Infiniti M45 (Y34). Manual — part 627
HEADLAMP (FOR USA)
LT-15
C
D
E
F
G
H
I
J
L
M
A
B
LT
TKWA0521E
LT-16
HEADLAMP (FOR USA)
TKWA0522E
HEADLAMP (FOR USA)
LT-17
C
D
E
F
G
H
I
J
L
M
A
B
LT
Terminals and Reference Value for Headlamp Battery Saver Control Unit
AKS002F0
Terminal
No.
Wire
color
Item
Operation or condition
Reference value
1
W/B
Ignition switch ON or
START
Ignition switch
OFF or ACC
Approx. 0V
ON or START
Battery voltage
2
W/PU
Headlamp relay out 1
Ignition switch
(with lighting switch
except OFF or 1ST)
OFF
or
ACC
More than 45 seconds after ignition
switch is turned OFF or ACC
Battery voltage
Within 45 seconds after ignition
switch is turned OFF or ACC
Approx. 0V
ON or START
Approx. 0V
Headlamps illuminate by auto light control.
Approx. 0V
3
R/B
Headlamp switch 1
Lighting switch
1ST
2.4V
PASS or 2ND
Approx. 0V
Headlamps illuminate by auto light control.
Approx. 0V
4
B
Ground
—
Approx. 0V
5
L
Tail lamp switch 1
Lighting switch
OFF
Battery voltage
1ST or 2ND
Approx. 0V
6
LG/B
Tail lamp relay out 1
Ignition switch
(with lighting switch
1ST or 2ND)
OFF
or
ACC
More than 45 seconds after ignition
switch is turned OFF or ACC
Battery voltage
Within 45 seconds after ignition
switch is turned OFF or ACC
Approx. 0V
ON or START
Approx. 0V
Headlamps illuminate by auto light control.
Approx. 0V
7
Y/G
Battery power supply
—
Battery voltage
8
W/PU
Headlamp relay out 2
Ignition switch
(with lighting switch
except OFF or 1ST)
OFF
or
ACC
More than 45 seconds after ignition
switch is turned OFF or ACC
Battery voltage
With 45 seconds after ignition
switch is turned OFF or ACC
Approx. 0V
ON or START
Approx. 0V
Headlamps illuminate by auto light control.
Approx. 0V
9
R/B
Headlamp switch 2
Lighting switch
1ST
2.4V
PASS or 2ND
Approx. 0V
Headlamps illuminate by auto light control.
Approx. 0V
10
Y/R
RAP input signal
Ignition switch
OFF or ACC (After more than 45 seconds
with ignition switch turned OFF or ACC)
Battery voltage
ON or START
Approx. 0V
11
B
Ground
—
Approx. 0V
13
L
Tail lamp switch 2
Lighting switch
OFF
Battery voltage
1ST or 2ND
Approx. 0V
14
LG/B
Tail lamp relay out 2
Ignition switch
(with lighting switch
1ST or 2ND)
OFF
or
ACC
More than 45 seconds after ignition
switch is turned OFF or ACC
Battery voltage
Within 45 seconds after ignition
switch is turned OFF or ACC
Approx. 0V
ON or START
Approx. 0V
Headlamps illuminate by auto light control.
Approx. 0V
LT-18
HEADLAMP (FOR USA)
Terminals and Reference Value for BCM
AKS002F1
Work Flow
AKS002F2
1.
Confirm the symptom or customer complaint.
2.
Understand system description. Refer to
3.
Perform the preliminary check. Refer to
4.
Find the cause of malfunction following the symptom chart and repair or replace as necessary. Refer to
(for headlamp system) or
5.
Does the headlamp system or the auto light system operate normally? If YES, GO TO 6. If NO, GO TO 4.
6.
INSPECTION END
Terminal
No.
Wire
color
Item
Measuring condition
Reference value
Ignition
switch
Operation or condition
3
R/L
Tail lamp signal
ON
Lighting switch: 1st
ON
Battery voltage
OFF
Approx. 0V
5
W/PU
Headlamp relay control signal
ON
Lighting switch:
AUTO
Light is applied to
optical sensor.
Battery voltage
Light is not applied to
optical sensor.
Approx. 0V
11
LG/B
Tail lamp relay control signal
ON
Light switch: AUTO
Light is applied to
optical sensor.
Battery voltage
Light is not applied to
optical sensor.
Approx. 0V
14
Y/L
Lighting switch AUTO signal
ON
Lighting switch
AUTO
Approx. 0V
OFF
8V
17
BR/Y
Data link RX
—
—
—
18
P
Data link TX
—
—
—
30
PU
Communication signal TX
(BCM-AV: Transmission)
—
—
—
31
LG
Communication signal RX
(AV-BCM: Receiving)
—
—
—
37
LG
Front door switch (Passenger
side) signal
OFF
Front door switch
(Passenger side)
ON (open)
Approx. 0V
OFF (close)
Battery voltage
52
G/R
Auto light sensor signal
ON
Light is applied to optical sensor.
3V or more
Light is not applied to optical sensor.
Approx. 0V
56
B
Ground
—
—
Approx. 0V
58
Y/B
Auto light sensor ground
ON
—
Approx. 0V
59
SB
Auto light sensor power supply
ON
—
5V or more
60
L/OR
Ignition switch ACC or ON
ACC
—
Battery voltage
68
W/B
Ignition switch ON or START
ON
—
Battery voltage
105
Y/L
Battery power supply
OFF
—
Battery voltage
113
B
Ground
—
—
Approx. 0V
135
Y/G
RAP output signal
OFF
When headlamp battery saver timer is oper-
ated
Approx. 0V
142
R/Y
Front door switch (Driver side)
signal
OFF
Front door switch
(Driver side) signal
ON (open)
Approx. 0V
OFF (close)
Battery voltage
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