Nissan Leaf. Manual - part 965

MWI

COMBINATION METER

MWI-63

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

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

MWI-64

< ECU DIAGNOSIS INFORMATION >

COMBINATION METER

Fail-Safe

INFOID:0000000010122407

FAIL-SAFE

• The combination meter activates the fail-safe control if CAN communication with each unit is malfunctioning.

34

(L)

Ground

Plug in indicator lamp sig-
nal

Input

Power 
switch 
ON

Plug in indicator lamp ON

0 V

Plug in indicator lamp OFF

Battery voltage

38

(V)

Ground

LED headlamp (RH) warn-
ing signal

Input

Power 
switch 
ON

Front combination lamp RH 
malfunction

Battery voltage

Front combination lamp RH 
normal

0 V

39

(LG)

Ground

LED headlamp (LH) warn-
ing signal

Input

Power 
switch 
ON

Front combination lamp LH 
malfunction

Battery voltage

Front combination lamp LH 
normal

0 V

40

(W)

Ground

Seat belt buckle switch sig-
nal (driver side)

Input

Power 
switch 
ON

When driver seat belt is fas-
tened

Battery voltage

When driver seat belt is un-
fastened

0 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

–

Signal name

Input/

Output

Function

Specifications

Power meter

The display turns OFF by suspending communication.

Li-ion battery temperature gauge

Li-ion battery capacity level gauge

Li-ion battery available charge gauge

Driving range display

The display turns “– – –” by suspending communication.

Illumination control

When suspending communication, changes to nighttime mode.

Information display

Odo/trip meter

An indicated value is maintained at communications blackout.

Shift indicator

The display turns OFF by suspending communication.

Li-ion low battery charge warning dis-
play

The display turns ON by suspending communication.

Electric shift warning display

Other than the above

The display turns OFF by suspending communication.

Buzzer

The buzzer turns OFF by suspending communication.

MWI

COMBINATION METER

MWI-65

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

• The upper meter performs the fail-safe control when a breakdown of communications between the upper

meter and the combination meter occurs.

DTC Index

INFOID:0000000010122408

Warning lamp/indicator lamp

ABS warning lamp

The lamp turns ON by suspending communication.

VDC warning lamp

Brake warning lamp

Front fog lamp indicator lamp

Brake system warning lamp

EPS warning lamp

Low battery charge warning lamp

Electric shift waning lamp

TPMS waning lamp

High beam indicator lamp

The lamp turns OFF by suspending communication.

VDC OFF indicator lamp

Tail lamp indicator lamp

READY to drive indicator lamp

12-volt battery charge warning lamp

Power limitation indicator lamp

EV system warning lamp

Function

Specifications

Function

Specifications

Speedometer

The display turns OFF by suspending communication.

Eco indicator

Outside air temperature display

The last result calculated during normal condition is indicated.

Illumination control

When suspending communication, changes to nighttime mode.

Turn signal indicator lamp

The lamp turns OFF by suspending communication.

Display contents of CONSULT

Diagnostic item is detected when...

Refer to

CAN COMM CIRCUIT
[U1000]

When combination meter is not transmitting or receiving CAN communication signal 
for 2 seconds or more.

MWI-82

CONTROL UNIT (CAN)
[U1010]

When detecting error during the initial diagnosis of the CAN controller of combina-
tion meter.

MWI-83

VEHICLE SPEED
[B2205]

The abnormal vehicle speed signal is input from the ABS actuator and electric unit 
(control unit) for 2 seconds or more.

MWI-84

MWI-66

< ECU DIAGNOSIS INFORMATION >

UPPER METER

UPPER METER

Reference Value

INFOID:0000000010122409

TERMINAL LAYOUT

PHYSICAL VALUES

JSNIA3743ZZ

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

–

Signal name

Input/

Output

1

(Y)

Ground

Battery power supply

Input

Power 
switch 
OFF

—

Battery voltage

2

(BG)

Ground

Power switch supply

Input

Power 
switch 
ON

—

Battery voltage

3

(G)

Ground

Illumination control signal 
(for upper meter)

Input

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

4

(G)

Ground

Clock signal

Output

Power 
switch 
ON

—

NOTE:
Reference waveform

JSNIA3745GB

JSNIA3746GB

JSNIA3768GB