Nissan Maxima Service and Repair Manual: Precaution

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.

Precautions For Xenon Headlamp Service

WARNING:

  • Comply with the following warnings to prevent any serious accident.
  • - Disconnect the battery cable (negative terminal) or the power supply fuse before installing, removing, or touching the xenon headlamp (bulb included). The xenon headlamp contains high-voltage generated parts.
  • - Do not work with wet hands.
  • - Check the xenon headlamp ON-OFF status after assembling it to the vehicle. Do not turn the xenon headlamp ON in other conditions. Connect the power supply to the vehicle-side connector.

    (Turning it ON outside the lamp case may cause fire or visual impairments.)

  • Do not touch the bulb glass immediately after turning it OFF. It is extremely hot.

CAUTION: Comply with the following cautions to prevent any error and malfunction.

  • Install the xenon bulb securely. (Insufficient bulb socket installation may melt the bulb, the connector, the housing, etc, by high-voltage leakage or corona discharge.)
  • Do not perform HID circuit inspection with a tester.
  • Do not touch the xenon bulb glass with hands. Do not put oil and grease on it.
  • Dispose of the used xenon bulb after packing it in thick vinyl without breaking it.
  • Do not wipe out dirt and contamination with organic solvent (thinner, gasoline, etc.).

General precautions for service operations

  • Turn the lighting switch OFF before disconnecting and connecting the connector.
  • When checking the headlamp on/off operation, check it on vehicle and with the power connected to the vehicle- side connector.
  • Leaving the bulb removed from the headlamp housing for a long period of time can deteriorate the performance of the lens and reflector (dirt, clouding). Always prepare a new bulb and have it on hand when replacing the bulb.
  • When adjusting the headlamp aiming, turn the aiming adjustment screw only in the tightening direction. (If it is necessary to loosen the screw, first fully loosen the screw, and then turn it in the tightening direction.)

Precaution for Work

  • When removing or disassembling each component, be careful not to damage or deform it. If a component may be subject to interference, be sure to protect it with a shop cloth.
  • When removing (disengaging) components with a screwdriver or similar tool, be sure to wrap the component with a shop cloth or vinyl tape to protect it.
  • Protect the removed parts with a shop cloth and prevent them from being dropped.
  • Replace a deformed or damaged clip.
  • If a part is specified as a non-reusable part, always replace it with a new one.
  • Be sure to tighten bolts and nuts securely to the specified torque.
  • After installation is complete, be sure to check that each part works properly.
  • Follow the steps below to clean components:

- Water soluble dirt:

  • Dip a soft cloth into lukewarm water, wring the water out of the cloth and wipe the dirty area.
  • Then rub with a soft, dry cloth.

- Oily dirt:

  • Dip a soft cloth into lukewarm water with mild detergent (concentration: within 2 to 3%) and wipe the dirty area.
  • Then dip a cloth into fresh water, wring the water out of the cloth and wipe the detergent off.
  • Then rub with a soft, dry cloth.

- Do not use organic solvent such as thinner, benzene, alcohol or gasoline.

 For genuine leather seats, use a genuine leather seat cleaner

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