2008 INFINITI FX35 Service Manual

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Page 1193 of 3924

INFINITI FX35 2008 Service Manual
WARNING CHIMEDI-67
< SERVICE INFORMATION >
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OK or NG
OK >> INSPECTION END
NG >> GO TO 2.
2.CHECK COMBINATION METER INPUT SIGNAL
1. Turn ignition switch ON.
2. Check vol

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INFINITI FX35 2008 Service Manual
DI-68
< SERVICE INFORMATION >
WARNING CHIME
Check continuity between terminal 1 and door switch case ground.
KEY SWITCH
Check continuity between terminals 1 and 2.
KEY SWITCH AND IGNITION KNOB SWITCH

Page 1195 of 3924

INFINITI FX35 2008 Service Manual
LANE DEPARTURE WARNING SYSTEMDI-69
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LANE DEPARTURE WARNING SYSTEM
Precaution for Lane Depa rture Warning (LDW) systemINFOID:0000000001328492
WA

LANE DEPARTURE WARNING SYSTEMDI-69
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LANE DEPARTURE WARNING SYSTEM
Precaution for Lane Depa rture Warning (LDW) systemINFOID:0000000001328492
WARNING:
Lane Departure Warning (LDW) is only a warning d evice 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 u nder the following conditions:
- At speeds below approx. 72 km/h (45 MPH).
- If it cannot detect lane markers.
LDW system may not function proper ly 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 marker s are present, such as near tollgates, etc.
- On roads where there are not general lane markers.
- On roads where the lane width is too narrow.
- During bad weather (rain, fog, snow, etc.).
- When strong light (for example, at sunrise or sunse t) is directly shining on the front of the vehicle.
- When entering or exiting a tunnel wher e 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 ch ime sound and the chime may not be heard.
CAUTION:
To keep the LDW system operating proper ly, be sure to observe the following:
Always keep the windshield clean. The sensing capability of the camera unit depends on the condi-
tion of the windshield. See “Appearan ce 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 mate rial) or install an accessory near the camera unit.
Never place reflective materials, such as a white pape r or mirrors on the instrument panel. Reflection
of the sunlight may adversely affect the camera unit's lane marker detection capability.
System DescriptionINFOID:0000000001328493
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 camera
unit detects that the vehicle is traveli ng close to either the left or the right of the traveling lane, the LDW indi-
cator 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 t he LDW switch. When the system is on, the LDW sys-
tem ON indicator illuminates.
The LDW system has an automatic mode and manual mode.
In the automatic mode
- LDW system automatically turns on, when the i gnition switch is turned to the ON position.
- LDW system ON indicator located on the LDW swit ch 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 igniti on switch is turned to the ON position.
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
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Page 1196 of 3924

INFINITI FX35 2008 Service Manual
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< SERVICE INFORMATION >
LANE DEPARTURE WARNING SYSTEM
- 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 syst

Page 1197 of 3924

INFINITI FX35 2008 Service Manual
LANE DEPARTURE WARNING SYSTEMDI-71
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NOTE:
*: This indicates in a few seconds for the system check during ignition switch ON.
POWER SUPPLY AND GR

LANE DEPARTURE WARNING SYSTEMDI-71
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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.
Action TestINFOID:0000000001328494
LDW SYSTEM RUNNING TEST
WARNING:
Be careful when performing road test.
Understand “Precautions” and “System Description” well before the road test. Refer to DI-69, "
Pre-
caution for Lane Departure Warning (LDW) system" and DI-69, "System Description".
Function Check
Check the LDW system operation according to the c ondition that the warning function works. Refer to DI-69,
"System Description".
Camera Aiming AdjustmentINFOID:0000000001328495
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-III when ad justing the camera aiming. (Camera aiming adjustment cannot be
operated without CONSULT-III.)
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 t he upper surface of instrument panel.
TARGET SETTING
Preparation Aiming Adjustment Jig
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.)
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
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Page 1198 of 3924

INFINITI FX35 2008 Service Manual
DI-72
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LANE DEPARTURE WARNING SYSTEM
For aiming adjustment, prepare the following jigs and targets.
Target
NOTE:
Enlarge this page to 122% size and print it out.
PKIB4693E
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Page 1199 of 3924

INFINITI FX35 2008 Service Manual
LANE DEPARTURE WARNING SYSTEMDI-73
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Target Setting
CAUTION:
Perform this operation in a horizo ntal position where there is a clear view for 5

Page 1200 of 3924

INFINITI FX35 2008 Service Manual
DI-74
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LANE DEPARTURE WARNING SYSTEM
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) f

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