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. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the “SUPPLEMENTAL RESTRAINT SYS-
TEM” and “SEAT BELTS” 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 “SUPPLEMENTAL RESTRAINT SYSTEM”.

• 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.

Precaution for Brake System

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• Recommended fluid is brake fluid “DOT 3”. Refer to

MA-9

• Do not reuse drained brake fluid.
• Be careful not to splash brake fluid on painted areas such as body. If brake fluid is splashed, wipe it off and

flush area with water immediately.

• Do not use mineral oils such as gasoline or kerosene to clean. They will ruin rubber parts and cause

improper operation.

• Using a flare nut crowfoot and torque wrench, securely tighten

brake tube flare nuts.

• 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.

• Before working, turn ignition switch OFF and disconnect electrical

connectors of ABS actuator and electric unit (control unit) or bat-
tery negative terminal.

• When installing brake piping, be sure to check torque.

WARNING:

Clean brake pads and shoes with a waste cloth, then wipe with
a dust collector.

Precaution for Brake Control

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• During VDC/TCS/ABS operation, brake pedal lightly vibrates and a mechanical noise may be heard. This is

normal.

• Just after starting vehicle after turning ignition switch ON, brake pedal may vibrate or motor operating noise

may be heard from engine room. This is a normal status of operation check.

• Stopping distance may be longer than that of vehicles without ABS when vehicle drives on rough, gravel, or

snow-covered (fresh, deep snow) roads.

• 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 simple causes before starting diagnostic
servicing. Besides electrical system inspection, check booster operation, brake fluid level, and fluid 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.

• If there is a radio, antenna, or antenna lead-in wire (including wiring) near control module, VDC/TCS/ABS

function may have a malfunction or error.

• If aftermarket parts (car stereo, CD player, etc.) have been installed, check for incidents such as harness

pinches, open circuits, and improper wiring.

SBR686C

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