Infiniti FX35 / FX45. Manual - part 299

LANE DEPARTURE WARNING SYSTEM

DI-71

< SERVICE INFORMATION >

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 Test

INFOID: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 condition that the warning function works. Refer to

DI-69,

"System Description"

Camera Aiming Adjustment

INFOID: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 adjusting 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 the 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.)

DI-72

< SERVICE INFORMATION >

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

LANE DEPARTURE WARNING SYSTEM

DI-73

< SERVICE INFORMATION >

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.)

PGIA0105J

DI-74

< SERVICE INFORMATION >

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) 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.)

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.

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.

Mark points on the line “LH”, at the positions 3850 mm (151.57
in) from the point “A” (“E”).

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.

Mark points on the line “RH”, at the positions 3850 mm (151.57 in) from the point “C” (“F”).

Draw a line passing through the points “E” and “F” (line “FW”).

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”.

Position the center of the right target to the point of “X”.

VEHICLE HEIGHT CHECK

PKIB4694E

PKIB4695E

PKIB5331E

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