2008 INFINITI FX35 service

LANE DEPARTURE WARNING SYSTEMDI-71
< SERVICE INFORMATION >
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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.)
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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.
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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 m (16.4 ft) forward
and 3 m (9.84 ft) wide.
 Place the target at a well-lig hted location. (Poor lighting may make it hard to adjust.)
 The target may not be detected when there is a ligh t 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.)
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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 si de 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 t hen 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 t he 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”).
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
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LANE DEPARTURE WARNING SYSTEMDI-75
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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 remo val/installation, and blinks after replacement.
NOTE:
When the DTC (C1B01 CAM AIMING INCMP) is disp layed on CONSULT-III screen, perform the aiming
adjustment after erasing the DTC.
1. Select “Work Support” on LDW with CONSULT-III.
2. Select “AUTO AIM”.
3. Confirm following.
a. The target should be accurately placed.
b. The vehicle should be stopped.
4. Select “Start” to perform aiming.
CAUTION:
Never Select “Start” when the target is not placed.
5. Input “Dh”, and then select “Start”. NOTE:
Check the value “Dh”. Refer to "VEHICLE HEIGHT CHECK".
CAUTION:
Never change “Ht” and “Dt”.
6. Check it display item.
a. “Normally Completed” is displayed, then selecting “Completion”.
b. Perform the following services when displa yed “SUSPENSION” or “ABNORMALLY COMPLETED”.
NOTE:
Replace camera unit if “SUSPENSION” is repeatedly indicated though the above tw o service is performed.
7. Check if “Normally Completed” is displayed and close the aiming adjustment procedure by selecting
“End”.
Check After The Adjustment
1. Perform self-diagnosis of LDW camera unit. Refer to DI-81, "CONSULT-III Function (LDW)".
2. Test the LDW system operation by running test. Refer to DI-71, "
Action Test".
Dh [mm] = (Hfl + Hfr)
÷ 2 − 840
where, Hfl: Front left wheel arch height [mm]
Hfr: Front right wheel arch height [mm]
SKIB3164E
Displays item Service procedure
SUSPENSION 00H Routine not activated
Position the target appropriately again. Perform the aiming again.
Refer to "Camera Aiming Adjustment".
10H Writing error
ABNORMALLY COMPLETED —
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DI-76
< SERVICE INFORMATION >
LANE DEPARTURE WARNING SYSTEM
Component Parts and Harn ess Connector Location
INFOID:0000000001328496
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LANE DEPARTURE WARNING SYSTEMDI-77
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SchematicINFOID:0000000001328497
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DI-78
< SERVICE INFORMATION >
LANE DEPARTURE WARNING SYSTEM
Wiring Diagram - LDW -
INFOID:0000000001328498
TKWM4367E
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