Nissan Teana J32. Instruction — part 249
BRC-54
< SYMPTOM DIAGNOSIS >
[ABS]
NORMAL OPERATING CONDITION
NORMAL OPERATING CONDITION
Description
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Symptom
Result
Slight vibrations are felt on the brake pedal and the operation noises occur, when ABS is activated.
This is a normal condi-
tion due to the ABS acti-
vation.
Stopping distance is longer than that of vehicles without ABS when the vehicle drives on rough, gravel, or
snow-covered (fresh, deep snow) roads.
The brake pedal vibrates and motor operation noises occur from the engine room, after the engine starts and
just after the vehicle starts.
This is a normal, and it is
caused by the ABS op-
eration check.
PRECAUTIONS
BRC-55
< PRECAUTION >
[ABS]
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
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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 “SRS AIRBAG” and
“SEAT BELT” of this Service Instruction.
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 “SRS AIRBAG”.
• Never use electrical test equipment on any circuit related to the SRS unless instructed to in this Ser-
vice Instruction. SRS wiring harnesses can be identified by yellow and/or orange harnesses or harness
connectors.
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.
Precaution for Brake System
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WARNING:
Clean brake pads and shoes with a waste cloth, then wipe with a dust collector.
• Only use “DOT 3” or “DOT 4” brake fluid. Refer to
MA-11, "Fluids and Lubricants"
.
• Never reuse drained brake fluid.
• Never spill or splash brake fluid on painted surfaces. Brake fluid may seriously damage paint. Wipe it off
immediately and wash with water if it gets on a painted surface.
• Never use mineral oils such as gasoline or light oil. They may damage rubber parts and cause improper
operation.
• Always loosen the brake tube flare nut with a flare nut wrench.
• Tighten the brake tube flare nut to the specified torque with a flare
nut torque wrench (A).
• Always conform the specified tightening torque when installing the
brake pipes.
• Brake system is an important safety part. If a brake fluid leak is
detected, always disassemble the affected part. If a malfunction is
detected, replace part with a new one.
• Turn the ignition switch OFF and disconnect the ABS actuator and
electric unit (control unit) connector or the battery negative terminal
before performing the work.
PIIB3706J
JPFIA0061ZZ
BRC-56
< PRECAUTION >
[ABS]
PRECAUTIONS
Precaution for Brake Control
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• 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.
• When an error is indicated by ABS or another warning lamp, collect all necessary information from customer
(what symptoms are present under what conditions) and check for estimate causes before starting diagnos-
tic servicing. Besides electrical system inspection, check brake booster operation, brake fluid level, and oil
leaks.
• If tire size and type are used in an improper combination, or brake pads are not Genuine NISSAN parts,
stopping distance or steering stability may deteriorate.
• ABS might be out of order or malfunctions by putting a radio (wiring inclusive), an antenna and a lead-in wire
near the control unit.
• If aftermarket parts (car stereo, CD player, etc.) have been installed, check for incidents such as harness
pinches, open circuits, and improper wiring.
Precautions for Harness Repair
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COMMUNICATION LINE
• Solder the repaired area and wrap tape around the soldered area.
NOTE:
A fray of twisted lines must be within 110 mm (4.33 in).
• Bypass connection is never allowed at the repaired area.
NOTE:
Bypass connection may cause communication error as spliced
wires that are separate from the main line or twisted lines lose
noise immunity.
• Replace the applicable harness as an assembly if error is detected
on the shield lines of communication line.
SKIB8766E
SKIB8767E
WHEEL SENSOR
BRC-57
< ON-VEHICLE REPAIR >
[ABS]
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ON-VEHICLE REPAIR
WHEEL SENSOR
FRONT WHEEL SENSOR
FRONT WHEEL SENSOR : Exploded View
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NOTE:
The above figure shows left side. Right side is the mirror image.
FRONT WHEEL SENSOR : Removal and Installation
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REMOVAL
Be careful with the following when removing sensor.
CAUTION:
• Do not twist sensor harness as much as possible, when removing it. Pull sensors out without pulling
sensor harness.
• Be careful to avoid damaging sensor edges or rotor teeth. Remove wheel sensor first before remov-
ing front or rear wheel hub. This is to avoid damage to sensor wiring and loss of sensor function.
INSTALLATION
Be careful with the following when installing wheel sensor. Tighten installation bolts to the specified torques.
Refer to
BRC-57, "FRONT WHEEL SENSOR : Exploded View"
CAUTION:
• When installing, make sure there is no foreign material such as iron chips on and in the mounting
hole of the wheel sensor. Make sure no foreign material has been caught in the sensor rotor. Remove
any foreign material and clean the mount.
1.
Front LH wheel sensor
2.
Front LH wheel sensor connector
: Vehicle front
Refer to GI section
for symbol marks in the figure.
JSFIA0221GB
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