Nissan Frontier D40. Manual - part 1151

BCM (BODY CONTROL MODULE)

WT-27

< ECU DIAGNOSIS >

C

D

F

G

H

I

J

K

L

M

A

B

WT

N

O

P

32

O

Combination switch 
output 5

Output

ON

Lighting, turn, wiper OFF
Wiper dial position 4

33

GR

Combination switch 
output 4

Output

ON

Lighting, turn, wiper OFF
Wiper dial position 4

34

G

Combination switch 
output 3

Output

ON

Lighting, turn, wiper OFF
Wiper dial position 4

35

BR

Combination switch 
output 2

Output

ON

Lighting, turn, wiper OFF
Wiper dial position 4

36

LG

Combination switch 
output 1

37

B

Key switch

Input

OFF

Key inserted

Battery voltage

Key removed

0V

38

W/R

Ignition switch (ON) 

Input

ON

—

Battery voltage

39

L

CAN-H

—

—

—

—

40

P

CAN-L

—

—

—

—

45

V

Lock switch

Input

OFF

ON (lock)

0V

OFF

Battery voltage

46

LG

Unlock switch

Input

OFF

ON (unlock)

0V

OFF

Battery voltage

47

GR

Front door switch LH 
(All)

Input

OFF

ON (open)

0V

Rear door switch up-
per LH (King Cab)

OFF (closed)

Battery voltage

Rear door switch low-
er LH (King Cab)

48

P

Rear door switch LH 
(Crew Cab)

Input

OFF

ON (open)

0V

OFF (closed)

Battery voltage

50

P

Cargo lamp

Output

OFF

Any door open (ON)

0V

All doors closed (OFF)

Battery voltage

Terminal

Wire 

color

Item

Signal 

input/

output

Measuring condition

Reference value or waveform

(Approx.)

Ignition 

switch

Operation or condition

SKIA5291E

SKIA5292E

SKIA5291E

SKIA5292E

WT-28

< ECU DIAGNOSIS >

BCM (BODY CONTROL MODULE)

51

O

Trailer turn signal 
(right)

Output

ON

Turn right ON

52

LG

Trailer turn signal (left)

Output

ON

Turn left ON

56

R/Y

Battery saver output

Output

OFF

30 minutes after ignition 
switch is turned OFF

0V

ON

—

Battery voltage

57

R/Y

Battery power supply

Input

—

—

Battery voltage

58

W

Optical sensor

Input

ON

When optical sensor is illumi-
nated

3.1V or more

When optical sensor is not illu-
minated

0.6V or less

59

GR

Front door lock as-
sembly LH (unlock)

Output

OFF

OFF (neutral)

0V

ON (unlock)

Battery voltage

60

LG

Turn signal (left)

Output

ON

Turn left ON

61

G

Turn signal (right)

Output

ON

Turn right ON

63

BR

Interior room/map 
lamp

Output

OFF

Any door 
switch

ON (open)

0V

OFF (closed)

Battery voltage

65

V

All door lock actuators 
(lock)

Output

OFF

OFF (neutral)

0V

ON (lock)

Battery voltage

66

L

Front door lock actua-
tor RH, rear door lock 
actuators LH/RH (un-
lock)

Output

OFF

OFF (neutral)

0V

ON (unlock)

Battery voltage

67

B

Ground

Input

ON

—

0V

Terminal

Wire 

color

Item

Signal 

input/

output

Measuring condition

Reference value or waveform

(Approx.)

Ignition 

switch

Operation or condition

SKIA3009J

SKIA3009J

SKIA3009J

SKIA3009J

BCM (BODY CONTROL MODULE)

WT-29

< ECU DIAGNOSIS >

C

D

F

G

H

I

J

K

L

M

A

B

WT

N

O

P

1: King cab (with power door lock system)

2: Crew cab (with power door lock system)

68

1

O

Power window power 
supply (RAP)

Output

—

Ignition switch ON

Battery voltage

Within 45 seconds after igni-
tion switch OFF

Battery voltage

More than 45 seconds after ig-
nition switch OFF

0V

When front door LH or RH is 
open or power window timer 
operates

0V

68

2

SB

Power window power 
supply (RAP)

Output

—

Ignition switch ON

Battery voltage

Within 45 seconds after igni-
tion switch OFF

Battery voltage

More than 45 seconds after ig-
nition switch OFF

0V

When front door LH or RH is 
open or power window timer 
operates

0V

69

P

Power window power 
supply (BAT)

Output

OFF

—

Battery voltage

70

W

Battery power supply

Input

OFF

—

Battery voltage

Terminal

Wire 

color

Item

Signal 

input/

output

Measuring condition

Reference value or waveform

(Approx.)

Ignition 

switch

Operation or condition

WT-30

< ECU DIAGNOSIS >

BCM (BODY CONTROL MODULE)

Wiring Diagram - TIRE PRESSURE MONITORING SYSTEM -

INFOID:0000000005275746

ABEWA0033GB