Infiniti FX35 / FX45. Manual - part 302

LANE DEPARTURE WARNING SYSTEM

DI-83

< SERVICE INFORMATION >

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1.

Select “Active Test”.

2.

Select any field, “BUZZER DRIVE ”, “SYSTEM ON LAMP DRIVE” and “INDICATOR LAMP DRIVE”, on
selection screen.

3.

Select necessary item and “Start”.

4.

Active test screen will be shown.

Display Item

BUZZER DRIVE

Select “On” and “Off” to check if LDW chime operates as follows.

SYSTEM ON LAMP DRIVE

Select “ON” and “OFF” to check if LDW system ON indicator operates as follows.

NOTE:
Perform “SYSTEM ON LAMP DRIVE” when LDW system ON indicator turns OFF.

INDICATOR LAMP DRIVE

Select “On” and “Off” to check that LDW indicator lamp operates as follows.

Trouble Diagnosis

INFOID:0000000001328501

HOW TO PERFORM TROUBLE DIAGNOSIS

1.

Check the symptom and customer complaint.

2.

Understand the outline of system. Refer to 

DI-69, "System Description"

.

3.

Perform the preliminary inspection. Refer to 

DI-84, "Preliminary Check"

.

4.

Referring to symptom chart, repair or replace the cause of the malfunction. Refer to "SYMPTOM CHART".

5.

Erase DTC and perform self-diagnosis of LDW system again. Then perform LDW system running test.
Refer to 

DI-81, "CONSULT-III Function (LDW)"

 and 

DI-71, "Action Test"

.

6.

Does LDW system operate normally? If it operates normally, GO TO 7. If not, GO TO 3.

7.

INSPECTION END

SYMPTOM CHART

Active test item

Operation item

Function

BUZZER DRIVE

LDW chime

This test is able to check LDW chime operation.

SYSTEM ON LAMP DRIVE

LDW system ON indicator

This test is able to check LDW system ON indicator operation.

INDICATOR LAMP DRIVE

LDW indicator lamp

This test is able to check LDW indicator lamp operation.

“BUZZER DRIVE”

Select “On”

: LDW chime is activated.

Select “Off”

: LDW chime is not activated.

“SYSTEM ON LAMP DRIVE”

Select “On”

: LDW system ON indicator illuminates.

Select “Off”

: LDW system ON indicator turns OFF.

“INDICATOR LAMP DRIVE”

Select “On”

: LDW indicator lamp illuminates.

Select “Off”

: LDW indicator lamp OFF.

DI-84

< SERVICE INFORMATION >

LANE DEPARTURE WARNING SYSTEM

Preliminary Check

INFOID:0000000001328502

1.

CHECK CAMERA LENS AND WINDSHIELD

Are camera lens and windshield contaminated with foreign materials? 

YES

>> Clean camera lens and windshield.

NO

>> GO TO 2.

2.

CHECK CAMERA UNIT INSTALLATION CONDITION

Check camera unit installation condition (installation position, properly tightened, a bent bracket). 

OK or NG

OK

>> GO TO 3.

NG

>> Install camera unit properly, and adjust camera aiming. Refer to 

DI-71, "Camera Aiming Adjust-

ment"

.

3.

CHECK VEHICLE HEIGHT

Check vehicle height. Refer to 

GI-47, "Dimensions"

.

Is vehicle height appropriate?

OK

>> GO TO 4.

NG

>> Repair vehicle to appropriate height.

4.

CHECK LDW CAMERA UNIT (CONSULT-III)

Perform self-diagnosis of LDW camera unit. Refer to 

DI-81, "CONSULT-III Function (LDW)"

.

Self-diagnosis results

No malfunction detected >> GO TO 5.
Malfunction detected >> Check applicable parts, and repair or replace corresponding parts.

5.

CHECK COMBINATION METER

Check combination meter function.

Do speedometer and turn signal indicator normal function?

YES

>> INSPECTION END

NO

>> Check combination meter. Refer to 

DI-15, "Trouble Diagnosis"

.

Power Supply and Ground Circuit Inspection

INFOID:0000000001328503

1.

CHECK FUSE

Check for blown LDW camera unit fuse.

Symptom

Diagnoses/Service procedure

LDW system is not activated.
(LDW system ON indicator turns ON/OFF.)

Perform the following inspections.
1.

DI-86, "LDW Chime Circuit Inspection"

2.

DI-90, "LDW Indicator Lamp Circuit Inspection"

Replace LDW camera unit, check function in the above inspections. 

LDW system does not turn ON/OFF.
(LDW system ON indicator does not turn ON/OFF.)

Perform 

DI-88, "LDW Switch Circuit Inspection"

.

Replace LDW camera unit, check function in the above inspection. 

Warning functions are untimely.

(Example)

• Warning does not function when driving on lane markers.
• Warning functions when driving in a lane.
• Different position from actual condition functions.

Perform 

DI-71, "Camera Aiming Adjustment"

.

Functions when changing the course to the turn signal direction.

Perform 

DI-91, "Turn Signal Input Inspection"

.

Replace LDW camera unit, check function in the above inspection. 

LDW indicator lamp does not illuminate with ignition switch ON.

Perform 

DI-90, "LDW Indicator Lamp Circuit Inspection"

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Replace LDW camera unit, check function in the above inspection. 

LANE DEPARTURE WARNING SYSTEM

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< SERVICE INFORMATION >

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OK or NG

OK

>> GO TO 2.

NG

>> Be sure to eliminate cause of malfunction before installing new fuse. Refer to 

PG-77, "Terminal

Arrangement"

.

2.

CHECK POWER SUPPLY CIRCUIT

Check voltage between LDW camera unit and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Check harness between LDW camera unit and fuse.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect LDW camera unit connector.

3.

Check continuity between LDW camera unit harness connector
R9 terminals 6, 12 and ground.

OK or NG

OK

>> INSPECTION END

NG

>> Repair ground harness.

DTC [C1B00] CAMERA UNIT MALF

INFOID:0000000001328504

1.

CHECK LDW CAMERA UNIT

1.

Perform self-diagnosis of LDW camera unit.

2.

Check if any item other than “[C1B00] CAMERA UNIT” is displayed on self-diagnosis display.

Is any displayed?

YES

>> Repair or replace applicable item.

NO

>> Replace LDW camera unit.

DTC [C1B01] CAM AIMING INCMP

INFOID:0000000001328505

1.

PREFORM CAMERA AIMING ADJUSTMENT

1.

Preform camera aiming adjustment. Refer to 

DI-71, "Camera Aiming Adjustment"

.

2.

Erase DTC and perform the self-diagnosis LDW camera unit.

Self-diagnosis results

No malfunction detected >> INSPECTION END
Malfunction detected >> Replace LDW camera unit.

DTC [C1B02] VHCL SPD DATA MALF

INFOID:0000000001328506

1.

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) (CONSULT-III)

Power source

Fuse No.

Ignition power supply 

12

Terminals

Ignition switch position

(+)

(–)

OFF

ON

Connector

Terminal

R9

1

Ground

0 V

Battery voltage

PKIC0246E

6 – Ground

: Continuity should exist.

12 – Ground

PKIC0247E

DI-86

< SERVICE INFORMATION >

LANE DEPARTURE WARNING SYSTEM

Perform self-diagnosis of ABS actuator and electric unit (control unit). Refer to 

BRC-26, "CONSULT-III Func-

tions (ABS)"

.

Self-diagnosis results

No malfunction detected >> GO TO 2.
Malfunction detected >> Check applicable parts, and repair or replace corresponding parts.

2.

CHECK TCM (CONSULT-III)

Perform self-diagnosis of TCM. Refer to 

AT-84, "CONSULT-III Function (TRANSMISSION)"

.

Self-diagnosis results

No malfunction detected >> Replace LDW camera unit.
Malfunction detected >> Check applicable parts, and repair or replace corresponding parts.

DTC [C1B03] ABNRML TEMP DETECT

INFOID:0000000001328507

1.

COOLING CAMERA UNIT

1.

Cooling camera unit.

2.

Erase DTC and perform self-diagnosis the LDW camera unit.

Self-diagnosis results

No malfunction detected >> INSPECTION END
Malfunction detected >> Replace LDW camera unit.

DTC [U1000] CAN COMM CIRCUIT

INFOID:0000000001328508

1.

CHECK CAN COMMUNICATION   

1.

Turn ignition switch ON and wait for 2 seconds or more.

2.

Check “Self Diagnostic Result” of “LDW”.

>> Go to “LAN SYSTEM”. Refer to 

LAN-43, "CAN System Specification Chart"

.

DTC [U1010] CONTROL UNIT (CAN)

INFOID:0000000001328509

Replace LDW camera unit, when “[U1010] CONTROL UNIT (CAN)” is displayed on self-diagnosis display.

LDW Chime Circuit Inspection

INFOID:0000000001328510

1.

CHECK LDW CHIME OPERATION

Check LDW chime operation “BUZZER DRIVE” in “Active Test” mode with CONSULT-III.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 2.

2.

CHECK LDW CHIME POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect LDW chime connector.

3.

Turn ignition switch ON.

“BUZZER DRIVE”

Select “On”

: LDW chime is activated.

Select “Off”

: LDW chime is not activated.