Nissan Murano Z51. Instruction — part 1496

WCS

SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT

WCS-25

< DTC/CIRCUIT DIAGNOSIS >

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SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT

Description

INFOID:0000000005524993

Transmits a seat belt buckle switch signal (driver side) to the combination meter.

Component Function Check

INFOID:0000000005524994

1.

CHECK COMBINATION METER INPUT SIGNAL

Select the “Data Monitor” for the “METER/M&A” and check the “BUCKLE SW” monitor value.

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000005524995

1.

CHECK COMBINATION METER INPUT SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between combination meter harness connector terminal and ground.

Is the inspection result normal?

YES

>> Replace combination meter

NO

>> GO TO 2.

2.

CHECK SEAT BELT BUCKLE SWITCH CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect combination meter connector and seat belt buckle switch (driver side) connector.

3.

Check continuity between combination meter harness connector terminal and seat belt buckle switch
(driver side) harness connector terminal.

• *1 : Without automatic drive positioner

• *2 : With automatic drive positioner

4.

Check harness continuity between combination meter harness connector terminal and ground.

BUCKLE SW

When seat belt is fastened

: Off

When seat belt is unfastened

: On

Terminals

Condition

Voltage

(Approx.)

(+)

(-)

Combination meter

Ground

Connector

Terminal

M34

35

When seat belt is fastened

12 V

When seat belt is unfastened

0 V

Terminals

Continuity

(+)

(-)

Combination meter

Seat belt buckle switch(driver side)

Connector

Terminal

Connector

Terminal

M34

35

B409

*1

15

*1

Exist

B449

*2

40

*2

WCS-26

< DTC/CIRCUIT DIAGNOSIS >

SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK SEAT BELT BUCKLE SWITCH GROUND CIRCUIT

Check harness continuity between seat belt buckle switch (driver side) harness connector terminal and
ground.

• *1 : Without automatic drive positioner

• *2 : With automatic drive positioner

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

Component Inspection

INFOID:0000000005524996

1.

CHECK SEAT BELT BUCKLE SWITCH (DRIVER SIDE)

1.

Turn ignition switch OFF.

2.

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

3.

Check continuity between terminals.

*1: Without automatic drive positioner
*2: With automatic drive positioner

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace the seat belt buckle. Refer to

SB-9, "SEAT BELT BUCKLE : Removal and Installation"

.

Terminals

Continuity

(+)

(-)

Combination meter

Ground

Connector

Terminal

M34

35

Not existed

Terminals

Continuity

(+)

(-)

Combination meter

Ground

Connector

Terminal

B409

*1

16

*1

Exist

B449

*2

41

*2

Terminals

Condition

Continuity

(+)

(-)

Seat belt buckle switch (driver side)

Connector

Terminal

Connector

Terminal

B409

*1

15

*1

B409

*1

16

*1

When seat belt is fastened

Not existed

B449

*2

40

*2

B449

*2

41

*2

B409

*1

15*1

B409

*1

16*1

When seat belt is unfastened

Exist

B449

*2

40

*2

B449

*2

41

*2

WCS

WARNING CHIME SYSTEM

WCS-27

< DTC/CIRCUIT DIAGNOSIS >

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WARNING CHIME SYSTEM

Wiring Diagram - WARNING CHIME -

INFOID:0000000005524997

JCNWM1828GB

WCS-28

< DTC/CIRCUIT DIAGNOSIS >

WARNING CHIME SYSTEM

JCNWM3151GB