Nissan Quest E52. Manual - part 201

BCS

BCM

BCS-47

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

5

(G)

Ground

Combination switch 
INPUT 2

Input

Combination 
switch

All switches OFF
(Wiper volume dial 4)

0 V

Front washer switch ON
(Wiper volume dial 4)

1.0 V

Rear washer switch ON
(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

Rear wiper switch ON
(Wiper volume dial 4)

0.8 V

6

(L)

Ground

Combination switch 
INPUT 1

Input

Combination 
switch

All switches OFF
(Wiper volume dial 4)

0 V

Front wiper switch HI
(Wiper volume dial 4)

1.0 V

Rear wiper switch INT
(Wiper volume dial 4)

Wiper volume dial 3
(All switches OFF)

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

1.9 V

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

0.8 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

−

PKIB4958J

PKIB4956J

PKIB4958J

PKIB4952J

PKIB4956J

BCS-48

< ECU DIAGNOSIS INFORMATION >

BCM

7*

1

(W)

Ground

Door key cylinder 
switch UNLOCK

Input

Door key cylin-
der switch

NEUTRAL position

7.0 - 8.0 V

UNLOCK position

0 V

8

(GR)*

2

(Y)*

1

Ground

Power window 
switch communica-
tion (with automatic 
sliding door system)

Input/

Output

Ignition switch ON

9.0 - 10 V

Door key cylinder 
switch LOCK (with-
out automatic sliding 
door system)

Input

Door key cylin-
der switch

NEUTRAL position

7.0 - 8.0 V

LOCK position

0 V

9

(V)

Ground

Stop lamp switch 1

Input

Stop lamp 
switch

OFF (Brake pedal is not 
depressed)

0 V

ON (Brake pedal is de-
pressed)

9 – 16 V

12*

1

(GR)

Ground

Door lock and unlock 
switch LOCK

Input

Door lock and 
unlock switch

NEUTRAL position

1.0 - 1.5 V

LOCK position

0 V

13*

1

(BR)

Ground

Door lock and unlock 
switch UNLOCK

Input

Door lock and 
unlock switch

NEUTRAL position

1.0 - 1.5 V

UNLOCK position

0 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

−

PKIB4960J

PKIA7023E

PKIB4960J

JPMIA0012GB

JPMIA0012GB

BCS

BCM

BCS-49

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

14

(L)

Ground

Optical sensor

Input

Ignition switch 
ON

When bright outside of the 
vehicle

Close to 5 V

When dark outside of the 
vehicle

Close to 0 V

15

(W)

Ground

Rear window defog-
ger switch

Input

Rear window 
defogger switch

Not pressed

1.0 - 1.5 V

Pressed

0 V

16*

3

(Y)

Ground

Dimmer signal

Output

Ignition switch 
ON

Either of the following 
conditions
• Lighting switch OFF
• The area around the ve-

hicle is bright (Shine a 
light on the optical sen-
sor)

0 V

The area around the vehi-
cle is dark (Block the light 
from the optical sensor)

7.5 – 16 V

17

(O)

Ground

Sensor power sup-
ply

Output

Ignition switch

OFF, ACC

0 V

ON

4.65 – 5.5 V

18

(R)

Ground

Receiver and sensor 
ground

Input

Ignition switch ON

0 V

21

(R)

Ground

NATS antenna amp.

Input/

Output

Intelligent Key: 
Intelligent Key 
battery is re-
moved

Brake pedal: Depressed
NOTE:
Waveform varies each 
time when brake pedal is 
depressed

Brake pedal: Not de-
pressed

9 – 16 V

23

(V)

Ground

Security indicator 
lamp control

Output

Security indica-
tor lamp

ON

0 – 0.5 V

Blinking (Ignition switch 
OFF)

12.0 V

OFF

9 – 16 V

24*

4

(B)

Ground

Dongle link

Input/

Output

Ignition switch OFF

5 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

−

JPMIA0012GB

JMKIA6232JP

JPMIA0590GB

BCS-50

< ECU DIAGNOSIS INFORMATION >

BCM

25

(W)

Ground

NATS antenna amp.

Input/

Output

During waiting

Brake pedal: Depressed
NOTE:
Waveform varies each 
time when brake pedal is 
depressed

Brake pedal: Not de-
pressed

9 – 16 V

27

(O)

Ground

A/C ON (Automatic 
air conditioner)

Input

A/C

OFF (A/C switch indicator: 
OFF)

7.0 - 8.0 V

ON (A/C switch indicator: 
ON)

0 V

A/C ON (Manual c 
air conditioner)

Ignition switch 
ON and blower 
fan switch other 
than OFF

A/C switch OFF

12 V

A/C switch ON

0 V

28

(BR)

Ground

Blower fan ON (Au-
tomatic air condition-
er)

Input

Fan switch

OFF

12 V

ON

0 V

Blower fan ON 
(Manual air condi-
tioner)

Fan switch

OFF

7.0 - 8.0 V

Other than OFF

0 V

29

(P)

Ground

Hazard switch

Input

Hazard switch

OFF

9 – 16 V

ON

0 – 1.5 V

30

(L)

Ground

Back door opener 
switch

Input

Back door 
opener switch

Pressed

0 V

Not pressed

1.0 - 1.5 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

−

JMKIA6233JP

PKIB4960J

PKIB4960J

JPMIA0012GB