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
- 4WD models: Refer to
• Rear axle
- 2WD models: Refer to
.
- 4WD models: Refer to
.
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
- 4WD models: Refer to
• Rear axle
- 2WD models: Refer to
.
- 4WD models: Refer to
.
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
.
- RHD models: Refer to
• Rear
- LHD models: Refer to
- RHD models: Refer to
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.
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