warning INFINITI M35 2007 Factory Service Manual

DI-76
LANE DEPARTURE WARNING SYSTEM
Revision: 2007 April2007 M35/M45
In the automatic mode
–LDW system automatically turns on, when the ignition switch is turned to the ON position.
–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
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LANE DEPARTURE WARNING SYSTEM
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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 M16 and M70.
Action TestNKS003VH
LDW SYSTEM RUNNING TEST
WARNING:

Be careful when performing road test.

Understand “Precautions” and “System Description” well before the road test. Refer to DI-75,
"Precautions for Lane Departure Warning (LDW) system" and DI-75, "System Description" .
Function Check
Check the LDW system operation according to the condition that the warning function works. Refer to DI-75,
"LDW SYSTEM OPERATION" .
PKIC0698E
Component Description
LDW camera unitDetects 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 lampInstalled 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.)

DI-78
LANE DEPARTURE WARNING SYSTEM
Revision: 2007 April2007 M35/M45
Camera Aiming AdjustmentNKS003VI
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-80
LANE DEPARTURE WARNING SYSTEM
Revision: 2007 April2007 M35/M45
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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LANE DEPARTURE WARNING SYSTEM
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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. With the ignition switch OFF, connect CONSULT-II and CON-
SULT-II CONVERTER to the data link connector, and then turn
ignition switch ON.
2. Start the engine, wait for at least 10 seconds, and touch “START
(NISSAN BASED VHCL)”.
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Dh [mm] = (Hfl + Hfr) ÷ 2 − 731
where,
Hfl: Front left wheel arch height [mm]
Hfr: Front right wheel arch height [mm]
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BCIA0029E

DI-82
LANE DEPARTURE WARNING SYSTEM
Revision: 2007 April2007 M35/M45
3. Touch “LDW”.
If “LDW” is not displayed, go to GI-39, "
CONSULT-II Data Link
Connector (DLC) Circuit" .
4. Touch “WORK SUPPORT”.
5. Touch “AUTO AIM”.
6. The target should be accurately placed.
The vehicle should be stopped.
After confirming the above, touch “START” to perform aiming.
CAUTION:
Never touch “START” when the target is not placed.
BCIA0030E
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LANE DEPARTURE WARNING SYSTEM
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7. Touch “NEXT”, then a keyboard window is displayed. Input “Dh”,
and then touch “ENTER”.
NOTE:
Check the value “Dh”. Refer to DI-81, "
VEHICLE HEIGHT
CHECK" .
8. Check the regulated value. (Spec.)
NOTE:
Check the value input at step 8.
a. Touch “NEXT” if appropriate.
b. Touch “CHANGE SET” to change “Dh”.
9. Touch “NEXT”.
CAUTION:
Never change “Ht”.
10. Touch “NEXT”.
CAUTION:
Never change “Dt”.
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DI-84
LANE DEPARTURE WARNING SYSTEM
Revision: 2007 April2007 M35/M45
11. Touch “START”.
12. Check the display item.
a. When “NORMALLY COMPLETED” is displayed, touch “COM-
PLETION”.
b. Perform the following services when displayed “SUSPENSION”
or “ABNORMALLY COMPLETED”.
NOTE:
Replace camera unit if “suspension” is repeatedly indicated though the above two service is performed.
13. Check if “NORMALLY COMPLETED” is displayed and close the
aiming adjustment procedure by touching “END”.
Check After The Adjustment
1. Perform the LDW camera unit self-diagnosis. Refer to DI-88, "CONSULT-II Function (LDW)" .
2. Test the LDW system operation by running test. Refer to DI-77, "
LDW SYSTEM RUNNING TEST" .
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Displays item Service procedure
SUSPENSION00H Routine not activated
Position the target appropriately, and perform the aiming again.
Refer to DI-78, "
Camera Aiming Adjustment" . 10H Writing error
ABNORMALLY COMPLETED —
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LANE DEPARTURE WARNING SYSTEM
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Revision: 2007 April2007 M35/M45
Component Parts and Harness Connector LocationNKS003VJ
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