Nissan Pathfinder. Manual - part 263

EXCESSIVE OPERATION FREQUENCY

BRC-111

< SYMPTOM DIAGNOSIS >

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

EXCESSIVE OPERATION FREQUENCY

Description

INFOID:0000000009177335

VDC function, TCS function, ABS function, EBD function or hill start assist function operates in excessive

operation frequency.

Diagnosis Procedure

INFOID:0000000009177336

1.

CHECK BRAKING FORCE

Check brake force using a brake tester.
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Check brake system.

2.

CHECK FRONT AND REAR AXLE

Check that there is no excessive looseness in front and rear axle.

• Front axle: Refer to 

FAX-6, "Inspection"

.

• Rear axle: Refer to 

RAX-5, "Inspection"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace malfunctioning components.

3.

CHECK WHEEL SENSOR

Check wheel sensor.

• Check installation and damage of wheel sensor.

• Check connection of wheel sensor harness connector.

• Check terminal of wheel sensor harness connector.
Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair installation or replace wheel sensor.

• Front wheel sensor: Refer to 

BRC-118, "Removal and Installation - Front Wheel Sensor"

.

• Rear wheel sensor: Refer to 

BRC-120, "Removal and Installation - Rear Wheel Sensor"

.

4.

CHECK SENSOR ROTOR

Check that there is no looseness, damage or foreign material on sensor rotor.
Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair installation or replace sensor rotor.

• Front sensor rotor: Refer to 

BRC-122, "Removal and Installation - Front Sensor Rotor"

.

• Rear sensor rotor: Refer to 

BRC-122, "Removal and Installation - Rear Sensor Rotor"

.

5.

CHECK WARNING LAMP TURNS OFF

Check that ABS warning lamp, brake warning lamp and VDC warning lamp turn OFF approx. 1 second after

key switch is turned ON and stay in OFF status during driving.

CAUTION:

Brake warning lamp turns ON when parking brake is operated (parking brake switch is ON) or brake

fluid is less than the specified level (brake fluid level switch is ON).
Is the inspection result normal?

YES

>> Inspection End.

NO

>> Perform self-diagnosis result. Refer to 

BRC-32, "CONSULT Function"

.

BRC-112

< SYMPTOM DIAGNOSIS >

[VDC/TCS/ABS]

UNEXPECTED BRAKE PEDAL REACTION

UNEXPECTED BRAKE PEDAL REACTION

Description

INFOID:0000000009177337

A malfunction of brake pedal feel (height or others) is detected when brake pedal is depressed.

Diagnosis Procedure

INFOID:0000000009177338

1.

CHECK FRONT AND REAR AXLE

Check that there is no excessive looseness in front and rear axle.

• Front axle: Refer to 

FAX-6, "Inspection"

.

• Rear axle: Refer to 

RAX-5, "Inspection"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace malfunctioning components.

2.

CHECK DISC ROTOR

Check disc rotor runout.

• Front: Refer to 

BR-11, "DISC ROTOR : Inspection"

.

• Rear: Refer to 

BR-13, "DISC ROTOR : Inspection"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Refinish the disc rotor.

3.

CHECK BRAKE FLUID LEAKAGE

Check fluid leakage. Refer to 

BR-8, "Inspection"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace malfunctioning components.

4.

CHECK BRAKE PEDAL

Check brake pedal. Refer to 

BR-7, "Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Adjust brake pedal. Refer to 

BR-15, "Adjustment"

.

5.

CHECK BRAKING FORCE

Check brake force using a brake tester.
Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Check brake system.

6.

CHECK BRAKE PERFORMANCE

Disconnect ABS actuator and electric unit (control unit) connector so that ABS does not operate. Check that

brake force is normal in this condition. Connect harness connectors after checking.
Is the inspection result normal?

YES

>> Inspection End.

NO

>> Check brake system.

THE BRAKING DISTANCE IS LONG

BRC-113

< SYMPTOM DIAGNOSIS >

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

THE BRAKING DISTANCE IS LONG

Description

INFOID:0000000009177339

Brake stopping distance is long when ABS function is operated.

Diagnosis Procedure

INFOID:0000000009177340

CAUTION:

Brake stopping distance on slippery roads like a rough road, gravel road or snowy road may become

longer when ABS is operated than when ABS is not operated.

1.

CHECK BRAKING FORCE

Check brake force using a brake tester.
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Check brake system.

2.

CHECK BRAKE PERFORMANCE

Disconnect ABS actuator and electric unit (control unit) connector so that ABS does not operate. Check brake

stopping distance in this condition. Connect harness connectors after checking.
Is the inspection result normal?

YES

>> Inspection End.

NO

>> Check brake system.

BRC-114

< SYMPTOM DIAGNOSIS >

[VDC/TCS/ABS]

ABS FUNCTION DOES NOT OPERATE

ABS FUNCTION DOES NOT OPERATE

Description

INFOID:0000000009177341

VDC function, TCS function, ABS function, EBD function or hill start assist function does not operate.

Diagnosis Procedure

INFOID:0000000009177342

CAUTION:

• VDC function, TCS function, ABS function, EBD function and hill start assist function never operate

when the vehicle speed is 10 km/h (6.2 MPH) or less. However, hill start assist function operates

when the vehicle speed is 0 km/h (0 MPH) (the vehicle is in stop status).

• VDC function and TCS function never operate when VDC OFF switch is operated (when VDC OFF

indicator lamp turns ON).

1.

CHECK ABS WARNING LAMP

Check that ABS warning lamp, brake warning lamp and VDC warning lamp turn ON and turn OFF approx. 1

second after key switch is turned ON. Check that ABS warning lamp, brake warning lamp and VDC warning

lamp and stay in OFF status during driving.

CAUTION:

Brake warning lamp turns ON when parking brake is operated (parking brake switch is ON) or brake

fluid is less than the specified level (brake fluid level switch is ON).
Is the inspection result normal?

YES

>> Inspection End.

NO

>> Perform self-diagnosis result“”. Refer to 

BRC-32, "CONSULT Function"

.