Infiniti F50. Manual - part 637

HEADLAMP (FOR USA)

LT-15

C

D

E

F

G

H

I

J

L

M

A

B

LT

TKWM0334E

LT-16

HEADLAMP (FOR USA)

TKWM0335E

HEADLAMP (FOR USA)

LT-17

C

D

E

F

G

H

I

J

L

M

A

B

LT

Terminals and Reference Value for Battery Saver Control Unit

EKS000T4

Terminal 

No.

Wire 

color

Item

Condition

Reference value

(Approximate values)

1

W/G

IGN power supply

Ignition switch

OFF or ACC

Less than 1V

ON or START

Battery voltage

2

R/Y

Headlamp relay 
OUT1

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

Less than 1V

ON or START

Less than 1V

Headlamps illuminate by auto light control.

Less than 1V

3

R/B

Headlamp switch1

Lighting switch

1ST

2.4V

PASS or 2ND

Less than 1V

Headlamps illuminate by auto light control.

Less than 1V

4

B

Ground

—

—

5

L

Tail lamp switch1

lighting switch

OFF

Battery voltage

1ST or 2ND

Less than 1V

6

LG/B

Tail lamp relay 
OUT1

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

Less than 1V

ON or START

Less than 1V

Headlamps illuminate by auto light control. 

Less than 1V

7

Y/G

BAT power supply

—

Battery voltage

8

R/Y

Headlamp relay 
OUT2

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

Less than 1V

ON or START

Less than 1V

Headlamps illuminate by auto light control.

Less than 1V

9

R/B

Headlamp switch2

Lighting switch

1ST

2.4V

PASS or 2ND

Less than 1V

Headlamps illuminate by auto light control.

Less than 1V

10

Y/G

RAP signal 

Ignition switch

OFF or ACC (After more than 45 sec-
onds with ignition switch turned OFF or 
ACC)

Battery voltage

ON or START

Less than 1V

11

B

Ground

—

—

13

L

Tail lamp switch2

Lighting switch

OFF

Battery voltage

1ST or 2ND

Less than 1V

LT-18

HEADLAMP (FOR USA)

Terminals and Reference Value for BCM

EKS000XP

14

LG/B

Tail lamp relay 
OUT2

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

Less than 1V

ON or START

Less than 1V

Headlamps illuminate by auto light control.

Less than 1V

Terminal 

No.

Wire 

color

Item

Condition

Reference value

(Approximate values)

Terminal 

NO.

Wire 

color

Item

Measuring condition

Reference value

(Approximate values)

Ignition 

switch

Operation or condition

3

R/L

Parking (clearance) lamp sig-
nal

—

Lighting switch: 
1st

OFF

Less than 1V

ON

Battery voltage

5

R/Y

Headlamp relay signal

ON

Lighting switch: 
AUTO

Light is applied to optical 
sensor.

Battery voltage

Light is not applied to 
optical sensor.

Less than 1V

6

L/Y

Automatic brightness adjust-
ment signal

ON

Lighting switch:
ON

Light is applied to optical 
sensor.

Less than 1V

Light is not applied to 
optical sensor.

Battery voltage

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.

Less than 1V

14

Y

Lighting switch AUTO signal

ON

Lighting switch

AUTO

Less than 1V

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

W/G

Passenger door switch signal

OFF

Passenger door 
switch

ON (open)

Less than 1V

OFF (close)

Battery voltage

52

G/R

Optical sensor signal

ON

Light is applied to optical sensor.

3V

Light is not applied to optical sensor.

Less than 1V

56

B

Ground

—

—

—

58

Y/B

Optical sensor ground

ON

—

Less than 1V

59

SB

Optical sensor power supply

ON

—

5V

60

L/OR

ACC power supply

ACC

—

Battery voltage

68

W/B

IGN power supply

ON

—

Battery voltage

69

PU/W

Key-in detection switch signal

OFF

Key withdrawn (OFF)

Less than 1V

Key inserted (ON)

Battery voltage

105

Y/L

BAT power supply

OFF

—

Battery voltage

113

B

Ground

—

—

—