Infiniti M35/M45 Y50. Manual — part 896
AUTO LIGHT SYSTEM
LT-129
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DATA MONITOR
Operation Procedure
1.
Touch “HEAD LAMP” on “SELECT TEST ITEM” screen.
2.
Touch “DATA MONITOR” on “SELECT DIAG MODE” screen.
3.
Touch either “ALL SIGNALS” or “SELECTION FROM MENU” on the “SELECT MONITOR ITEM” screen.
4.
When “SELECTION FROM MENU” is selected, touch individual items to be monitored. When “ALL SIG-
NALS” is selected, all the items will be monitored.
5.
Touch “START”.
6.
Touch “RECORD” while monitoring, then the status of the monitored item can be recorded. To stop
recording, touch “STOP”.
Display Item List
NOTE:
This item is displayed, but cannot be monitored.
ALL SIGNALS
Monitors all the signals.
SELECTION FROM MENU
Selects items and monitor them.
Monitor item
Contents
IGN ON SW
“ON/OFF”
Displays “IGN position (ON)/OFF, ACC position (OFF)” judged from the ignition switch signal.
ACC ON SW
“ON/OFF”
Displays “ACC (ON)/OFF, Ignition OFF (OFF)” status judged from ignition switch signal.
KEY ON SW
“ON/OFF”
Displays “Intelligent Key inserted into key slot (ON)/Intelligent Key removed from key slot
(OFF)” status judged from the key switch signal.
TURN SIGNAL R
“ON/OFF”
Displays status (turn right: ON/others: OFF) as judged from lighting switch signal.
TURN SIGNAL L
“ON/OFF”
Displays status (turn left: ON/others: OFF) as judged from lighting switch signal.
HI BEAM SW
“ON/OFF”
Displays status (high beam switch: ON/others: OFF) of high beam switch judged from lighting
switch signal.
HEAD LAMP SW 1
“ON/OFF”
Displays status (headlamp switch 1: ON/others: OFF) of headlamp switch 1 judged from light-
ing switch signal.
HEAD LAMP SW 2
“ON/OFF”
Displays status (headlamp switch 2: ON/others: OFF) of headlamp switch 2 judged from light-
ing switch signal.
TAIL LAMP SW
“ON/OFF”
Displays status (lighting switch 1ST or 2ND position: ON/others: OFF) of lighting switch judged
from lighting switch signal.
AUTO LIGHT SW
“ON/OFF”
Displays status of the lighting switch as judged from the lighting switch signal. (AUTO position:
ON/other than AUTO position: OFF)
PASSING SW
“ON/OFF”
Displays status (flash-to-passing switch: ON/others: OFF) of flash-to-passing switch judged
from lighting switch signal.
FR FOG SW
“ON/OFF”
Displays status (front fog lamp switch: ON/others: OFF) of front fog lamp switch judged from
lighting switch signal.
DOOR SW - DR
“ON/OFF”
Displays status of the driver door as judged from the driver door switch signal. (door is open:
ON/door is closed: OFF)
DOOR SW - AS
“ON/OFF”
Displays status of the passenger door as judged from the passenger door switch signal. (door
is open: ON/door is closed: OFF)
DOOR SW - RR
“ON/OFF”
Displays status of the rear door as judged from the rear door switch (RH) signal. (door is open:
ON/door is closed: OFF)
DOOR SW - RL
“ON/OFF”
Displays status of the rear door as judged from the rear door switch (LH) signal. (door is open:
ON/door is closed: OFF)
BACK DOOR SW
NOTE
“OFF”
—
I - KEY LOCK
“ON/OFF”
Displays “locked (ON)/other (OFF)” status, determined from lock signal.
OPTICAL SENSOR
“0 - 5V”
Displays “outside brightness (close to 5 V when light/close to 0 V when dark)” judged from
optical sensor signal.
VEHICLE SPEED
“km/h”
Displays vehicle speed as judged from vehicle speed signal.
LT-130
AUTO LIGHT SYSTEM
ACTIVE TEST
Operation Procedure
1.
Touch “HEAD LAMP” on “SELECT TEST ITEM” screen.
2.
Touch “ACTIVE TEST” on “SELECT DIAG MODE” screen.
3.
Touch item to be tested and check operation of the selected item.
4.
During the operation check, touching “BACK” deactivates the operation.
Display Item List
NOTE:
This item is tested only for CANADA models.
Symptom Chart
NKS003QA
Test item
Description
TAIL LAMP
Allows tail lamp relay to operate by switching ON-OFF.
FR FOG LAMP
Allows front fog lamp relay to operate by switching ON-OFF.
DAYTIME RUNNING LIGHT
NOTE
Allows daytime light relay to operate by switching ON-OFF.
HEAD LAMP (HI, LO)
Allows headlamp relay to operate by switching ON-OFF.
Phenomenon
Malfunction system and reference
●
Parking lamps and headlamps will not illuminate when outside
of the vehicle becomes dark. (Lighting switch 1ST position and
2ND position operate normally.)
●
Parking lamps and headlamp will not go out when outside of the
vehicle becomes light. (Lighting switch 1ST position and 2ND
position operate normally.)
●
Headlamps go out when outside of the vehicle becomes light,
but parking lamps stay on.
●
Refer to
.
●
Refer to
LT-131, "Lighting Switch Inspection"
●
Refer to
LT-131, "Optical Sensor System Inspection"
.
If above systems are normal, replace BCM.
Parking lamps illuminate when outside of the vehicle becomes
dark, but headlamps stay off. (Lighting switch 1ST position and
2ND position operate normally.)
●
Refer to
.
●
Refer to
LT-131, "Optical Sensor System Inspection"
.
If above systems are normal, replace BCM.
With the ignition key in ACC position, headlamps, clearance
lamps, tail lamps, etc. will not go out when the driver's door is
opened.
●
Refer to
.
If above system is normal, replace BCM.
Auto light adjustment system will not operate. (Lighting switch
AUTO, 1ST position and 2ND position operate normally.)
●
Refer to
LT-131, "Optical Sensor System Inspection"
.
If above system is normal, replace BCM.
Auto light adjustment system of combination meter will not oper-
ate.
●
CAN communication line inspection between BCM and combi-
nation meter: Refer to
BCS-13, "CAN Communication Inspec-
AUTO LIGHT SYSTEM
LT-131
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LT
Lighting Switch Inspection
NKS003QB
1.
CHECK LIGHTING SWITCH INPUT SIGNAL
With CONSULT-II
1.
Select “BCM” on CONSULT-II, and select “HEAD LAMP” on
“SELECT TEST ITEM” screen.
2.
Select “DATA MONITOR” on “SELECT DIAG MODE” screen,
and make sure “AUTO LIGHT SW” turns ON–OFF linked with
operation of lighting switch.
Without CONSULT-II
Refer to
LT-239, "Combination Switch Inspection"
OK or NG
OK
>> INSPECTION END
NG
>> Replace combination switch (lighting switch). Refer to
LT-239, "Combination Switch Inspection"
.
Optical Sensor System Inspection
NKS003QC
1.
CHECK OPTICAL SENSOR INPUT SIGNAL
With CONSULT-II
1.
Select “BCM” on CONSULT-II, and select “HEAD LAMP” on
“SELECT TEST ITEM” screen.
2.
Select “DATA MONITOR” on “SELECT DIAG MODE” screen.
On “OPTICAL SENSOR”, check difference in the voltage when
optical sensor is illuminated and not illuminated.
CAUTION:
Optical sensor must be securely subjected to work lamp light. If the optical sensor is insufficiently
illuminated, the measured value may not satisfy the standard.
Without CONSULT-II
1.
Turn ignition switch ON.
2.
Check voltage between BCM harness connector and ground.
CAUTION:
Optical sensor must be securely subjected to work lamp light. If the optical sensor is insufficiently
illuminated, the measured value may not satisfy the standard.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 2.
When lighting switch is AUTO
position
: AUTO LIGHT SW ON
PKIA7595E
Illuminated
OPTICAL SENSOR
: 3.1 V or more
Not illuminated
OPTICAL SENSOR
: 0.6 V or less
Terminal
Condition
Voltage
(Approx.)
(+)
(-)
BCM
connector
Terminal
M1
14
Ground
Illuminated
Optical sensor
3.1 V or more
Not illuminated
Optical sensor
0.6 V or less
PKIA7596E
PKIB6163E
LT-132
AUTO LIGHT SYSTEM
2.
CHECK OPTICAL SENSOR POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector and optical sensor connector.
3.
Check continuity (open circuit) between BCM harness connector
and optical sensor harness connector.
4.
Check continuity (short circuit) between BCM harness connector
and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness or connector.
3.
CHECK OPTICAL SENSOR SIGNAL CIRCUIT
1.
Check continuity (open circuit) between BCM harness connector
and optical sensor harness connector.
2.
Check continuity between (short circuit) BCM harness connector
and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair harness or connector.
4.
CHECK OPTICAL SENSOR GROUND CIRCUIT
1.
Check continuity (open circuit) between BCM harness connector
and optical sensor harness connector.
2.
Check continuity (short circuit) between BCM harness connector
and ground.
OK or NG
OK
>> GO TO 5.
NG
>> Repair harness or connector.
BCM Optical
sensor
Continuity
Connector
Terminal
Connector
Terminal
M1
17
M48
1
Yes
BCM connector
Terminal
Ground
Continuity
M1
17
No
PKIA6257E
BCM Optical
sensor
Continuity
Connector
Terminal
Connector
Terminal
M1
14
M48
2
Yes
BCM connector
Terminal
Ground
Continuity
M1
14
No
PKIA6258E
BCM Optical
sensor
Continuity
Connector
Terminal
Connector
Terminal
M1
18
M48
3
Yes
BCM connector
Terminal
Ground
Continuity
M1
18
No
PKIA6259E
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