Infiniti M35/M45 Y50. Manual — part 378
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LANE DEPARTURE WARNING SYSTEM
DI-95
C
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DTC [U1000] CAN COMM CIRCUIT
NKS003VT
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-44, "CAN Diagnostic Support Monitor"
.
DTC [U1010] CONTROL UNIT (CAN)
NKS003VU
Replace LDW camera unit, when “[U1010] CONTROL UNIT (CAN)” is displayed on self-diagnosis display.
LDW Chime Circuit Inspection
NKS003VV
1.
CHECK OPERATION OF LDW CHIME
Check LDW chime operation “BUZZER DRIVE” in “ACTIVE TEST”
mode with CONSULT-II.
OK or NG
OK
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 LDW chime harness connector and
ground.
OK or NG
OK
>> GO TO 3.
NG
>> Check harness between fuse and LDW chime.
3.
CHECK LDW CHIME GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between LDW chime harness connector and
ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair harness or connector.
“BUZZER DRIVE”
Touch “ON”
: LDW chime is activated.
Touch “OFF”
: LDW chime is not activated.
SKIB1787E
Terminals
Voltage (Approx.)
(+)
(–)
LDW chime connector
Terminal
M58
1
Ground
Battery voltage
PKIC0248E
LDW chime connector
Terminal
Ground
Continuity
M58
3
Yes
PKIC0249E
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DI-96
LANE DEPARTURE WARNING SYSTEM
4.
CHECK LDW CHIME SIGNAL CIRCUIT
1.
Disconnect LDW camera unit connector.
2.
Check continuity between LDW camera unit harness connector
(A) and LDW chime harness connector (B).
3.
Check continuity between LDW camera unit harness connector
(A) and ground.
OK or NG
OK
>> GO TO 5.
NG
>> Repair harness or connector.
5.
CHECK LDW CHIME
1.
Connect LDW chime connector.
2.
Turn ignition switch ON.
3.
Apply ground to LDW chime terminal.
4.
Check condition of the LDW chime.
OK or NG
OK
>> Replace LDW camera unit.
NG
>> Replace LDW chime.
LDW Switch Circuit Inspection
NKS003VW
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
>> LDW system ON indicator is OK. Return to
NG
>> GO TO 2.
2.
CHECK LDW SWITCH SIGNAL INPUT
Check voltage between LDW camera unit harness connector and
ground.
OK or NG
OK
>> GO TO 6.
NG
>> GO TO 3.
A
B
Continuity
Connector
Terminal
Connector
Terminal
M182
3
M58
2 Yes
A
Ground
Continuity
Connector
Terminal
M182
3
No
PKIC0250E
LDW chime connector
Terminal
Ground
Condition
M58
2
LDW chime should operate.
PKIC0251E
Terminals
Condition
Voltage (Approx.)
(+)
(–)
LDW camera
unit connector
Terminal
LDW switch:
M182
9
Ground
Push
0 V
Release
5 V
PKIC0252E
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LANE DEPARTURE WARNING SYSTEM
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3.
CHECK LDW SWITCH GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect LDW switch connector.
3.
Check continuity between LDW switch connector 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
(A) and LDW switch harness connector (B).
3.
Check continuity between LDW camera unit harness connector
(A) 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.
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.
LDW switch connector
Terminal
Ground
Continuity
M49
6
Yes
PKIC0253E
A
B
Continuity
Connector
Terminal
Connector
Terminal
M182
9
M49
7
Yes
A
Ground
Continuity
Connector
Terminal
M182
9
No
PKIC0254E
“SYSTEM ON LAMP DRIVE”
Touch “ON”
: LDW system ON indicator illuminates.
Touch “OFF”
: LDW system ON indicator turns OFF.
SKIB1788E
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DI-98
LANE DEPARTURE WARNING SYSTEM
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 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
(A) and LDW switch harness connector (B).
3.
Check continuity between LDW camera unit harness connector
(A) and ground.
OK or NG
OK
>> GO TO 9.
NG
>> Repair harness or connector.
9.
CHECK LDW SYSTEM ON INDICATOR
1.
Connect LDW switch connector.
2.
Turn ignition switch ON.
3.
Apply ground to LDW switch terminal.
4.
Check condition of the LDW system ON indicator.
OK or NG
OK
>> Replace LDW camera unit.
NG
>> Replace LDW switch.
Terminals
Voltage (Approx.)
(+)
(–)
LDW chime connector
Terminal
M49
3
Ground
Battery voltage
PKIC0255E
A
B
Continuity
Connector
Terminal
Connector
Terminal
M182
4
M49
2
Yes
A
Ground
Continuity
Connector
Terminal
M182
4 No
PKIC0256E
LDW switch
connector
Terminal
Ground
Condition
M49
2
LDW system ON indicator
should illuminate.
PKIC0257E
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