Nissan Maxima. Manual - part 268

UNEXPECTED PEDAL REACTION

BRC-93

< SYMPTOM DIAGNOSIS >

[VDC/TCS/ABS]

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UNEXPECTED PEDAL REACTION

Diagnosis Procedure

INFOID:0000000010049151

1.

CHECK BRAKE PEDAL STROKE

Check brake pedal stroke. Refer to 

BR-14, "Inspection and Adjustment"

.

Is the stroke too big?

YES

>> • Bleed air from brake tube and hose. Refer to 

BR-16, "Bleeding Brake System"

.

• Check brake pedal, brake booster, and master cylinder for mount play, looseness, brake system

fluid leakage, etc. Refer to brake pedal 

BR-14, "Inspection and Adjustment"

, brake booster 

BR-

9, "Inspection"

 and master cylinder 

BR-11, "Inspection"

.

NO

>> GO TO 2

2.

CHECK FUNCTION

Disconnect ABS actuator and electric unit (control unit) connector to deactivate ABS. Check if braking force is

normal in this condition.Connect connector after inspection.
Is the inspection result normal?

YES

>> GO TO 3

NO

>> Check brake system.

3.

CHECK WHEEL SENSOR AND SENSOR ROTOR

Check the following:

• Wheel sensor installation for damage.

• Sensor rotor installation for damage. 

• Wheel sensor connector connection.

• Wheel sensor harness inspection.
Is the inspection result normal?

YES

>> GO TO 4

NO

>> • Replace wheel sensor or sensor rotor. Refer to 

BRC-102, "Removal and Installation - Front

Wheel Sensor"

 or 

BRC-103, "Removal and Installation - Rear Wheel Sensor"

.

• Repair harness.

4.

CHECK ABS WARNING LAMP DISPLAY

Make sure that the ABS warning lamp is turned off after the ignition switch is turned ON or when driving. 
Is the inspection result normal?

YES

>> Inspection End.

NO

>> Perform self-diagnosis. Refer to 

BRC-21, "CONSULT Function (ABS)"

.

BRC-94

< SYMPTOM DIAGNOSIS >

[VDC/TCS/ABS]

THE BRAKING DISTANCE IS LONG

THE BRAKING DISTANCE IS LONG

Diagnosis Procedure

INFOID:0000000010049152

CAUTION:

The stopping distance on slippery road surfaces might be longer with the ABS operating than when

the ABS is not operating.

1.

CHECK FUNCTION

Turn ignition switch OFF and disconnect ABS actuator and electric unit (control unit) connector to deactivate

ABS. In this condition, check stopping distance. After inspection, connect connector.
Is the inspection result normal?

YES

>> GO TO 2

NO

>> Check brake system.

2.

CHECK WHEEL SENSOR AND SENSOR ROTOR

Check the following:

• Wheel sensor installation for damage.

• Sensor rotor installation for damage. 

• Wheel sensor connector connection.

• Wheel sensor harness inspection.
Is the inspection result normal?

YES

>> GO TO 3

NO

>> • Replace wheel sensor or sensor rotor. Refer to 

BRC-102, "Removal and Installation - Front

Wheel Sensor"

 or 

BRC-103, "Removal and Installation - Rear Wheel Sensor"

.

• Repair harness.

3.

CHECK ABS WARNING LAMP DISPLAY

Make sure that the ABS warning lamp is turned off after the ignition switch is turned ON or when driving. 
Is the inspection result normal?

YES

>> Inspection End.

NO

>> Perform self-diagnosis. Refer to 

BRC-21, "CONSULT Function (ABS)"

.

ABS FUNCTION DOES NOT OPERATE

BRC-95

< SYMPTOM DIAGNOSIS >

[VDC/TCS/ABS]

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ABS FUNCTION DOES NOT OPERATE

Diagnosis Procedure

INFOID:0000000010049153

CAUTION:

ABS does not operate when speed is 10 km/h (6 MPH) or lower.

1.

CHECK ABS WARNING LAMP DISPLAY

Make sure that the ABS warning lamp turns OFF after ignition switch is turned on or when driving.
Is the inspection result normal?

YES

>> GO TO 2

NO

>> Perform self-diagnosis. Refer to 

BRC-21, "CONSULT Function (ABS)"

. 

2.

CHECK WHEEL SENSOR AND SENSOR ROTOR

Check the following:

• Wheel sensor installation for damage.

• Sensor rotor installation for damage. 

• Wheel sensor connector connection.

• Wheel sensor harness inspection.
Is the inspection result normal?

YES

>> GO TO 3

NO

>> • Replace wheel sensor or sensor rotor. Refer to 

BRC-102, "Removal and Installation - Front

Wheel Sensor"

 or 

BRC-103, "Removal and Installation - Rear Wheel Sensor"

.

• Repair harness.

3.

CHECK ABS WARNING LAMP DISPLAY

Make sure that the ABS warning lamp is turned off after the ignition switch is turned ON or when driving. 
Is the inspection result normal?

YES

>> Inspection End.

NO

>> Perform self-diagnosis. Refer to 

BRC-21, "CONSULT Function (ABS)"

.

BRC-96

< SYMPTOM DIAGNOSIS >

[VDC/TCS/ABS]

PEDAL VIBRATION OR ABS OPERATION SOUND OCCURS

PEDAL VIBRATION OR ABS OPERATION SOUND OCCURS

Diagnosis Procedure

INFOID:0000000010049154

CAUTION:

Under the following conditions, ABS is activated and vibration is felt when brake pedal is lightly

depressed (just place a foot on it).However, this is normal.

• When shifting gears

• When driving on slippery road

• During cornering at high speed

• When passing over bumps or grooves [at approximately 50 mm (1.97 in) or more]

• When pulling away just after starting engine [at approximately 10 km/h (6 MPH) or higher]

1.

SYMPTOM CHECK 1

Check if there is pedal vibration or operation sound when the engine is started.
Do symptoms occur?

YES

>> GO TO 2

NO

>> Perform self -diagnosis. Refer to 

BRC-21, "CONSULT Function (ABS)"

.

2.

SYMPTOM CHECK 2

Check symptoms when electrical component (headlamps, etc.) switches are operated.
Do symptoms occur?

YES

>> Check if there is a radio, antenna, antenna lead wire, or wiring close to the control unit. If there is,

move it farther away.

NO

>> GO TO 3

3.

CHECK WHEEL SENSOR AND SENSOR ROTOR

Check the following:

• Wheel sensor installation for damage.

• Sensor rotor installation for damage. 

• Wheel sensor connector connection.

• Wheel sensor harness inspection.
Is the inspection result normal?

YES

>> GO TO 4

NO

>> • Replace wheel sensor or sensor rotor. Refer to 

BRC-102, "Removal and Installation - Front

Wheel Sensor"

 or 

BRC-103, "Removal and Installation - Rear Wheel Sensor"

.

• Repair harness.

4.

CHECK ABS WARNING LAMP DISPLAY

Make sure that the ABS warning lamp is turned off after the ignition switch is turned ON or when driving. 
Is the inspection result normal?

YES

>> Inspection End.

NO

>> Perform self-diagnosis. Refer to 

BRC-21, "CONSULT Function (ABS)"

.