Nissan Quest E52. Manual - part 253

PARKING BRAKE SWITCH

BRC-105

< DTC/CIRCUIT DIAGNOSIS >

[WITH VDC]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace parking brake switch. Refer to 

PB-6, "Removal and Installation"

.

Parking brake switch

—

Condition

Continuity

Terminal

1

Ground

When the parking brake switch is operated.

Existed

When the parking brake switch is not operated.

Not existed

BRC-106

< DTC/CIRCUIT DIAGNOSIS >

[WITH VDC]

VDC OFF SWITCH

VDC OFF SWITCH

Component Function Check

INFOID:0000000009651428

1.

CHECK VDC OFF SWITCH OPERATION

Check that VDC OFF indicator lamp in combination meter turns ON/OFF when VDC OFF switch is operated.
Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Proceed to diagnosis procedure. Refer to 

BRC-106, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009651429

1.

CHECK VDC OFF SWITCH

Check VDC OFF switch. Refer to 

BRC-107, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace VDC OFF switch. Refer to 

BRC-127, "Removal and Installation"

.

2.

CHECK VDC OFF SWITCH CIRCUIT

1.

Turn the ignition switch OFF.

2.

Disconnect ABS actuator and electric unit (control unit) harness connector.

3.

Disconnect VDC OFF switch harness connector.

4.

Check continuity between ABS actuator and electric unit (control unit) harness connector and VDC OFF
switch harness connector.

5.

Check continuity between ABS actuator and electric unit (control unit) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace error-detected parts.

3.

CHECK VDC OFF SWITCH GROUND CIRCUIT

Check continuity between VDC OFF switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace error-detected parts.

4.

CHECK VDC OFF SWITCH SIGNAL

With CONSULT

1.

Connect ABS actuator and electric unit (control unit) harness connector.

2.

Connect VDC OFF switch harness connector.

3.

Select “ABS”, “DATA MONITOR” and “OFF SW” according to this order. Check VDC OFF switch signal.

ABS actuator and electric unit 

(control unit)

VDC OFF switch

Continuity

Connector

Terminal

Connector

Terminal

E36

22

M5

1

Existed

ABS actuator and electric unit (con-

trol unit)

—

Continuity

Connector

Terminal

E36

22

Ground

Not existed

VDC OFF switch

—

Continuity

Connector

Terminal

M5

2

Ground

Existed

VDC OFF SWITCH

BRC-107

< DTC/CIRCUIT DIAGNOSIS >

[WITH VDC]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> GO TO 5.

5.

CHECK TERMINAL

1.

Check ABS actuator and electric unit (control unit) pin terminals for damage or loose connection with har-
ness connector.

2.

Check VDC OFF switch pin terminals for damage or loose connection with harness connector.

Is the inspection result normal?

YES

>> Replace ABS actuator and electric unit (control unit). Refer to 

BRC-123, "Removal and Installa-

tion"

.

NO

>> Repair or replace error-detected parts.

Component Inspection

INFOID:0000000009651430

1.

CHECK VDC OFF SWITCH

1.

Turn the ignition switch OFF.

2.

Disconnect triple switch harness connector.

3.

Check continuity between terminals of VDC OFF switch connector.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace VDC OFF switch. Refer to 

BRC-127, "Removal and Installation"

.

Condition

DATA MONITOR

When VDC OFF switch is pressed and VDC OFF indicator 
lamp in combination meter is in ON status

On

When VDC OFF switch is pressed and VDC OFF indicator 
lamp in combination meter is in OFF status

Off

VDC OFF switch

Condition

Continuity

Terminal

1 – 2

When VDC OFF switch is pressed

Existed

When VDC OFF switch is not pressed

Not existed

BRC-108

< DTC/CIRCUIT DIAGNOSIS >

[WITH VDC]

ABS WARNING LAMP

ABS WARNING LAMP

Component Function Check

INFOID:0000000009651431

1.

CHECK ABS WARNING LAMP FUNCTION

Check that ABS warning lamp in combination meter turns ON for approx. 2 second after ignition switch is
turned ON.

CAUTION:

Never start engine.
Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Proceed to 

BRC-108, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009651432

1.

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY AND GROUND CIR-

CUIT

Perform the trouble diagnosis for ABS actuator and electric unit (control unit) power supply and ground circuit.
Refer to 

BRC-101, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace error-detected parts.

2.

PERFORM SELF-DIAGNOSIS

With CONSULT

Perform self-diagnosis for “ABS”.
Is any DTC detected?

YES

>> Check the DTC. Refer to 

BRC-38, "DTC Index"

.

NO

>> GO TO 3.

3.

CHECK ABS WARNING LAMP SIGNAL

With CONSULT

1.

Select “ABS”, “DATA MONITOR” and “ABS WARN LAMP” according to this order.

2.

Turn the ignition switch OFF.

3.

Check that data monitor displays “On” for approx. 1 second after ignition switch is turned ON and then
changes to “Off”.

CAUTION:

Never start engine.

Is the inspection result normal?

YES

>> Check combination meter. Refer to 

MWI-35, "CONSULT Function"

.

NO

>> Replace ABS actuator and electric unit (control unit). Refer to 

BRC-123, "Removal and Installa-

tion"

.