vehicle.
3. Mark points on the line “LH”, at the positions 3850 mm (151.57 in) from the point “A” (“E”).
4. Draw a line passing through the points “C” and “D” on the right side of vehicle as with the step 2 (line “RH”).
NOTE:
Approximately 4 m (13.12 ft) or more from the forward end of vehicle.
5. Mark points on the line “RH”, at the positions 3850 mm (151.57 in) from the point “C” (“F”).
6. Draw a line passing through the points “E” and “F” (line “FW”).
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7. Mark point at the center of the point “E” and “F”, on the line
“FW”.
CAUTION:
Make sure that “E” through “X” is equal to “F” through “X”.
8. Position the center of the right target to the point of “X”.
VEHICLE HEIGHT CHECK
Measure the wheel arch height. And calculate “Dh”.
NOTE:
“Dh” may be calculated as a minus value.
AIMING ADJUSTMENT
Operation Procedure
CAUTION:

Perform the adjustment under unloaded vehicle condition.

LDW indicator is turned off after the removal/installation, and blinks after replacement.
1. Turn ignition switch OFF.
2. Connect CONSULT-II and CONSULT-II CONVERTER on the data link connector.
3. Start the engine, wait for at least 10 seconds, and touch “START (NISSAN BASED VHCL)”.
PKIB5331E
Dh [mm] = (Hfl + Hfr) ÷ 2 − 840
where, Hfl: Front left wheel arch height [mm]
Hfr: Front right wheel arch height [mm]
SKIB3164E
PBIB1503E
SAIA0450E