Nissan Tiida C11. Manual - part 1435

WCS-22

< COMPONENT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

Check that the following fuses and fusible link are not fusing.

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.

3.

Check voltage between BCM harness connector and ground.

Is the measurement value normal?

YES

>> GO TO 3

NO

>> Repair or replace harness.

3.

 CHECK GROUND CIRCUIT

Check continuity between BCM harness connector and ground.

Does continuity exist?

YES

>> INSPECTION END

NO

>> Repair or replace harness.

Terminal No.

Signal name

Fuses and fusible link No.

22

Battery power supply

9 (10A)

72

8 (10A)

74

G (40A)

79

24

Ignition power supply

55 (10A)

Terminals

Ignition switch position

(+)

(

−

)

BCM

OFF

ACC

ON

Connector

Terminal

M18

22

Ground

Battery 
voltage

Battery 
voltage

Battery 
voltage

24

Approx. 

0 V

Approx. 

0 V

Battery 
voltage

M20

72

Battery 
voltage

Battery 
voltage

Battery 
voltage

74

79

ALMIA0188ZZ

BCM

Ground

Continuity

Connector

Terminal

M18

2

Yes

M20

70

ALMIA0189ZZ

WCS

METER BUZZER CIRCUIT

WCS-23

< COMPONENT DIAGNOSIS >

C

D

E

F

G

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B

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METER BUZZER CIRCUIT

Description

INFOID:0000000001722929

• The buzzer for warning chime system is installed in the combination meter.
• The combination meter sounds the alarm buzzer based on the signals transmitted from various units.

Component Function Check

INFOID:0000000001722930

1.

CHECK OPERATION OF METER BUZZER

1.

Select “BUZZER” of “BCM” on CONSULT-III.

2.

Perform “LIGHT WARN ALM” of “ACTIVE TEST”.

Does meter buzzer activate?

YES

>> Inspection End.

NO

>> Replace combination meter. Refer to 

MWI-94, "Removal and Installation"

.

Diagnosis Procedure

INFOID:0000000001722931

1.

CHECK POWER SUPPLY OF COMBINATION METER

Check power supply of combination meter. Refer to 

WCS-21, "COMBINATION METER : Diagnosis Proce-

dure"

.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair power supply circuit of combination meter.

WCS-24

< COMPONENT DIAGNOSIS >

SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT

SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT

Description

INFOID:0000000001722932

Transmits a seat belt buckle switch signal to the combination meter.

Component Function Check

INFOID:0000000001722933

1.

CHECK COMBINATION METER INPUT SIGNAL

Select “DATA MONITOR” for “METER/M&A” and check the “SEAT BELT W/L” monitor value.

>> Inspection End.

Diagnosis Procedure

INFOID:0000000001722934

1.

CHECK COMBINATION METER INPUT SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between combination meter harness connector
M24 terminal 3 and ground.

Is the inspection result normal?

YES

>> Replace combination meter. Refer to 

MWI-94, "Removal

and Installation"

.

NO

>> GO TO 2

2.

CHECK SEAT BELT BUCKLE SWITCH CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect combination meter connector and seat belt warning
lamp control unit connector.

3.

Check continuity between combination meter harness connector
M24 (A) terminal 3 and seat belt warning lamp control unit har-
ness connector B51 (B) terminal 36.

4.

Check continuity between combination meter harness connector
M24 (A) terminal 3 and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair harness or connector.

3.

CHECK SEAT BELT BUCKLE SWITCH CIRCUIT

SEAT BELT W/L

When seat belt is fastened

: OFF

When seat belt is unfastened

: ON

3 - Ground

When driver seat belt is fastened

: Approx. 12V

When driver seat belt is unfastened

: Approx. 0V

AWNIA0264ZZ

3 - 36

: Continuity should exist.

3 - Ground

: Continuity should not exist.

AWNIA0265ZZ

WCS

SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT

WCS-25

< COMPONENT DIAGNOSIS >

C

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B

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1.

Disconnect seat belt buckle switch (driver side) connector.

2.

Check continuity between seat belt warning lamp control unit
harness connector B51 (A) terminal 21 and seat belt buckle
switch (driver side) harness connector B9 (B) terminal 1.

3.

Check continuity between seat belt warning lamp control unit
harness connector B51 (B) terminal 21 and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair harness or connector.

4.

CHECK SEAT BELT BUCKLE SWITCH GROUND CIRCUIT

Check continuity between seat belt buckle switch (driver side) har-
ness connector B9 terminal 2 and ground.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> Repair harness or connector.

5.

CHECK SEAT BELT BUCKLE SWITCH

Perform a unit inspection for the seat belt buckle switch (driver side). Refer to 

WCS-25, "Component Inspec-

tion"

.

Is the inspection result normal?

YES

>> Replace the seat belt warning lamp control unit.

NO

>> Replace the seat belt buckle switch (driver side).

Component Inspection

INFOID:0000000001722935

1.

CHECK SEAT BELT BUCKLE SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect the seat belt buckle switch (driver side) connector.

3.

Check continuity between terminals 1 and 2.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace the seat belt buckle switch (driver side).

21 - 1

: Continuity should exist.

21 - Ground

: Continuity should not exist.

AWNIA0266ZZ

2 - Ground

: Continuity should exist.

AWNIA0267ZZ

1 – 2

When seat belt is 
fastened

: Continuity should not exist.

When seat belt is 
unfastened

: Continuity should exist.

AWNIA0268ZZ