Infiniti G35 (V35). Manual — part 594
LT-56
AUTO LIGHT SYSTEM
TKWM3454E
AUTO LIGHT SYSTEM
LT-57
C
D
E
F
G
H
I
J
L
M
A
B
LT
Terminals and Reference Values for BCM
NKS000H5
CAUTION:
●
Check combination switch system terminal waveform under the loaded condition with lighting
switch, turn signal switch and wiper switch OFF not to be fluctuated by overloaded.
●
Turn wiper dial position to 4 except when checking waveform or voltage of wiper dial position.
Wiper dial position can be confirmed on CONSULT-II. Refer to
.
Termi-
nal No.
Wire
color
Signal name
Measuring condition
Reference value
Ignition
switch
Operation or condition
4
W/L
Combination switch input 3
ON
Lighting, turn,
wiper switch
(Wiper intermit-
tent dial position
4)
OFF
Approx. 0 V
Lighting switch
AUTO
Approx. 1.0 V
11
LG
Ignition switch (ACC)
ACC
—
Battery voltage
12
P
Front door switch passenger
side signal
OFF
Front door switch
passenger side
ON (open)
Approx. 0 V
OFF (closed)
Battery voltage
14
Y/PU
Optical sensor signal
ON
When optical sensor is illuminated
3.1 V or more
Note
When optical sensor is not illumi-
nated
0.6 V or less
17
P
Optical sensor power supply
ON
—
Approx. 5 V
18
B
Sensor ground
ON
—
Approx. 0 V
33
L
Combination switch output 4
ON
Lighting, turn,
wiper switch
(Wiper intermit-
tent dial position
4)
OFF
Approx. 7.2 V
Lighting switch
AUTO
Approx. 1.2 V
38
W/L
Ignition switch (ON)
ON
—
Battery voltage
39
L
CAN - H
—
—
—
40
P
CAN - L
—
—
—
42
GY
Battery power supply
OFF
—
Battery voltage
52
B
Ground
ON
—
Approx. 0 V
55
W/R
Battery power supply
OFF
—
Battery voltage
62
Y
Front door switch driver side
signal
OFF
Front door switch
driver side
ON (open)
Approx. 0 V
OFF (closed)
Battery voltage
PKIB4959J
PKIB4960J
PKIB4958J
LT-58
AUTO LIGHT SYSTEM
NOTE:
Optical sensor must be securely subjected to work lamp light. If the optical sensor is insufficiently illuminated, the measured value may
not satisfy standard.
Terminals and Reference Values for IPDM E/R
NKS000H6
How to Proceed With Trouble Diagnosis
NKS000H7
1.
Confirm the symptom or customer complaint.
2.
Understand operation description and function description. Refer to
.
3.
Perform the preliminary check. Refer to
4.
Check symptom and repair or replace the cause of malfunction. Refer to
.
5.
Does the auto light system operate normally? If YES, GO TO 6. If NO, GO TO 4.
6.
INSPECTION END
Terminal
No.
Wire
color
Signal name
Measuring condition
Reference value
Ignition
switch
Operation or condition
20
R
Headlamp HIGH & LOW (RH)
ON
Lighting switch 2ND
position
OFF
Approx. 0 V
ON
Battery voltage
22
R/L
Parking, license plate, side
marker and tail lamps
ON
Lighting switch 1ST
position
OFF
Approx. 0 V
ON
Battery voltage
27
BR
Headlamp high beam solenoid
(RH)
ON
Lighting switch
HIGH BEAM or
PASSING position
OFF
Approx. 0 V
ON
Battery voltage
28 R/Y
Headlamp high beam solenoid
(LH)
ON
Lighting switch
HIGH BEAM or
PASSING position
OFF
Approx. 0 V
ON
Battery voltage
30
R/B
Headlamp HIGH & LOW (LH)
ON
Lighting switch 2ND
position
OFF
Approx. 0 V
ON
Battery voltage
38
B/R
Ground
ON
—
Approx. 0 V
48
L
CAN - H
—
—
—
49
P
CAN - L
—
—
—
60
B/R
Ground
ON
—
Approx. 0 V
AUTO LIGHT SYSTEM
LT-59
C
D
E
F
G
H
I
J
L
M
A
B
LT
Preliminary Check
NKS000H8
SETTING CHANGE FUNCTIONS
Sensitivity of auto light system can be adjusted using CONSULT-II. Refer to
.
CHECK POWER SUPPLY AND GROUND CIRCUIT
1.
CHECK FUSES AND FUSIBLE LINK
Check for blown fuses and fusible link.
Refer to
LT-54, "Wiring Diagram — AUTO/L —"
OK or NG
OK
>> GO TO 2.
NG
>> If fuse or fusible link is blown, be sure to eliminate cause of malfunction before installing new fuse
or fusible link. Refer to
PG-3, "POWER SUPPLY ROUTING CIRCUIT"
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check voltage between BCM harness connector and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness or connector.
Unit
Power source
Fuse and fusible link No.
BCM
Battery
F
18
Ignition switch ON or START position
1
Ignition switch ACC or ON position
6
IPDM E/R
Battery
71
72
74
76
86
(+)
(
−
)
Ignition switch position
OFF
ACC
ON
BCM
connector
Terminal
M1
11
Ground
Approx. 0 V
Battery
voltage
Battery
voltage
38
Approx. 0 V
Approx. 0 V
Battery
voltage
M2
42
Battery
voltage
Battery
voltage
Battery
voltage
55
Battery
voltage
Battery
voltage
Battery
voltage
PKIA5204E
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