INFINITI FX35 2006 Service Manual

LANE DEPARTURE WARNING SYSTEM DI-91
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Revision: 2006 December 2006 FX35/FX45
SchematicNKS00317
TKWM4366E

DI-92
LANE DEPARTURE WARNING SYSTEM
Revision: 2006 December 2006 FX35/FX45
Wiring Diagram — LDW —NKS00318
TKWM4367E

LANE DEPARTURE WARNING SYSTEM DI-93
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Revision: 2006 December 2006 FX35/FX45
TKWM4368E

DI-94
LANE DEPARTURE WARNING SYSTEM
Revision: 2006 December 2006 FX35/FX45
TKWM4369E

LANE DEPARTURE WARNING SYSTEM DI-95
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Revision: 2006 December 2006 FX35/FX45
Terminals and Reference Value for LDW Camera UnitNKS00319
NOTE:
*: Perform “ACTIVE TEST” with CONSULT-II. Refer to DI-97, "
ACTIVE TEST" .
CONSULT-II Function (LDW)NKS0031A
DESCRIPTION
CONSULT-II performs the following functions communicating with the LDW camera unit.
CONSULT-II BASIC OPERATION
Refer to GI-38, "CONSULT-II Start Procedure" .
WORK SUPPORT
Operation Procedure
Touch “WORK SUPPORT” on “SELECT DIAG MODE” screen.
Display Item
SELF-DIAG RESULTS
Operation Procedure
1. Touch “SELF-DIAG RESULTS” on “SELECT DIAG MODE” screen.
2. See the displayed result of self-diagnosis.
Terminal No. Wire
Color Item Condition
Reference Value
(Approx. [V])
Ignition
switch Operation or condition
1 B/R Ignition power supply ON — Battery voltage
3 R/W LDW chime ON LDW chime Activated
*0
Not activated 12
4 Y System ON indicator ON LDW system ON 0
OFF 12
5 R CAN-L — — —
6 B Ground ON — 0
8 G/W LDW indicator lamp ON LDW indicator lamp Illuminated
*0
Turned OFF 12
9 G LDW switch ON LDW switch Pressed 0
Released 5
10 L CAN-H — — — 11 — Shield — — —
12 B Ground ON — 0
Select diag mode Function Reference page
WORK SUPPORT Displays causes of automatic cancellation of the LDW system. DI-95
SELF-DIAG RESULTS Displays malfunctioning system memorized in LDW camera unit.DI-95
DATA MONITOR Displays real-time input/output data of LDW camera unit.DI-96
CAN DIAG SUPPORT MNTR The results of transmit/receive diagnosis of CAN communication can be read.LAN-3
ACTIVE TEST Enables operation check of electrical loads by sending driving signal to them. DI-97
ECU PART NUMBER Displays part number of LDW camera unit. —
Operation Function Reference page
AUTO AIM Outputs camera unit, calculates dislocation of the camera, and displays adjustment
direction.
DI-83

DI-96
LANE DEPARTURE WARNING SYSTEM
Revision: 2006 December 2006 FX35/FX45
Display Item
NOTE:

When a DTC is detected, the LDW system dose not operate.

When the DTC except “ABNRML TEMP DETECT [C1B03] ” is detected, the LDW indicator lamp turns ON.

When the DTC “ABNRML TEMP DETECT [C1B03] ” is detected, the LDW system ON indicator lamp blinks.
DATA MONITOR
Operation Procedure
1. Touch “DATA MONITOR” on “SELECT DIAG MODE” screen.
2. Touch any of “ALL SIGNALS” and “SELECTION FROM MENU” on selection screen.
3. Touch “START”.
4. Display the data monitor.
5. If necessary, touch “COPY” in turn, and print data.
Monitored Item
Display item [Code] Malfunctions detected where... Reference
page
CAMERA UNIT MALF [C1B00] LDW camera unit internal malfunction DI-100
CAM AIMING INCMP [C1B01] LDW camera aiming is not adjusted.DI-100
VHCL SPD DATA MALF [C1B02] LDW camera unit detected different vehicle speed signal from TCM and ABS
actuator and electric unit (control unit). DI-100
ABNRML TEMP DETECT [C1B03] Temperature around LDW camera unit is excessively high.
DI-101
CAN COMM CIRCUIT [U1000] LDW camera unit detected CAN communication malfunction.DI-101
CONTROL UNIT (CAN) [U1010] LDW camera unit detected internal CAN communication circuit malfunction.DI-101
Monitored Item [unit] Description
MAIN SW [ON/OFF] Displays [ON/OFF] status as judged from LDW switch signal.
SW ON LAMP [ON/OFF] Displays [ON/OFF] status of LDW system ON indicator signal output.
INDICATE LAMP [ON/OFF] Displays [ON/OFF] status of LDW indicator signal output.
BUZZER OUTPUT [ON/OFF] Displays [ON/OFF] status of LDW chime operation signal output.
LDW INACCURAT [ON/OFF] Displays LDW camera unit status.
VHCL SPD SE [km/h] or [mph] Displays vehicle speed calculated by LDW camera unit through CAN communication [ABS
actuator and electric unit (control unit) transmits wheel sensor signal through CAN commu-
nication].
VHCL SPD AT [km/h] or [mph] Displays vehicle speed calculated from A/T vehicle speed sensor by LDW camera unit
through CAN communication (TCM transmits A/T vehicle speed sensor signal through CAN
communication).
TURN SIGNAL [OFF/LH/RH] Displays “Turn signal” status, determined from BCM through CAN communication.
LANE DETCT LH [ON/OFF] Displays left lane marker is detected.
LANE DETCT RH [ON/OFF] Displays right lane marker is detected.
CROSS LANE LH [ON/OFF] Displays vehicle is crossing left lane.
CROSS LANE RH [ON/OFF] Displays vehicle is crossing right lane.
WARN LANE LH [ON/OFF] Displays warning for left lane.
WARN LANE RH [ON/OFF] Displays warning for right lane.
VALID POS LH [VLD/INVLD] Displays lateral position for left lane marker is valid.
VALID POS RH [VLD/INVLD] Displays lateral position for right lane marker is valid.
AIMING DONE [OK/NG] Displays camera aiming done.
AIMING RESULT [OK/NOK] Displays camera aiming result.
FCTRY AIM YAW [deg] Displays camera unit installation condition.
FCTRY AIM ROL [deg] Displays camera unit installation condition.

LANE DEPARTURE WARNING SYSTEM DI-97
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Revision: 2006 December 2006 FX35/FX45
ACTIVE TEST
CAUTION:

Never perform the active test while driving.

Active test cannot be started while LDW indicator lamp is illuminated.
1. Touch “ACTIVE TEST” on “SELECT DIAG MODE” screen. Refer to DI-95, "
CONSULT-II BASIC OPERA-
TION" .
2. Touch any field, “BUZZER DRIVE ”, “SYSTEM ON LAMP DRIVE” and “INDICATOR LAMP DRIVE”, on selection screen.
3. Touch necessary item and “START”.
4. Active test screen will be shown.
Active Test Item
BUZZER DRIVE
Touch “ON” and “OFF” to check if LDW chime operates as follows.
SYSTEM ON LAMP DRIVE
Touch “ON” and “OFF” to check if LDW system ON indicator oper-
ates as follows.
NOTE:
Perform “SYSTEM ON LAMP DRIVE” when LDW system ON indica-
tor turns OFF.
FCTRY AIM PIT [deg] Displays camera unit installation condition.
XOFFSET [pixel] Displays camera unit installation condition. Monitored Item [unit] Description
Active test item Operation item Function
Reference
page
BUZZER DRIVE LDW chime This test is able to check LDW chime operation. DI-97
SYSTEM ON LAMP DRIVE LDW system ON
indicator This test is able to check LDW system ON indicator
operation. DI-97
INDICATOR LAMP DRIVE LDW indicator lamp This test is able to check LDW indicator lamp operation.
DI-98
“BUZZER DRIVE”
Touch “ON” : LDW chime is activated.
Touch “OFF” : LDW chime is not activated.
SKIB1787E
“SYSTEM ON LAMP DRIVE”
Touch “ON” : LDW system ON indicator illuminates.
Touch “OFF” : LDW system ON indicator turns OFF.
SKIB1788E

DI-98
LANE DEPARTURE WARNING SYSTEM
Revision: 2006 December 2006 FX35/FX45
INDICATOR LAMP DRIVE
Touch “ON” and “OFF” to check that LDW indicator lamp operates as
follows.
Trouble DiagnosisNKS0031B
HOW TO PERFORM TROUBLE DIAGNOSIS
1. Check the symptom and customer complaint.
2. Understand the outline of system. Refer to DI-80, "
System Description" .
3. Perform the preliminary inspection. Refer to DI-98, "
Preliminary Inspection" .
4. Referring to symptom chart, repair or replace the cause of the malfunction. Refer to DI-98, "
SYMPTOM
CHART" .
5. Erase DTC and perform self-diagnosis of LDW system again. Then perform LDW system running test. Refer to DI-95, "
CONSULT-II Function (LDW)" and DI-83, "LDW SYSTEM RUNNING TEST" .
6. Does LDW system operate normally? If it operates normally, GO TO 7. If not, GO TO 3.
7. INSPECTION END
SYMPTOM CHART
Preliminary InspectionNKS0031C
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. “INDICATOR LAMP DRIVE”
Touch “ON” : LDW indicator lamp illuminates.
Touch “OFF” : LDW indicator lamp OFF.
PKIB4692E
Symptom Diagnoses/Service procedure
LDW system is not activated.
(LDW system ON indicator turns ON/OFF.) Perform the following inspections.
1. DI-101, "
LDW Chime Circuit Inspection"
2.DI-105, "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-102, "
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-83, "
Camera Aiming Adjustment" .
Functions when changing the course to the turn signal direc-
tion. Perform
DI-106, "
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-105, "
LDW Indicator Lamp Circuit Inspection" .
Replace LDW camera unit, check function in the above inspection.

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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-83, "
Camera Aiming Adjust-
ment" .
3. CHECK VEHICLE HEIGHT
Check vehicle height. Refer to GI-51, "
Dimensions" .
Is vehicle height appropriate?
OK >> GO TO 4.
NG >> Repair vehicle to appropriate height.
4. CHECK LDW CAMERA UNIT (CONSULT-II)
Perform self-diagnosis of LDW camera unit. Refer to DI-95, "
CONSULT-II 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-16, "
Trouble Diagnosis" .
Power Supply and Ground Circuit InspectionNKS0031D
1. CHECK FUSE
Check for blown LDW camera unit fuse.
OK or NG
OK >> GO TO 2.
NG >> Be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-81, "
FUSE
BLOCK - JUNCTION BOX (J/B)" .
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.
Power source Fuse No.
Ignition power supply 12
Terminals Ignition switch position
(+) (–) OFF ON
Connector Terminal
R9 1 Ground 0 V Battery voltage
PKIC0246E

DI-100
LANE DEPARTURE WARNING SYSTEM
Revision: 2006 December 2006 FX35/FX45
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 MALFNKS0031E
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 INCMPNKS0031F
1. PREFORM CAMERA AIMING ADJUSTMENT
1. Preform camera aiming adjustment. Refer to DI-83, "
Camera Aiming Adjustment" .
2. Erase DTC and perform the LDW camera unit self-diagnosis.
Self
-diagnosis results
No malfunction detected >> INSPECTION END
Malfunction detected >> Replace LDW camera unit.
DTC [C1B02] VHCL SPD DATA MALFNKS0031G
1. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) (CONSULT-II)
Perform self-diagnosis of ABS actuator and electric unit (control unit). Refer to BRC-24, "
CONSULT-II Func-
tions (VDC)" .
Self
-diagnosis results
No malfunction detected >> GO TO 2.
Malfunction detected >> Check applicable parts, and repair or replace corresponding parts.
2. CHECK TCM (CONSULT-II)
Perform self-diagnosis of TCM. Refer to AT- 9 0 , "
CONSULT-II Function (A/T)" .
Self
-diagnosis results
No malfunction detected >> Replace LDW camera unit.
Malfunction detected >> Check applicable parts, and repair or replace corresponding parts. 6 – Ground
: Continuity should exist.
12 – Ground
PKIC0247E