Nissan X-Trail 32. Manual - part 184

BRC-202

< SYMPTOM DIAGNOSIS >

[WITH VDC (ESP)]

EXCESSIVE OPERATION FREQUENCY

SYMPTOM DIAGNOSIS

EXCESSIVE OPERATION FREQUENCY

Description

INFOID:0000000010723744

VDC function, TCS function, ABS function, EBD function, brake limited slip differential (BLSD) function, brake
assist function, brake force distribution function, hill start assist function or advanced hill descent control func-
tion (4WD models with gasoline engine) operates in excessive operation frequency.

Diagnosis Procedure

INFOID:0000000010723745

1.

CHECK BRAKING FORCE

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

YES

>> GO TO 2.

NO

>> Check the brake system.

2.

CHECK FRONT AXLE AND REAR AXLE

Check that there is no excessive looseness in front and rear axle.
• Front axle
- 2WD models: Refer to 

FAX-9, "Inspection"

.

- 4WD models: Refer to 

FAX-70, "Inspection"

.

• Rear axle
- 2WD models: Refer to 

RAX-6, "Inspection"

.

- 4WD models: Refer to 

RAX-16, "Inspection"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace error-detected parts.

3.

CHECK WHEEL SENSOR

Check the 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 or replace the wheel sensor.

• Front wheel sensor: Refer to 

BRC-212, "FRONT WHEEL SENSOR : Removal and Installation"

.

• Rear sensor rotor: Refer to 

BRC-214, "REAR WHEEL SENSOR : Removal and Installation"

.

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 or replace the sensor rotor.

• Front sensor rotor: Refer to 

BRC-216, "FRONT SENSOR ROTOR : Removal and Installation"

.

• Rear sensor rotor: Refer to 

BRC-216, "REAR SENSOR ROTOR : Removal and Installation"

.

5.

CHECK WARNING LAMP TURN OFF

• Check that VDC warning lamp and ABS warning lamp turn OFF approx. 1 second after ignition switch is

turned ON.

• Check that VDC warning lamp and ABS warning lamp turn OFF after engine started or driving.

CAUTION:

Brake warning lamp turns ON when parking brake is operated (parking brake switch is ON) (without
electric parking brake system) or brake fluid is less than the specified level (brake fluid level switch is
ON).
Is the inspection result normal?

EXCESSIVE OPERATION FREQUENCY

BRC-203

< SYMPTOM DIAGNOSIS >

[WITH VDC (ESP)]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

YES

>> Normal

NO

>> Perform self-diagnosis for “ABS” with CONSULT.

BRC-204

< SYMPTOM DIAGNOSIS >

[WITH VDC (ESP)]

UNEXPECTED BRAKE PEDAL REACTION

UNEXPECTED BRAKE PEDAL REACTION

Description

INFOID:0000000010723746

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

Diagnosis Procedure

INFOID:0000000010723747

1.

CHECK FRONT AXLE AND REAR AXLE

Check that there is no excessive looseness in front and rear axle.
• Front axle
- 2WD models: Refer to 

FAX-9, "Inspection"

.

- 4WD models: Refer to 

FAX-70, "Inspection"

.

• Rear axle
- 2WD models: Refer to 

RAX-6, "Inspection"

.

- 4WD models: Refer to 

RAX-16, "Inspection"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace error-detected parts.

2.

CHECK DISC ROTOR

Check the disc rotor.
• Front
- LHD models: Refer to 

BR-17, "DISC ROTOR : Inspection and Adjustment"

.

- RHD models: Refer to 

BR-81, "DISC ROTOR : Inspection and Adjustment"

.

• Rear
- LHD models: Refer to 

BR-19, "DISC ROTOR : Inspection and Adjustment"

.

- RHD models: Refer to 

BR-83, "DISC ROTOR : Inspection and Adjustment"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Refinish or replace the disc rotor.

3.

CHECK BRAKE FLUID LEAKAGE

Check the fluid leakage.
• Front
- LHD models: Refer to 

BR-27, "FRONT : Inspection"

.

- RHD models: Refer to 

BR-77, "Inspection"

.

• Rear
- LHD models: Refer to 

BR-31, "REAR : Inspection"

.

- RHD models: Refer to 

BR-94, "REAR : Inspection"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace error-detected parts.

4.

CHECK BRAKE PEDAL

Check the each item of brake pedal.
• LHD models: Refer to 

BR-11, "Inspection and Adjustment"

.

• RHD models: Refer to 

BR-75, "Inspection and Adjustment"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>>

Adjust the each item of brake pedal.

• LHD models: Refer to 

BR-11, "Inspection and Adjustment"

.

• RHD models: Refer to 

BR-75, "Inspection and Adjustment"

.

5.

CHECK BRAKING FORCE

Check the brake force using a brake tester.

Is the inspection result normal?

YES

>> GO TO 6.

UNEXPECTED BRAKE PEDAL REACTION

BRC-205

< SYMPTOM DIAGNOSIS >

[WITH VDC (ESP)]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

NO

>> Check each components of brake system.

6.

CHECK BRAKE PERFORMANCE

Disconnect the 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

>> Normal

NO

>> Check each components of brake system.