Nissan Qashqai (2007-2010). Manual — part 712

BRC-46

< COMPONENT DIAGNOSIS >

[ABS]

BRAKE FLUID LEVEL SWITCH

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair or replace malfunctioning components.

Component Inspection

INFOID:0000000000925046

1.

CHECK BRAKE FLUID LEVEL SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect brake fluid level switch connector.

3.

Check continuity between brake fluid level switch connector terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace reservoir tank.

Combination meter

—

Continuity

Connector

Terminal

M34

27

Ground

Not existed

Brake fluid level switch

—

Continuity

Connector

Terminal

E37

2

Ground

Existed

Brake fluid level switch

Condition

Continuity

Connector

Terminal

E37

1 – 2

When brake fluid is full in the reservoir tank.

Not existed

When brake fluid is empty in the reservoir tank.

Existed

PARKING BRAKE SWITCH

BRC-47

< COMPONENT DIAGNOSIS >

[ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

PARKING BRAKE SWITCH

Description

INFOID:0000000000925052

The parking brake switch converts the status of the parking brake pedal to an electric signal and transmits it to
the ABS actuator and electric unit (control unit).

Diagnosis Procedure

INFOID:0000000001125317

1.

CHECK COMBINATION METER INPUT SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between combination meter harness connector terminal 26 and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> GO TO 2.

2.

CHECK PARKING BRAKE SWITCH SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect combination meter connector and parking brake switch connector.

3.

Check continuity between combination meter harness connector terminal 26 and parking brake switch
harness connector terminal 1.

4.

Check continuity between combination meter harness connector terminal 26 and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

Component Function Check

INFOID:0000000000925053

1.

CHECK PARKING BRAKE SWITCH OPERATION

Operate the parking brake pedal. Then check that the brake warning lamp in the combination meter turns on/
off correctly.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Go to diagnosis procedure. Refer to

BRC-47, "Diagnosis Procedure"

.

Component Inspection

INFOID:0000000000925055

INSPECTION PROCEDURE

1.

CHECK PARKING BRAKE SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect parking brake switch connector.

26 – Ground

Parking brake ON

: Approx. 0 V

Parking brake OFF

: Approx. 5 V

26 – 1

: Continuity should exist.

26 – Ground

: Continuity should not exist.

Condition

Brake warning lamp illumination status

When the parking brake switch is opera-
tion

ON

When the parking brake switch is not oper-
ation.

OFF

BRC-48

< COMPONENT DIAGNOSIS >

[ABS]

PARKING BRAKE SWITCH

3.

Check continuity between parking brake switch terminal and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace parking brake switch.

Parking brake switch

—

Condition

Continuity

Connector

Terminal

M103

1

Ground

When the parking brake switch is operated.

Existed

When the parking brake switch is not operated.

Not existed

ABS WARNING LAMP

BRC-49

< COMPONENT DIAGNOSIS >

[ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

ABS WARNING LAMP

Description

INFOID:0000000000925060

×

: ON –: OFF

Component Function Check

INFOID:0000000000925061

1.

CHECK ABS WARNING LAMP OPERATION

Check that the lamp illuminates for approximately 1 second after the ignition switch is turned ON.
Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Go to diagnosis procedure. Refer to

BRC-49, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000000925062

1.

CHECK SELF-DIAGNOSIS

Perform ABS actuator and electric unit (control unit) self-diagnosis. Refer to

BRC-17, "CONSULT-III Function

(ABS)"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Check items displayed by self-diagnosis.

2.

CHECK COMBINATION METER

Check if the indication and operation of combination meter are normal. Refer to

MWI-21, "Diagnosis Descrip-

tion"

.

Is the inspection result normal?

YES

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

NO

>> Repair or replace combination meter.

Condition

ABS warning lamp

Ignition switch OFF

–

For 1 second after turning ON ignition switch

×

1 second later after turning ON ignition switch

–

ABS function is malfunctioning.

×

EBD function is malfunctioning.

×