Infiniti QX56 (JA60). Manual - part 201

 

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Infiniti QX56 (JA60). Manual - part 201

 

 

BCM (BODY CONTROL MODULE)

DEF-21

< ECU DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

DEF

N

O

P

Terminal Layout

INFOID:0000000005327537

Physical Values

INFOID:0000000005327538

LIIA2443E

DEF-22

< ECU DIAGNOSIS >

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

BCM (BODY CONTROL MODULE)

DEF-23

< ECU DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

DEF

N

O

P

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

DEF-24

< ECU DIAGNOSIS >

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

 

 

 

 

 

 

 

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