Nissan Versa Note. Manual - part 856

WCS-38

< DTC/CIRCUIT DIAGNOSIS >

PARKING BRAKE SWITCH SIGNAL CIRCUIT

PARKING BRAKE SWITCH SIGNAL CIRCUIT

Component Function Check

INFOID:0000000009654166

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-38, "Diagnosis Procedure"

.

Diagnosis Procedure

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Regarding Wiring Diagram information, refer to 

WCS-25, "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-39, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace parking brake switch. Refer to 

PB-9, "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 PARK BRAKE SW and check parking brake switch signal.

Is the inspection result normal?

YES

>> Refer to 

WCS-30, "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 M24 terminal 10 and parking brake switch con-

nector M17 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

M24 10

M17

1

Yes

WCS

PARKING BRAKE SWITCH SIGNAL CIRCUIT

WCS-39

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Is the inspection result normal?

YES

>> Replace combination meter. Refer to 

MWI-54, "Removal and Installation"

.

NO

>> Repair or replace malfunctioning components.

Component Inspection

INFOID:0000000009654168

1.

CHECK PARKING BRAKE SWITCH

1. Turn ignition switch OFF.

2. Disconnect parking brake switch connector.

3. Check continuity between parking brake switch terminal 1 and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace parking brake switch. Refer to 

PB-9, "Removal and Installation"

.

Combination meter

—

Continuity

Connector

Terminal

M24 10

Ground

No

Parking brake switch terminal

—

Condition

Continuity

1

Ground

Parking brake actuated

Yes

Parking brake released

No

WCS-40

< DTC/CIRCUIT DIAGNOSIS >

KEY SWITCH SIGNAL CIRCUIT (WITHOUT INTELLIGENT KEY)

KEY SWITCH SIGNAL CIRCUIT (WITHOUT INTELLIGENT KEY)

Description

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Transmits a key switch signal to the BCM.

Component Function Check

INFOID:0000000009654170

1.

 CHECK BCM INPUT SIGNAL

Select Data Monitorfor BCM and check the KEY ON SW monitor value.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Refer to 

WCS-40, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009654171

Regarding Wiring Diagram information, refer to 

WCS-25, "Wiring Diagram"

.

1.

 CHECK FUSE

Check if the key switch 10A fuse [No. 8, located in the fuse block (J/B)] is blown.
Is the fuse blown?

YES

>> Replace the fuse after repairing the affected circuit.

NO

>> GO TO 2.

2.

 CHECK BCM INPUT SIGNAL

Check voltage between BCM harness connector M18 terminal 37 and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> GO TO 3.

3.

 CHECK KEY SWITCH CIRCUIT 

1. Disconnect BCM connector M18 and key switch.

2. Check continuity between BCM harness connector M18 terminal 37 and key switch harness connector

M27 terminal 1.

3. Check continuity between BCM harness connector M18 terminal 37 and ground.

Monitor Item

Condition

Status

KEY ON SW

When key is removed from key cylinder

OFF

When key is inserted into key cylinder

ON

Terminals

Condition

Voltage

(Approx.)

(+)

(

−)

BCM

connector

Terminal

M18

37

Ground

Key is inserted

Battery voltage

Key is removed

0V

BCM

Key switch

Continuity

Connector

Terminal

Connector

Terminal

M18

37

M27

1

Yes

WCS

KEY SWITCH SIGNAL CIRCUIT (WITHOUT INTELLIGENT KEY)

WCS-41

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

 CHECK KEY SWITCH POWER SUPPLY CIRCUIT

Check voltage between key switch harness connector M27 terminal 2 and ground.

Is the inspection result normal?

YES

>> Replace key switch.

NO

>> Repair or replace harness.

Component Inspection

INFOID:0000000009654172

1.

 CHECK KEY SWITCH

1. Turn ignition switch OFF.

2. Disconnect key switch.

3. Check continuity between key switch terminals 1 and 2.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace key switch.

BCM

Ground

Continuity

Connector

Terminal

M18

37

No

Terminals

Voltage

(Approx.)

(+)

(–)

Key switch 

Terminal

M27

2

Ground

Battery voltage

Terminal

Condition

Continuity

1

2

When key is removed from key cylinder

No

When key is inserted into key cylinder

Yes