Nissan Versa (N17): Precautions

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

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 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 harness 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 Ignition 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 3 minutes before performing any service.

Precaution for SRS "AIR BAG" and "SEAT BELT PRE-TENSIONER" Service

  • Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
  • Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 minutes.

    For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pretensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes have passed.

  • The air bag diagnosis sensor unit must always be installed with the arrow mark pointing toward the front of the vehicle for proper operation. Also check air bag diagnosis sensor unit for cracks, deformities or rust before installation and replace as required.
  • The spiral cable must be aligned with the neutral position since its rotations are limited. Do not attempt to turn steering wheel or column after removal of steering gear.
  • Handle air bag module carefully. Always place driver and front passenger air bag modules with the pad side facing upward and seat mounted front side air bag module standing with the stud bolt side facing down.
  • Conduct self-diagnosis to check entire SRS for proper function after replacing any components.
  • After air bag inflates, the front instrument panel assembly should be replaced if damaged.

SYSTEM DESCRIPTION

Diagnosis sensor unit

Removal and Installation 1. Diagnosis sensor unit 2. Diagnosis sensor unit harness bracket Front REMOVAL WARNING: When replacing the air bag diagnosis sensor unit, always check with the parts ...

Component parts

Component Parts Location 1. Crash zone sensor 2. Front door satellite sensor LH 3. Spiral cable 4. Front passenger air bag off indicator 5. Front LH seatbelt pre-tensioner Side air bag satelli ...

Other materials:

Control cable
Exploded View 1. Bracket B 2. Lock plate 3. Transaxle assembly 4. Bracket A 5. Control cable 6. CVT shift selector assembly A: Manual lever B: Grommet Removal and Installation CAUTION: Always apply the parking brake before performing removal and installation. REMOVAL Remove the batt ...

System
System Diagram System Description BASIC OPERATION Power window system is activated by power window switch when ignition switch turns ON. Power window main switch opens/closes all door glass. Front and rear power window switch opens/closes the corresponding door glass. AUTO DOW ...

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