Nissan Cube. Manual - part 1004

WCS

DIAGNOSIS SYSTEM (BCM) (WITH INTELLIGENT KEY SYSTEM)

WCS-19

< SYSTEM DESCRIPTION >

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DATA MONITOR

NOTE:
The following table includes information (items) inapplicable to this vehicle. For information (items) applicable
to this vehicle, refer to CONSULT display items.

ACTIVE TEST

Test item

Diagnosis mode

Description

BUZZER

Data Monitor

Displays BCM input data in real time.

Active Test

Operation of electrical loads can be checked by sending driving signal to them.

Display item

[Unit]

Description

PUSH SW
[On/Off]

Status of push-button ignition switch judged by BCM.

UNLK SEN-DR
[On/Off]

Status of unlock sensor judged by BCM.

VEH SPEED 1
[km/h]

Value of vehicle speed signal received from combination meter with CAN communication line.

TAIL LAMP SW
[On/Off]

Status of lighting switch judged by BCM using the combination switch readout function.

FR FOG SW
[On/Off]

Status of front fog lamp switch judged by BCM using the combination switch readout function.

DOOR SW-DR
[On/Off]

Status of driver side door switch judged by BCM.

CDL LOCK SW
[On/Off]

Status of door lock unlock switch judged by BCM.

Display item

[Unit]

Description

SEAT BELT WARN TEST

The seat belt warning chime operation can be checked by operating the relevant function (On/Off).

ID REGIST WARNING

The ID regist warning chime operation can be checked by operating the relevant function (On/Off).

LIGHT WARN ALM

The light warning chime operation can be checked by operating the relevant function (On/Off).

WCS-20

< SYSTEM DESCRIPTION >

DIAGNOSIS SYSTEM (BCM) (WITHOUT INTELLIGENT KEY SYSTEM)

DIAGNOSIS SYSTEM (BCM) (WITHOUT INTELLIGENT KEY SYSTEM)

COMMON ITEM

COMMON ITEM : CONSULT Function (BCM - COMMON ITEM)

INFOID:0000000010244841

APPLICATION ITEM

CONSULT performs the following functions via CAN communication with BCM.

SYSTEM APPLICATION

BCM can perform the following functions for each system.
NOTE:
It can perform the diagnosis modes except the following for all sub system selection items.

×

: Applicable item

BUZZER

BUZZER : CONSULT Function (BCM - BUZZER)

INFOID:0000000009945517

CONSULT APPLICATION ITEMS

Diagnosis mode

Function Description

Work Support

Changes the setting for each system function.

Self Diagnostic Result

Displays the diagnosis results judged by BCM.

CAN Diag Support Monitor

Monitors the reception status of CAN communication viewed from BCM.

Data Monitor

The BCM input/output signals are displayed.

Active Test

The signals used to activate each device are forcibly supplied from BCM.

Ecu Identification

The BCM part number is displayed.

Configuration

• Read and save the vehicle specification.
• Write the vehicle specification when replacing BCM.

System

Sub system selection item

Diagnosis mode

Work Support

Data Monitor

Active Test

Door lock

DOOR LOCK

×

×

×

Rear window defogger

REAR DEFOGGER

×

×

Warning chime

BUZZER

×

×

Interior room lamp control

INT LAMP

×

×

×

Remote keyless entry system

MULTI REMOTE ENT

×

×

×

Exterior lamp

HEAD LAMP

×

×

×

Wiper and washer

WIPER

×

×

×

Turn signal and hazard warning lamps

FLASHER

×

×

Manual air conditioner

AIR CONDITONER

×

×

Combination switch

COMB SW

×

Body control system

BCM

×

NVIS - NATS

IMMU

×

×

×

Interior room lamp battery saver

BATTERY SAVER

×

×

×

Back door

TRUNK

×

Vehicle security system

THEFT ALM

×

×

×

RAP system

RETAINED PWR

×

×

Signal buffer system

SIGNAL BUFFER

×

×

TPMS

TPMS (AIR PRESSURE MONITOR)

×

×

×

Panic alarm system

PANIC ALARM

×

WCS

DIAGNOSIS SYSTEM (BCM) (WITHOUT INTELLIGENT KEY SYSTEM)

WCS-21

< SYSTEM DESCRIPTION >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

DATA MONITOR

NOTE:
The following table includes information (items) inapplicable to this vehicle. For information (items) applicable
to this vehicle, refer to CONSULT display items.

ACTIVE TEST

Test item

Diagnosis mode

Description

BUZZER

Data Monitor

Displays BCM input data in real time.

Active Test

Operation of electrical loads can be checked by sending driving signal to them.

Display item

[Unit]

Description

IGN ON SW
[On/Off]

Status of ignition switch judged by BCM.

KEY ON SW
[On/Off]

Status of key switch judged by BCM.

DOOR SW-DR
[km/h]

Status of driver side door switch judged by BCM.

REVERSE SW CAN
[On/Off]

This item is displayed, but cannot be monitored.

TAIL LAMP SW
[On/Off]

Status of lighting switch judged by BCM using the combination switch readout function.

FR FOG SW
[On/Off]

Status of front fog lamp switch judged by BCM using the combination switch readout function.

BUCKLE SW
[On/Off]

Status of seatbelt buckle switch (driver side) received from combination meter with CAN communica-
tion line.

VEHICLE SPEED
[km/h]

Value of vehicle speed signal received from combination meter with CAN communication line.

Display item

[Unit]

Description

IGN KEY WARN ALM

The key warning chime operation can be checked by operating the relevant function (On/Off).

SEAT BELT WARN TEST

The seat belt warning chime operation can be checked by operating the relevant function (On/Off).

LIGHT WARN ALM

The light warning chime operation can be checked by operating the relevant function (On/Off).

WCS-22

< DTC/CIRCUIT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

DTC/CIRCUIT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

COMBINATION METER

COMBINATION METER : Diagnosis Procedure

INFOID:0000000009945518

1.

CHECK FUSE

Check for blown fuses.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Be sure to eliminate cause of malfunction before installing new fuse.

2.

CHECK POWER SUPPLY CIRCUIT

Check voltage between combination meter harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Check harness between combination meter and fuse.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect combination meter connector.

3.

Check continuity between combination meter harness connector and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

BCM (BODY CONTROL SYSTEM) (WITH INTELLIGENT KEY SYSTEM)

BCM (BODY CONTROL SYSTEM) (WITH INTELLIGENT KEY SYSTEM) : Diagnosis 
Procedure

INFOID:0000000010244842

1.

CHECK FUSE AND FUSIBLE LINK

Check that the following fuse and fusible link are not blown.

Power source

Fuse No.

Battery

10

Ignition switch ACC or ON

20

Ignition switch ON or START 

3

Terminals

Ignition switch po-

sition

Voltage

(Approx.)

(+)

(

−

)

Combination meter

Ground

Connector

Terminal

M34

27

OFF

Battery voltage

15

ACC

28

ON

Combination meter

Ground

Continuity

Connector

Terminal

M34

22

Existed

23