Nissan Qashqai J11. Manual - part 2049

WCS-44

< DTC/CIRCUIT DIAGNOSIS >

SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT

SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT

Description

INFOID:0000000010438783

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

Component Function Check

INFOID:0000000010438784

1.

 CHECK COMBINATION METER INPUT SIGNAL

1.

Ignition ON.

2.

Monitor seat belt warning lamp while fastening and unfastening the driver seat belt buckle.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Refer to 

WCS-44, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010438785

Regarding Wiring Diagram information, refer to 

WCS-31, "Wiring Diagram"

.

1.

 CHECK COMBINATION METER INPUT SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between combination meter harness connector M51 terminal 28 and ground.

Is the inspection result normal?

YES

>> Replace combination meter. Refer to 

MWI-80, "Removal and Installation"

.

NO

>> GO TO 2.

2.

 CHECK SEAT BELT BUCKLE SWITCH DRIVER SIDE CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect combination meter harness connector M51 and seat belt buckle switch driver side harness
connector B11 or B69.

3.

Check continuity between combination meter harness connector M51 terminal 28 and seat belt buckle
switch LH harness connector B11 or B69 terminal 1.

4.

Check continuity between combination meter harness connector M51 terminal 28 and ground.

Condition

Warning lamp status

When driver seat belt buckle is unfastened

ON

When driver seat belt buckle is fastened

OFF

Combination meter

Condition

Voltage

(Approx.)

Connector

Terminals

(+)

(-)

M51

28

Ground

When seat belt driver side is fastened

Battery voltage

When seat belt driver side is unfastened

0 V

Combination meter

Seat belt buckle switch driver side

Continuity

Connector

Terminal

Connector

Terminal

M51

28

B11

 (LHD)

B69

 (RHD)

1

Yes

WCS

SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT

WCS-45

< DTC/CIRCUIT DIAGNOSIS >

C

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G

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SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT

Description

INFOID:0000000010438783

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

Component Function Check

INFOID:0000000010438784

1.

 CHECK COMBINATION METER INPUT SIGNAL

1.

Ignition ON.

2.

Monitor seat belt warning lamp while fastening and unfastening the driver seat belt buckle.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Refer to 

WCS-45, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010438785

Regarding Wiring Diagram information, refer to 

WCS-31, "Wiring Diagram"

.

1.

 CHECK COMBINATION METER INPUT SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between combination meter harness connector M51 terminal 28 and ground.

Is the inspection result normal?

YES

>> Replace combination meter. Refer to 

MWI-86, "Removal and Installation"

.

NO

>> GO TO 2.

2.

 CHECK SEAT BELT BUCKLE SWITCH DRIVER SIDE CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect combination meter harness connector M51 and seat belt buckle switch driver side harness
connector B11 or B69.

3.

Check continuity between combination meter harness connector M51 terminal 28 and seat belt buckle
switch LH harness connector B11 or B69 terminal 1.

4.

Check continuity between combination meter harness connector M51 terminal 28 and ground.

Condition

Warning lamp status

When driver seat belt buckle is unfastened

ON

When driver seat belt buckle is fastened

OFF

Combination meter

Condition

Voltage

(Approx.)

Connector

Terminals

(+)

(-)

M51

28

Ground

When seat belt driver side is fastened

Battery voltage

When seat belt driver side is unfastened

0 V

Combination meter

Seat belt buckle switch driver side

Continuity

Connector

Terminal

Connector

Terminal

M51

28

B11

 (LHD)

B69

 (RHD)

1

Yes

WCS-46

< DTC/CIRCUIT DIAGNOSIS >

PARKING BRAKE SWITCH SIGNAL CIRCUIT

PARKING BRAKE SWITCH SIGNAL CIRCUIT

Component Function Check

INFOID:0000000010438787

1.

CHECK PARKING BRAKE SWITCH OPERATION

Check that brake warning lamp in combination meter turns ON/OFF when parking brake is actuated.
Is the inspection result normal?

YES

>> Inspection End.

NO

>> Proceed to diagnosis procedure. Refer to 

WCS-46, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010438788

Regarding Wiring Diagram information, refer to 

WCS-31, "Wiring Diagram"

.

1.

CONNECTOR INSPECTION

1.

Turn ignition switch OFF.

2.

Disconnect combination meter and parking brake switch connectors.

3.

Check connectors and terminals for deformation, disconnection, looseness or damage.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace as necessary.

2.

CHECK PARKING BRAKE SWITCH

Check parking brake switch. Refer to 

WCS-47, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace parking brake switch. Refer to 

PB-146, "Removal and Installation"

.

3.

CHECK PARKING BRAKE SWITCH SIGNAL

With CONSULT.

1.

Connect combination meter connector and parking brake switch connectors.

2.

Turn ignition switch ON.

3.

In DATA MONITOR select "PKB SW" and check parking brake switch signal.

Is the inspection result normal?

YES

>> Refer to 

WCS-38, "Work Flow"

.

NO

>> GO TO 4.

4.

CHECK PARKING BRAKE SWITCH CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect combination meter and parking brake switch connectors.

3.

Check continuity between combination meter connector M76 terminal 26 and parking brake switch con-
nector E52 terminal 1.

4.

Check continuity between combination meter connector and ground.

Condition

DATA MONITOR

Actuate parking brake

On

Release parking brake

Off

Combination meter

Parking brake switch

Continuity

Connector

Terminal

Connector

Terminal

M76 26

E52

1

Yes

WCS

PARKING BRAKE SWITCH SIGNAL CIRCUIT

WCS-47

< DTC/CIRCUIT DIAGNOSIS >

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PARKING BRAKE SWITCH SIGNAL CIRCUIT

Component Function Check

INFOID:0000000010438787

1.

CHECK PARKING BRAKE SWITCH OPERATION

Check that brake warning lamp in combination meter turns ON/OFF when parking brake is actuated.
Is the inspection result normal?

YES

>> Inspection End.

NO

>> Proceed to diagnosis procedure. Refer to 

WCS-47, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010438788

Regarding Wiring Diagram information, refer to 

WCS-31, "Wiring Diagram"

.

1.

CONNECTOR INSPECTION

1.

Turn ignition switch OFF.

2.

Disconnect combination meter and parking brake switch connectors.

3.

Check connectors and terminals for deformation, disconnection, looseness or damage.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace as necessary.

2.

CHECK PARKING BRAKE SWITCH

Check parking brake switch. Refer to 

WCS-48, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace parking brake switch. Refer to 

PB-145, "Removal and Installation"

.

3.

CHECK PARKING BRAKE SWITCH SIGNAL

With CONSULT.

1.

Connect combination meter connector and parking brake switch connectors.

2.

Turn ignition switch ON.

3.

In DATA MONITOR select "PKB SW" and check parking brake switch signal.

Is the inspection result normal?

YES

>> Refer to 

WCS-39, "Work Flow"

.

NO

>> GO TO 4.

4.

CHECK PARKING BRAKE SWITCH CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect combination meter and parking brake switch connectors.

3.

Check continuity between combination meter connector M76 terminal 26 and parking brake switch con-
nector E52 terminal 1.

4.

Check continuity between combination meter connector and ground.

Condition

DATA MONITOR

Actuate parking brake

On

Release parking brake

Off

Combination meter

Parking brake switch

Continuity

Connector

Terminal

Connector

Terminal

M76 26

E52

1

Yes