Nissan Leaf. Manual - part 1275

WCS

COMBINATION METER

WCS-27

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

TERMINAL LAYOUT

PHYSICAL VALUES

• ECO tree (2) illuminates
• 5 segments of ECO tree (1) illuminate

SEG15+SEG21

ECO tree (3) illuminates

SEG22

• ECO tree (3) illuminates
• 1 segment of ECO tree (1) illuminate

SEG11+SEG22

• ECO tree (3) illuminates
• 2 segments of ECO tree (1) illuminate

SEG12+SEG22

• ECO tree (3) illuminates
• 3 segments of ECO tree (1) illuminate

SEG13+SEG22

• ECO tree (3) illuminates
• 4 segments of ECO tree (1) illuminate

SEG14+SEG22

• ECO tree (3) illuminates
• 5 segments of ECO tree (1) illuminate

SEG15+SEG22

ECO tree (4) illuminates

SEG23

• ECO tree (4) illuminates
• 1 segment of ECO tree (1) illuminate

SEG11+SEG23

• ECO tree (4) illuminates
• 2 segments of ECO tree (1) illuminate

SEG12+SEG23

• ECO tree (4) illuminates
• 3 segments of ECO tree (1) illuminate

SEG13+SEG23

• ECO tree (4) illuminates
• 4 segments of ECO tree (1) illuminate

SEG14+SEG23

• ECO tree (4) illuminates
• 5 segments of ECO tree (1) illuminate

SEG15+SEG23

ECO tree (5) illuminates

SEG24

• ECO tree (5) illuminates
• 1 segment of ECO tree (1) illuminate

SEG11+SEG24

• ECO tree (5) illuminates
• 2 segments of ECO tree (1) illuminate

SEG12+SEG24

• ECO tree (5) illuminates
• 3 segments of ECO tree (1) illuminate

SEG13+SEG24

• ECO tree (5) illuminates
• 4 segments of ECO tree (1) illuminate

SEG14+SEG24

• ECO tree (5) illuminates
• 5 segments of ECO tree (1) illuminate

SEG15+SEG24

Other than the above

Off

Displays number of ON segments of ECO tree

Status

JSNIA3729ZZ

WCS-28

< ECU DIAGNOSIS INFORMATION >

COMBINATION METER

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

–

Signal name

Input/

Output

1

(LG)

Ground

Battery power supply

Input

Power 
switch 
OFF

—

Battery voltage

2

(Y)

Ground

Battery power supply (for 
upper meter)

Output

Power 
switch 
OFF

—

Battery voltage

3

(GR)

Ground

Power switch ON signal

Input

Power 
switch 
ON

—

Battery voltage

4

(BG)

Ground

Power switch ON signal (for 
upper meter

Output

Power 
switch 
ON

—

Battery voltage

5

(B)

Ground

Ground

—

Power 
switch 
ON

—

0  V

6

(B)

Ground

Ground

—

Power 
switch 
ON

—

0  V

8

(Y)

Ground

Washer fluid level switch 
signal

Input

Power 
switch 
ON

Washer fluid level switch 
ON

0 V

Washer fluid level switch 
OFF

5 V

9

(BR)

Ground Plug in signal

Input

Power 
switch 
ON

Charge connector connect-
ed

0 V

Charge connector not con-
nected

Battery voltage

12

(V)

Ground

Sw ground

—

—

—

—

13

(G)

Ground

Select switch signal

Input

Power 
switch 
ON

When  

switch 

(select 

switch) is pressed

0 V

Other than the above

5 V

14

(Y)

Ground Enter switch signal

Input

Power 
switch 
ON

When 

 switch (enter 

switch) is pressed

0 V

Other than the above

5 V

15

(BR)

Ground Trip reset switch signal

Input

Power 
switch 
ON

When trip reset switch is 
pressed

0 V

Other than the above

5 V

16

(P)

Ground

Illumination control switch 
signal

Input

Power 
switch 
ON

When  

switch 

(illumina-

tion control switch) is 
pressed

0 V

Other than the above

5 V

WCS

COMBINATION METER

WCS-29

< ECU DIAGNOSIS INFORMATION >

C

D

E

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G

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B

A

O

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17

(G)

Ground

Illumination control signal 
(for upper meter)

Output

Power 
switch 
ON

• Lighting switch 1ST posi-

tion

• When meter illumination 

is maximum

• Lighting switch 1ST posi-

tion

• When meter illumination 

is step 6

• Lighting switch 1ST posi-

tion

• When meter illumination 

is minimum

0 V

18

(P)

—

CAN-L

—

—

—

—

19

(L)

—

CAN-H

—

—

—

—

20

(LG)

Ground

Seat belt buckle switch sig-
nal (passenger side)

Input

Power 
switch 
ON

• When getting in the pas-

senger seat

• When passenger seat 

belt is fastened

Battery voltage

• When getting in the pas-

senger seat

• When passenger seat 

belt is unfastened

0 V

22

(GR)

Ground

Ground (for upper meter)

—

Power 
switch 
ON

—

0  V

24

(BG)

Ground

Parking brake switch signal

Input

Power 
switch 
ON

Parking brake applied

0 V

Parking brake released

Battery voltage

25

(SB)

Ground

Brake fluid level switch sig-
nal

Input

Power 
switch 
ON

Brake fluid level is normal

Battery voltage

The brake fluid level is low-
er than the low level

0 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

–

Signal name

Input/

Output

JSNIA3745GB

JSNIA3746GB

WCS-30

< ECU DIAGNOSIS INFORMATION >

COMBINATION METER

26

(B)

Ground Illumination control signal

Output

Power 
switch 
ON

• Lighting switch 1ST posi-

tion

• When meter illumination 

is maximum

Battery voltage

• Lighting switch 1ST posi-

tion

• When meter illumination 

is step 6

• Lighting switch 1ST posi-

tion

• When meter illumination 

is minimum

0 V

27

(R)

Ground

Air bag signal

Input

Power 
switch 
ON

Air bag warning lamp ON

Battery voltage

Air bag warning lamp OFF

0 V

28

(R)

Ground

Security signal

Input

Power 
switch 
ON

Security indicator lamp ON

0 V

Security indicator lamp 
OFF

Battery voltage

30

(GR)

Ground

Vehicle speed signal
(8-pulse)

Output

Power 
switch 
ON

Speedometer operated 
[When vehicle speed is ap-
prox. 40 km/h (25 MPH)]

NOTE:
The maximum voltage varies de-
pending on the specification 
(destination unit).

32

(W)

Ground

Communication signal
(METER 

→ UPPER)

Output

Power 
switch 
ON

—

NOTE:
Reference waveform

33

(G)

Ground

Clock signal

Output

Power 
switch 
ON

—

NOTE:
Reference waveform

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

–

Signal name

Input/

Output

JPNIA1686GB

JPNIA1687GB

JSNIA0012GB

JSNIA3767GB

JSNIA3768GB