Nissan Maxima Service and Repair Manual: Precaution

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.

Service Notice or Precautions

  • In case of removing steering gear assembly, make the final tightening with grounded and unloaded vehicle condition, and then check wheel alignment.
  • Observe the following precautions when disassembling.
  • Before disassembly, thoroughly clean the outside of the unit.
  • Disassembly should be done in a clean work area. It is important to prevent the internal parts from becoming contaminated by dirt or other foreign matter.
  • For easier and proper assembly, place disassembled parts in order on a parts rack.
  • Use nylon cloth or paper towels to clean the parts; common shop rags can leave lint that might interfere with their operation.
  • Do not reuse non-reusable parts.
  • Before assembling, apply the specified grease to the directed parts.
    Symptom diagnosis
    NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING NVH Troubleshooting Chart Use chart below to help you find the cause of the symptom. If necessary, repair or replace these parts. ×: ...

    Preparation
    Special Service Tool The actual shapes of the tools may differ from those illustrated here. Commercial Service Tool ...

    Other materials:

    B2618 BCM
    Description BCM controls the various electrical components and simultaneously supplies power according to the power supply position. BCM checks the power supply position internally. DTC Logic DTC DETECTION LOGIC NOTE: If DTC B2618 is displayed with DTC U1000, first perform the trou ...

    B2630, B2631 sunload sensor
    Description COMPONENT DESCRIPTION Sunload Sensor The sunload sensor (1) is located on the driver side defroster grille. It detects sunload entering through windshield by means of a photo diode. The sensor converts the sunload into a current value, which is then input into the A/C auto ...

    Precaution
    Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELTPRE-TENSIONER" The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used alongwith a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for c ...

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