Infiniti FX35, FX50 (S51). Manual — part 1916

WCS-84

< ECU DIAGNOSIS INFORMATION >

BCM (BODY CONTROL MODULE)

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/

Output

+

–

1

(W)

Ground

Battery power supply

Input

Ignition switch OFF

Battery voltage

2

(Y)

Ground

P/W power supply
(BAT)

Output

Ignition switch OFF

12 V

3

(O)

Ground

P/W power supply
(RAP)

Output

Ignition switch ON

12 V

4

(P)

Ground

Interior room lamp
power supply
(Battery saver signal)

Output

Interior room lamp battery saver is activated.
(Cuts the interior room lamp power supply)

0 V

Interior room lamp battery saver is not activat-
ed.
(Outputs the interior room lamp power supply)

12 V

5

(V)

Ground

Passenger door UN-
LOCK

Output

Passenger door

UNLOCK
(Actuator is activated)

12 V

Other than UNLOCK
(Actuator is not activated)

0 V

7

(Y)

Ground

Step lamp

Output

Step lamp

ON

0 V

OFF

12 V

8

(V)

Ground

All doors, fuel lid
LOCK

Output

All doors, fuel lid

LOCK
(Actuator is activated)

12 V

Other than LOCK
(Actuator is not activated)

0 V

9

(G)

Ground

Driver door, fuel lid
UNLOCK

Output

Driver door, fuel
lid

UNLOCK
(Actuator is activated)

12 V

Other than UNLOCK
(Actuator is not activated)

0 V

10

(BR)

Ground

Rear RH door and
rear LH door UN-
LOCK

Output

Rear RH door
and rear LH door

UNLOCK
(Actuator is activated)

12 V

Other than UNLOCK
(Actuator is not activated)

0 V

11

(R)

Ground

Battery power supply

Input

Ignition switch OFF

Battery voltage

13

(B)

Ground

Ground

—

Ignition switch ON

0 V

15

(Y)

Ground

ACC indicator lamp

Output

Ignition switch

OFF (LOCK indicator is not
illuminated)

Battery voltage

ACC or ON

0 V

17

(W)

Ground

Turn signal RH
(Front)

Output

Ignition switch
ON

Turn signal switch OFF

0 V

Turn signal switch RH

6.5 V

PKID0926E

WCS

BCM (BODY CONTROL MODULE)

WCS-85

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

18

(O)

Ground

Turn signal LH
(Front)

Output

Ignition switch
ON

Turn signal switch OFF

0 V

Turn signal switch LH

6.5 V

19

(SB)

Ground

Room lamp timer

Output

Other than under condition

5.0 V

• Interior room lamp timer is activated.

(Door is unlocked. etc...)

• Welcome light function is activated.

0 V

20

(V)

Ground

Turn signal RH
(Rear)

Output

Ignition switch
ON

Turn signal switch OFF

0 V

Turn signal switch RH

6.5 V

25

(G)

Ground

Turn signal LH (Rear)

Output

Ignition switch
ON

Turn signal switch OFF

0 V

Turn signal switch LH

6.5 V

26

(P)

Ground

Rear wiper

Output

Rear wiper

OFF (Stopped)

0 V

ON (Operated)

12 V

34

(SB)

Ground

Luggage room anten-
na (

−

)

Output

Ignition switch
OFF

When Intelligent Key is in
the passenger compart-
ment

When Intelligent Key is not
in the passenger compart-
ment

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/

Output

+

–

PKID0926E

PKID0926E

PKID0926E

JMKIA0062GB

JMKIA0063GB

WCS-86

< ECU DIAGNOSIS INFORMATION >

BCM (BODY CONTROL MODULE)

35

(V)

Ground

Luggage room anten-
na (+)

Output

Ignition switch
OFF

When Intelligent Key is in
the passenger compart-
ment

When Intelligent Key is not
in the passenger compart-
ment

38

(B)

Ground

Back door antenna (

−

)

Output

When the back
door opener re-
quest switch is
operated with ig-
nition switch OFF

When Intelligent Key is in
the antenna detection area

When Intelligent Key is not
in the antenna detection
area

39

(W)

Ground

Back door antenna
(+)

Output

When the back
door opener re-
quest switch is
operated with ig-
nition switch OFF

When Intelligent Key is in
the antenna detection area

When Intelligent Key is not
in the antenna detection
area

47

(Y)

Ground

Ignition relay (IPDM
E/R) control

Output

Ignition switch

OFF or ACC

12 V

ON

0 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/

Output

+

–

JMKIA0062GB

JMKIA0063GB

JMKIA0062GB

JMKIA0063GB

JMKIA0062GB

JMKIA0063GB

WCS

BCM (BODY CONTROL MODULE)

WCS-87

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

48

(W)

Ground

Back door opener
switch operation

Output

Back door opener
switch

Not pressed

12 V

Pressed

0 V

52

(LG)

Ground

Starter relay control

Output

Ignition switch
ON

When selector lever is in P
or N position

12 V

When selector lever is not
in P or N position

0 V

61

(W)

Ground

Back door opener re-
quest switch

Input

Back door re-
quest switch

ON (Pressed)

0 V

OFF (Not pressed)

1.0 V

64

(L)

Ground

Intelligent Key warn-
ing buzzer (Engine
room)

Output

Intelligent Key
warning buzzer
(Engine room)

Sounding

0 V

Not sounding

12 V

65

(O)

Ground

Rear wiper stop posi-
tion

Input

Rear wiper

In stop position

1.0 V

Not in stop position

0 V

66

(LG)

Ground

Back door switch

Input

Back door switch

OFF (Door close)

12 V

ON (Door open)

0 V

67

(P)

Ground

Back door opener
switch

Input

Back door opener
switch

Pressed

0 V

Not pressed

8.5 - 9.0 V

68

(BR)

Ground

Rear RH door switch

Input

Rear RH door
switch

OFF (Door close)

8.5 - 9.0 V

ON (Door open)

0 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/

Output

+

–

JPMIA0016GB

JPMIA0016GB

JPMIA0594GB

JPMIA0594GB