Nissan Cube. Manual - part 197

DLK-54

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

POWER SUPPLY AND GROUND CIRCUIT

POWER SUPPLY AND GROUND CIRCUIT

BCM (BODY CONTROL MODULE)

BCM (BODY CONTROL MODULE) : Diagnosis Procedure

INFOID:0000000009950478

1.

CHECK FUSE AND FUSIBLE LINK

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

Is the fuse fusing?

YES

>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is

blown.

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connectors.

3.

Check voltage between BCM harness connector and ground.

Is the measurement value normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK GROUND CIRCUIT

Check continuity between BCM harness connector and ground.

Does continuity exist?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

Signal name

Fuse and fusible link No.

Battery power supply

G

8

Terminals

Voltage

(Approx.)

(+)

(

−

)

BCM

Ground

Connector

Terminal

M70

70

Battery voltage

57

BCM

Ground

Continuity

Connector

Terminal

M70

67

Existed

DOOR SWITCH

DLK-55

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

DOOR SWITCH

Description

INFOID:0000000009950479

Detects door open/close condition.

Component Function Check

INFOID:0000000009950480

1.

CHECK FUNCTION

Check (“DOOR SW-DR”, “DOOR SW-AS”, “DOOR SW-RL”, “DOOR SW-RR”, “DOOR SW-BK”) in “Data Mon-
itor” mode with CONSULT.

Is the inspection result normal?

YES

>> Door switch is OK.

NO

>> Refer to 

DLK-55, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009950481

1.

CHECK DOOR SWITCH INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect malfunctioning door switch connector.

3.

Check signal between malfunctioning door switch harness connector and ground using oscilloscope.

Monitor item

Condition

Status

DOOR SW-DR

Driver side door

Open

ON

Closed

OFF

DOOR SW-AS

Passenger side door

Open

ON

Closed

OFF

DOOR SW-RL

Rear door LH

Open

ON

Closed

OFF

DOOR SW-RR

Rear door RH

Open

ON

Closed

OFF

DOOR SW-BK

Back door

Open

ON

Closed

OFF

DLK-56

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

DOOR SWITCH

(+)

(–)

Condition

Signal

(Reference value)

Door switch

Connector

Terminal

Driver side

B34

3

Ground

Driver door 
switch

OFF (When 
driver door 
closed)

7.0 - 8.0 V

ON (When driv-
er door opened)

0 V

Passenger 
side

B27

3

Passenger door 
switch

OFF (When 
passenger door 
closed)

7.0 - 8.0 V

ON (When pas-
senger door 
opened)

0 V

Rear LH

B71

3

Rear LH door 
switch

OFF (When 
rear LH door 
closed)

7.0 - 8.0 V

ON (When rear 
door LH 
opened)

0 V

Rear RH

B53

3

Rear RH door 
switch

OFF (When 
rear RH door 
closed)

7.0 - 8.0 V

ON (When rear 
RH door 
opened)

0 V

PKIB4960J

PKIB4960J

PKIB4960J

PKIB4960J

DOOR SWITCH

DLK-57

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK DOOR SWITCH CIRCUIT 

1.

Disconnect BCM connector.

2.

Check continuity between door switch harness connector and BCM harness connector.

3.

Check continuity between door switch harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-88, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK DOOR SWITCH 

Refer to 

DLK-58, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace malfunctioning door switch. Refer to 

DLK-225, "Removal and Installation"

.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-40, "Intermittent Incident"

.

>> INSPECTION END 

Back door

B75

3

Ground

Back door 
switch

OFF
(When back 
door closed)

9.5 - 10.0 V

ON
(When back 
door opened)

0 V

(+)

(–)

Condition

Signal

(Reference value)

Door switch

Connector

Terminal

PKIB4960J

Door switch

BCM

Continuity 

Connector

Terminal

Connector

Terminal

Driver side

B34

3

M69

47

Existed

Passenger side

B27

45

Rear LH

B71

48

Rear RH

B53

46

Back door

B75

43

Door switch

Ground

Continuity 

Connector

Terminal

Driver side

B34

3

Not existed

Passenger side

B27

Rear LH

B71

Rear RH

B53

Back door

B75