Nissan Leaf. Instruction — part 1276

WCS

COMBINATION METER

WCS-31

< ECU DIAGNOSIS INFORMATION >

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Fail-Safe

INFOID:0000000010505314

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.

WCS-32

< ECU DIAGNOSIS INFORMATION >

COMBINATION METER

• 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:0000000010505315

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

WCS

BCM

WCS-33

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

BCM

List of ECU Reference

INFOID:0000000010121634

ECU

Reference

BCM

BCS-28, "Reference Value"

BCS-46, "Fail-safe"

BCS-47, "DTC Inspection Priority Chart"

BCS-48, "DTC Index"

WCS-34

< WIRING DIAGRAM >

WARNING CHIME SYSTEM

WIRING DIAGRAM

WARNING CHIME SYSTEM

Wiring Diagram

INFOID:0000000010121635

AANWA1046GB