INFINITI FX35 2007 Service Manual

LANE DEPARTURE WARNING SYSTEM DI-95
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Revision: 2006 July 2007 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-77, "
System Description" .
3. Perform the preliminary inspection. Refer to DI-95, "
Preliminary Inspection" .
4. Referring to symptom chart, repair or replace the cause of the malfunction. Refer to DI-95, "
SYMPTOM
CHART" .
5. Erase DTC and perform self-diagnosis of LDW system again. Then perform LDW system running test. Refer to DI-92, "
CONSULT-II Function (LDW)" and DI-80, "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-98, "
LDW Chime Circuit Inspection"
2.DI-102, "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-99, "
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-80, "
Camera Aiming Adjustment" .
Functions when changing the course to the turn signal direc-
tion. Perform
DI-103, "
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-102, "
LDW Indicator Lamp Circuit Inspection" .
Replace LDW camera unit, check function in the above inspection.

DI-96
LANE DEPARTURE WARNING SYSTEM
Revision: 2006 July 2007 FX35/FX45
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-80, "
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-92, "
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-80, "
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

LANE DEPARTURE WARNING SYSTEM DI-97
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Revision: 2006 July 2007 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-80, "
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 (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-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

DI-98
LANE DEPARTURE WARNING SYSTEM
Revision: 2006 July 2007 FX35/FX45
DTC [C1B03] ABNRML TEMP DETECTNKS0031H
1. COOLING CAMERA UNIT
1. Cooling camera unit.
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 [U1000] CAN COMM CIRCUITNKS0031I
1. CHECK CAN COMMUNICATION
1. Select “SELF-DIAG RESULTS” mode for “LDW” with CONSULT-II.
2. Print out CONSULT-II screen.
>> Go to “LAN SYSTEM”. Refer to LAN-49, "
CAN System Specification Chart" .
DTC [U1010] CONTROL UNIT (CAN)NKS0031J
Replace LDW camera unit, when “[U1010] CONTROL UNIT (CAN)” is displayed on self-diagnosis display.
LDW Chime Circuit InspectionNKS0031K
1. CHECK LDW CHIME OPERATION
Check LDW chime operation “BUZZER DRIVE” in “ACTIVE TEST”
mode with CONSULT-II.
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.
4. Check voltage between warning chime harness connector M97 terminal 1 and ground.
OK or NG
OK >> GO TO 3.
NG >> Check harness between fuse and LDW chime. “BUZZER DRIVE”
Touch “ON” : LDW chime is activated.
Touch “OFF” : LDW chime is not activated.
SKIB1787E
1 – Ground : Battery voltage
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LANE DEPARTURE WARNING SYSTEM DI-99
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Revision: 2006 July 2007 FX35/FX45
3. CHECK LDW CHIME GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between LDW chime harness connector M97 terminal 3 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair harness or connector.
4. CHECK LDW CHIME SIGNAL CIRCUIT
1. Disconnect LDW camera unit connector.
2. Check continuity between LDW camera unit harness connector (A) R9 terminal 3 and LDW chime harness connector (B) M97
terminal 2.
3. Check continuity between LDW camera unit harness connector (A) R9 terminal 3 and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair harness or connector.
5. CHECK LDW CHIME OPERATION
1. Connect LDW chime connector.
2. Turn ignition switch ON.
3. Apply ground to LDW chime terminal 2.
4. Check condition of the LDW chime.
OK or NG
OK >> Replace LDW camera unit.
NG >> Replace LDW chime.
LDW Switch Circuit InspectionNKS0031L
1. CHECK OPERATION OF LDW SYSTEM ON INDICATOR
1. Turn ignition switch ON.
2. Check LDW system ON indicator operation when LDW switch is ON/OFF.
OK or NG
OK >> INSPECTION END
NG >> GO TO 2. 3 – Ground : Continuity should exist.
PKIC0249E
3 – 2 : Continuity should exist.
3 – Ground : Continuity should not exist.
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2 – Ground : LDW chime should operate.
PKIC0251E

DI-100
LANE DEPARTURE WARNING SYSTEM
Revision: 2006 July 2007 FX35/FX45
2. CHECK LDW SWITCH SIGNAL INPUT
Check voltage between LDW camera unit harness connector R9 ter-
minal 9 and ground.
OK or NG
OK >> GO TO 6.
NG >> GO TO 3.
3. CHECK LDW SWITCH GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect LDW switch connector.
3. Check continuity between LDW switch connector M96 terminal 6 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair harness or connector.
4. CHECK LDW SWITCH SIGNAL INPUT CIRCUIT
1. Disconnect LDW camera unit connector.
2. Check continuity between LDW camera unit harness connector R9 terminal 9 and LDW switch harness connector M96 terminal
7.
3. Check continuity between LDW camera unit harness connector R9 terminal 9 and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair harness or connector.
5. CHECK LDW SWITCH
Check LDW switch. Refer to
OK or NG
OK >> Replace LDW camera unit.
NG >> Replace LDW switch. 9 – Ground
When LDW switch is pressed : Approx. 0 V
When LDW switch is released : Approx. 5 V
PKIC0252E
6 – Ground : Continuity should exist.
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9 – 7 : Continuity should exist.
9 – Ground : Continuity should not exist.
PKIB4703E

LANE DEPARTURE WARNING SYSTEM DI-101
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Revision: 2006 July 2007 FX35/FX45
6. CHECK OPERATION OF LDW SYSTEM ON INDICATOR
Check LDW system ON indicator operation “SYSTEM ON LAMP
DRIVE” in “ACTIVE TEST” mode with CONSULT-II.
NOTE:
Perform “SYSTEM ON LAMP DRIVE” when LDW system ON indica-
tor turns OFF.
OK or NG
OK >> Replace LDW camera unit.
NG >> GO TO 7.
7. CHECK LDW SYSTEM ON INDICATOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect LDW switch connector.
3. Turn ignition switch ON.
4. Check voltage between LDW switch harness connector M96 ter- minal 3 and ground.
OK or NG
OK >> GO TO 8.
NG >> Check harness between fuse and LDW switch.
8. CHECK LDW SYSTEM ON INDICATOR SIGNAL CIRCUIT
1. Disconnect LDW camera unit connector.
2. Check continuity between LDW camera unit harness connector R9 terminal 4 and LDW switch harness connector M96 terminal
2.
3. Check continuity between LDW camera unit harness connector R9 terminal 4 and ground.
OK or NG
OK >> GO TO 9.
NG >> Repair harness or connector. “SYSTEM ON LAMP DRIVE”
Touch “ON” : LDW system ON indicator illuminates.
Touch “OFF” : LDW system ON indicator turns OFF.
SKIB1788E
3 – Ground : Battery voltage
PKIB4705E
4 – 2 : Continuity should exist.
4 – Ground : Continuity should not exist.
PKIB4706E

DI-102
LANE DEPARTURE WARNING SYSTEM
Revision: 2006 July 2007 FX35/FX45
9. CHECK LDW SYSTEM ON INDICATOR
1. Connect LDW switch connector.
2. Turn ignition switch ON.
3. Apply ground to LDW switch terminal 2.
4. Check condition of the LDW system ON indicator.
OK or NG
OK >> Replace LDW camera unit.
NG >> Replace LDW switch.
LDW Indicator Lamp Circuit InspectionNKS0031M
1. CHECK OPERATION OF LDW INDICATOR LAMP
Check LDW indicator operation “INDICATOR LAMP DRIVE” in
“ACTIVE TEST” mode with CONSULT-II.
OK or NG
OK >> INSPECTION END
NG >> GO TO 2.
2. CHECK LDW INDICATOR LAMP SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect LDW camera unit connector and combination meter connector.
3. Check continuity between LDW camera unit harness connector R9 terminal 8 and combination meter harness connector M20
terminal 17.
4. Check continuity between LDW camera unit harness connector R9 terminal 8 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector. 2 – Ground : LDW system ON indicator
should illuminate.
PKIB4707E
“INDICATOR LAMP DRIVE”
Touch “ON” : LDW indicator lamp illuminates.
Touch “OFF” : LDW indicator lamp OFF.
PKIB4692E
8 – 17 : Continuity should exist.
8 – Ground : Continuity should not exist.
PKIB4708E

LANE DEPARTURE WARNING SYSTEM DI-103
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Revision: 2006 July 2007 FX35/FX45
3. CHECK LDW INDICATOR LAMP OPERATION
1. Connect combination meter connector.
2. Turn ignition switch ON.
3. Ground combination meter harness connector M20 terminal 17.
OK or NG
OK >> Replace LDW camera unit.
NG >> Replace combination meter.
Turn Signal Input InspectionNKS0031N
1. CHECK TURN SIGNAL INPUT
Check turn signal input “TURN SIGNAL” in “DATA MONITOR” mode
with CONSULT-II.
OK or NG
OK >> INSPECTION END
NG >> Check turn signal and hazard warning lamps system,
and repair or replace corresponding parts. Refer to LT-
100, "How to Proceed With Trouble Diagnosis" .
Electrical Component InspectionNKS003IB
LDW SWITCH
Check continuity between terminals 6 and 7. 17 – Ground : LDW indicator should illuminate.
PKIB4709E
“TURN SIGNAL”
When lighting switch is in TURN RH position : RH
When lighting switch is in TURN LH position : LH
When hazard switch is turned ON : RH/LH
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Terminal Condition Continuity
67 When LDW switch is pressed. Yes
When LDW switch is released. No
PKIB4704E

DI-104
LANE DEPARTURE WARNING SYSTEM
Revision: 2006 July 2007 FX35/FX45
Removal and Installation for LDW Camera UnitNKS0031O
REMOVAL
1. Remove roof console. Refer to EI-43, "HEADLINING" .
2. Disconnect LDW camera unit connector.
3. Remove the bolts (3), and remove LDW camera unit.
INSTALLATION
Installation is the reverse order of removal.
CAUTION:

Remove the camera lens cap for replacement.

Never give an impact to the LDW camera unit.

Adjust the camera aiming every time the LDW camera unit is removed or installed. Refer to DI-80,
"Camera Aiming Adjustment" .
Removal and Installation for LDW ChimeNKS0031P
REMOVAL
1. Remove instrument side panel (LH). Refer to IP-10, "INSTRU-
MENT PANEL ASSEMBLY" .
2. Remove the bolt (1).
3. Disconnect LDW chime connector and remove LDW chime.
INSTALLATION
Installation is the reverse order of removal.
Removal and Installation for LDW SwitchNKS0031Q
Refer to IP-10, "INSTRUMENT PANEL ASSEMBLY" .
SKIB1791E
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