Nissan Sentra. Manual - part 154

BRC-3

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Diagnosis Procedure .............................................

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THE BRAKING DISTANCE IS LONG ..............

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Diagnosis Procedure .............................................

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ABS FUNCTION DOES NOT OPERATE .........

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Diagnosis Procedure .............................................

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PEDAL VIBRATION OR ABS OPERATION 
SOUND OCCURS  ............................................

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Diagnosis Procedure .............................................

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VEHICLE JERKS DURING VDC/TCS/ABS 
CONTROL ........................................................

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Diagnosis Procedure .............................................

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NORMAL OPERATING CONDITION ...............

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Description ............................................................

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REMOVAL AND INSTALLATION .............

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WHEEL SENSOR .............................................

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FRONT WHEEL SENSOR .......................................

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FRONT WHEEL SENSOR : Exploded View  .........

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FRONT WHEEL SENSOR : Removal and Instal-
lation ......................................................................

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REAR WHEEL SENSOR  .........................................

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REAR WHEEL SENSOR : Exploded View ............

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REAR WHEEL SENSOR : Removal and Installa-
tion .........................................................................

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SENSOR ROTOR ............................................

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FRONT SENSOR ROTOR  .......................................

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FRONT SENSOR ROTOR : Removal and Instal-
lation ......................................................................

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REAR SENSOR ROTOR  .........................................

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REAR SENSOR ROTOR : Removal and Installa-
tion .........................................................................

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ABS ACTUATOR AND ELECTRIC UNIT 
(CONTROL UNIT)  ...........................................

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Exploded View .......................................................

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Removal and Installation  .......................................

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VDC OFF SWITCH ..........................................

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Removal and Installation  .......................................

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STEERING ANGLE SENSOR .........................

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Exploded View .......................................................

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Removal and Installation  .......................................

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BRC-4

< PRECAUTION >

[VDC/TCS/ABS]

PRECAUTIONS

PRECAUTION

PRECAUTIONS

Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT 
PRE-TENSIONER"

INFOID:0000000010287706

The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along

with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain

types of collision. Information necessary to service the system safely is included in the SR and SB section of

this Service Manual.

WARNING:

• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in

the event of a collision which would result in air bag inflation, all maintenance must be performed by

an authorized NISSAN/INFINITI dealer.

• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal

injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag

Module, see the SR section.

• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this

Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-

ness connectors.

PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS

WARNING:

• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-

tion ON or engine running, DO NOT use air or electric power tools or strike near the sensor(s) with a

hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly causing

serious injury.

• When using air or electric power tools or hammers, always switch the Ignition OFF, disconnect the

battery and wait at least three minutes before performing any service.

Precaution for Procedure without Cowl Top Cover

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When performing the procedure after removing cowl top cover, cover

the lower end of windshield with urethane, etc to prevent damage to

windshield.

Precaution for Brake Control System

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• Always perform a pre-driving check to drive the vehicle.

• Always check speed and safety while driving the vehicle.

• To operate CONSULT while driving, more than one person is required to be in the vehicle to avoid interfer-

ence to driving and ensure safety.

• Slight vibrations are felt on the brake pedal and the operation noises occur, when ABS function or EBD func-

tion operates. This is not a malfunction because it is caused by ABS function or EBD function that is nor-

mally operated.

• When starting engine or when starting vehicle just after starting engine, brake pedal may vibrate or motor

operating noise may be heard from engine compartment. This is normal condition.

• Brake stopping distance may become longer than models without ABS function depending on the road con-

ditions, when ABS function is operated on slippery road like rough road, gravel road or snowy road.

• When a malfunction is indicated, always collect information from the customer about conditions of occur-

rence, estimate cause and perform operation. Check brake booster operation, brake fluid level and brake

fluid leakage, as well as electrical system.

PIIB3706J

PRECAUTIONS

BRC-5

< PRECAUTION >

[VDC/TCS/ABS]

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• The optimum performance is achieved by control for ABS function or EBD function when all of brakes, sus-

pensions and tires installed on the vehicle are the specified size and parts. Brake performance and control-

lability may be negatively affected when other parts than the specified are installed.

• Brake stopping distance may become longer and steering stability may be negatively affected, when tires in

different size and combination or other parts than the specified are used.

• When a radio (including wiring), antenna and antenna lead line are located near ABS actuator and electric

unit (control unit), a malfunction or improper operation may occur for the control of ABS function or EBD

function.

• When the following items are replaced by other parts than genuine parts or modified, ABS warning lamp and

brake warning lamp may turn ON, and the control may not operate normally for ABS function or EBD func-

tion.

- Suspension component parts (shock absorber, spring, bushing and others)

- Tire and wheel (other than the specified size)

- Brake component parts (brake pad, disc rotor, brake caliper and others)

- Engine component parts (ECM, muffler and others)

- Body reinforcement component parts (rollover bar, tower bar and others)

• When suspension, tire and brake component parts are excessively worn or deteriorated and the vehicle is

driven, ABS warning lamp and brake warning lamp may turn ON, and the control may not operate normally

for ABS function or EBD function.

• ABS warning lamp and brake warning lamp may turn ON, when only front wheel or rear wheel is rotated

using a free roller. This is not a malfunction, because it is caused by wheel speed difference between wheel

that is rotated and wheel that is not rotated. In this case, perform self-diagnosis, check self-diagnosis results,

and erase memory.

• When power supply voltage is not normal, ABS warning lamp and brake warning lamp turn ON. ABS actua-

tor and electric unit (control unit) stops control for ABS function or EBD function. Ordinary brake operates.

After power supply returns to normal, ABS warning lamp and brake warning lamp turn OFF. The control

becomes operative for ABS function or EBD function.

Precaution for Harness Repair

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• Solder the repair part, and wrap it with tape. [Twisted wire fray

must be 110 mm (4.33 in) or less.]

• Do not bypass the repair point with wire. (If it is bypassed, the turn-

out point cannot be separated and the twisted wire characteristics

are lost.)

SKIB8766E

SKIB8767E

BRC-6

< PREPARATION >

[VDC/TCS/ABS]

PREPARATION

PREPARATION

PREPARATION

Special Service Tool

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The actual shape of the tools may differ from those illustrated here.

Commercial Service Tools

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Tool number
(TechMate No.)
Tool name

Description

—

(J-45741)
ABS active wheel sensor tester

Checking operation of ABS active wheel sen-
sor

WFIA0101E

Tool name

Description

1. Flare nut crowfoot
2. Torque wrench

Removing and installing brake piping
a: 10 mm (0.39 in)/12 mm (0.47 in)

Power tool

Loosening nuts, screws and bolts

S-NT360

PIIB1407E