Infiniti QX56 (Z62). Manual - part 107

BCS-42

< ECU DIAGNOSIS INFORMATION >

BCM

20

(G/R)

Ground

Remote keyless en-
try receiver commu-
nication

Input

Waiting

Signal receiving

21

(P)

Ground

NATS antenna amp.

Input/

Output

During waiting

Ignition switch is pressed 
while inserting the key into 
the key slot.

Just after pressing ignition 

switch. Pointer of tester should 

move.

22

(W/B)

Ground

Remote keyless en-
try receiver RSSI

Input

Waiting

0 V

Signal receiving

23

(GR/R)

Ground

Security indicator 
lamp

Output

Security indica-
tor lamp

ON

0 V

Blinking (Ignition switch 
OFF)

11.0 - 12.0 V

OFF

Battery voltage

24*

(SB)

Ground

Dongle link

Input/

Output

Ignition switch OFF

5 V

25

(LG/R)

Ground

NATS antenna amp.

Input/

Output

During waiting

Ignition switch is pressed 
while inserting the key into 
the key slot.

Just after pressing ignition 

switch. Pointer of tester should 

move.

29

(W)

Ground

Hazard switch

Input

Hazard switch

OFF

12 V

ON

0 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

−

JMKIA3838GB

JMKIA3841GB

JMKIA3838GB

JPMIA0590GB

BCS

BCM

BCS-43

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

30

(W/L)

Ground

Back door opener 
switch

Input

Back door 
opener switch

Pressed

0 V

Not pressed

1.0 - 1.5 V

31

(W/G)

Ground

Front door lock as-
sembly driver side 
(Unlock sensor)

Input

Driver door

LOCK status (Unlock sen-
sor switch OFF)

7.0 - 8.0 V

UNLOCK status (Unlock 
sensor switch ON)

0 V

32

(LG)

Ground

Combination switch 
OUTPUT 5

Output

Combination 
switch

All switches OFF
(Wiper volume dial 4)

7.0 - 8.0 V

Front fog lamp switch ON
(Wiper volume dial 4)

1.0 V

Rear wiper switch ON
(Wiper volume dial 4)

Any of the condition below 
with all switches OFF
• Wiper volume dial 1
• Wiper volume dial 2
• Wiper volume dial 6
• Wiper volume dial 7

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

−

JPMIA0012GB

PKIB4960J

PKIB4960J

PKIB4956J

BCS-44

< ECU DIAGNOSIS INFORMATION >

BCM

33

(Y)

Ground

Combination switch 
OUTPUT 4

Output

Combination 
switch

All switches OFF
(Wiper volume dial 4)

7.0 - 8.0 V

Lighting switch 1ST
(Wiper volume dial 4)

1.2 V

Lighting switch AUTO
(Wiper volume dial 4)

Rear wiper switch INT
(Wiper volume dial 4)

Any of the condition below 
with all switches OFF
• Wiper volume dial 1
• Wiper volume dial 5
• Wiper volume dial 6

34

(W)

Ground

Combination switch 
OUTPUT 3

Output

Combination 
switch

All switches OFF
(Wiper volume dial 4)

7.0 - 8.0 V

Lighting switch 2ND
(Wiper volume dial 4)

1.2 V

Lighting switch HI
(Wiper volume dial 4)

Rear washer switch ON
(Wiper volume dial 4)

Any of the condition below 
with all switches OFF
• Wiper volume dial 1
• Wiper volume dial 2
• Wiper volume dial 3

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

−

PKIB4960J

PKIB4958J

PKIB4960J

PKIB4958J

BCS

BCM

BCS-45

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

35

(R/W)

Ground

Combination switch 
OUTPUT 2

Output

Combination 
switch
(Wiper volume 
dial 4)

All switches OFF

7.0 - 8.0 V

Lighting switch 2ND

1.2 V

Lighting switch PASS

Front wiper switch AUTO

Front wiper switch HI

36

(SB)

Ground

Combination switch 
OUTPUT 1

Output

Combination 
switch
(Wiper volume 
dial 4)

All switches OFF

7.0 - 8.0 V

Turn signal switch RH

1.2 V

Turn signal switch LH

Front wiper switch LO

Front wiper switch MIST

Front washer switch ON

37

(G/Y)

Ground

P position

Input

Selector lever

P position

0 V

Any position other than P

12 V

39

(L)

Ground

CAN-H

Input/

Output

—

—

40

(P)

Ground

CAN-L

Input/

Output

—

—

43

(Y/L)

Ground

Back door switch

Input

Back door 
switch

OFF
(When back door closed)

9.0 - 10.0 V

ON
(When back door opened)

0 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

−

PKIB4960J

PKIB4958J

PKIB4960J

PKIB4958J

JPMIA0593GB