Infiniti QX56 (JA60). Manual — part 106

BCS

BCM (BODY CONTROL MODULE)

BCS-43

< ECU DIAGNOSIS >

[BCM]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

Terminal Layout

INFOID:0000000005146429

Physical Values

INFOID:0000000005146430

LIIA2443E

BCS-44

< ECU DIAGNOSIS >

[BCM]

BCM (BODY CONTROL MODULE)

Terminal

Wire

color

Signal name

Signal

input/

output

Measuring condition

Reference value or waveform

(Approx.)

Ignition

switch

Operation or condition

1

BR/W

Ignition keyhole illumi-
nation

Output

OFF

Door is locked (SW OFF)

Battery voltage

Door is unlocked (SW ON)

0V

2

SB

Combination switch
input 5

Input

ON

Lighting, turn, wiper OFF
Wiper dial position 4

3

G/Y

Combination switch
input 4

Input

ON

Lighting, turn, wiper OFF
Wiper dial position 4

4

Y

Combination switch
input 3

Input

ON

Lighting, turn, wiper OFF
Wiper dial position 4

5

G/B

Combination switch
input 2

Input

ON

Lighting, turn, wiper OFF
Wiper dial position 4

6

V

Combination switch
input 1

9

GR/R

Rear window defogger
switch

Input

ON

Rear window defogger switch
ON

0V

Rear window defogger switch
OFF

5V

10

G

Hazard lamp flash

Input

OFF

ON (opening or closing)

0V

OFF (other than above)

Battery voltage

11

O

Ignition switch (ACC
or ON)

Input

ACC or

ON

Ignition switch ACC or ON

Battery voltage

12

R/L

Front door switch RH

Input

OFF

ON (open)

0V

OFF (closed)

Battery voltage

13

GR

Rear door switch RH

Input

OFF

ON (open)

0V

OFF (closed)

Battery voltage

15

L/W

Tire pressure warning
check connector

Input

OFF

—

5V

18

P

Remote keyless entry
receiver and optical
sensor (ground)

Output

OFF

—

0V

SKIA5291E

SKIA5292E

SKIA5291E

SKIA5292E

BCS

BCM (BODY CONTROL MODULE)

BCS-45

< ECU DIAGNOSIS >

[BCM]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

19

V/W

Remote keyless entry
receiver (power sup-
ply)

Output

OFF

Ignition switch OFF

20

G/W

Remote keyless entry
receiver (signal)

Input

OFF

Stand-by (keyfob buttons re-
leased)

When remote keyless entry
receiver receives signal from
keyfob (keyfob buttons
pressed)

21

G

NATS antenna amp.

Input

OFF

→

ON

Ignition switch (OFF

→ ON)

Just after turning ignition switch

ON: Pointer of tester should

move for approx. 1 second, then

return to battery voltage.

22

W/V

BUS

—

—

Ignition switch ON or power
window timer operates

23

G/O

Security indicator
lamp

Output

OFF

Goes OFF

→ illuminates (Ev-

ery 2.4 seconds)

Battery voltage

→ 0V

25

BR

NATS antenna amp.

Input

OFF

→

ON

Ignition switch (OFF

→ ON)

Just after turning ignition switch

ON: Pointer of tester should

move for approx. 1 second, then

return to battery voltage.

26

Y/L

Rear wiper auto stop
switch 2

Input

ON

Rise up position (rear wiper
arm on stopper)

0V

A Position (full clockwise stop
position)

0V

Forward sweep (counterclock-
wise direction)

Fluctuating

B Position (full counterclock-
wise stop position)

Battery voltage

Reverse sweep (clockwise di-
rection)

Fluctuating

27

W/R

Compressor ON sig-
nal

Input

ON

A/C switch OFF

5V

A/C switch ON

0V

Terminal

Wire

color

Signal name

Signal

input/

output

Measuring condition

Reference value or waveform

(Approx.)

Ignition

switch

Operation or condition

LIIA1893E

LIIA1894E

LIIA1895E

PIIA2344E

BCS-46

< ECU DIAGNOSIS >

[BCM]

BCM (BODY CONTROL MODULE)

28

L/R

Front blower monitor

Input

ON

Front blower motor OFF

Battery voltage

Front blower motor ON

0V

29

W/B

Hazard switch

Input

OFF

ON

0V

OFF

5V

30

Y/BR

Glass hatch switch

Input

OFF

Glass hatch switch released

0V

Glass hatch switch pressed

Battery

32

R/G

Combination switch
output 5

Output

ON

Lighting, turn, wiper OFF
Wiper dial position 4

33

R/Y

Combination switch
output 4

Output

ON

Lighting, turn, wiper OFF
Wiper dial position 4

34

L

Combination switch
output 3

Output

ON

Lighting, turn, wiper OFF
Wiper dial position 4

35

O/B

Combination switch
output 2

Output

ON

Lighting, turn, wiper OFF
Wiper dial position 4

36

R/W

Combination switch
output 1

37

B/R

Key switch and igni-
tion knob switch

Input

OFF

Intelligent Key inserted

Battery voltage

Intelligent Key inserted

0V

38

W/L

Ignition switch (ON)

Input

ON

—

Battery voltage

39

L

CAN-H

—

—

—

—

40

P

CAN-L

—

—

—

—

42

GR

Glass hatch ajar
switch

Input

ON

Glass hatch open

0V

Glass hatch closed

Battery

43

R/B

Back door latch (door
ajar switch)

Input

OFF

ON (open)

0V

OFF (closed)

Battery voltage

Terminal

Wire

color

Signal name

Signal

input/

output

Measuring condition

Reference value or waveform

(Approx.)

Ignition

switch

Operation or condition

SKIA5291E

SKIA5292E

SKIA5291E

SKIA5292E