Nissan Sentra B18 (2020-2025) Service Manual: Starting System :: Precaution. Precautions
Precautions. Precaution for Supplemental Restraint System (srs) "air Bag" and "seat Belt Pre-Tensioner"
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 collisions.
Information necessary to service the system safely is included in the “SRS AIR BAG” and “SEAT BELT” sections of this Service Manual.
Warning:
Always observe the following items for preventing accidental activation:
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To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in the event of a collision that would result in air bag inflation, it is recommended that all maintenance and repair be performed by an authorized NISSAN/INFINITI dealer.
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Improper repair, 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 “SRS AIR BAG”.
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Never 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:
Always observe the following items for preventing accidental activation:
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When working near the Air Bag Diagnosis Sensor Unit or other Air Bag System sensors with the ignition/power switch ON or engine running, never 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.
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When using air or electric power tools or hammers, always switch the ignition/power switch OFF, disconnect the 12V battery or batteries, and wait at least 3 minutes before performing any service.
Precautions When Battery Is Discharged
Precautions When Battery Is Discharged
When battery is discharged, disconnect the negative terminal of the battery and wait for 1 minute before connecting jumper cables to restart the engine. (This is necessary for resetting information in ECM)
Other materials:
Chime Does Not Sound
Diagnosis Procedure
Diagnosis Procedure
The warning chime may not sound in some cases when there is a
short distance between vehicles. Some examples are:
When the Nissan Sentra vehicles are traveling at the same speed and the
distance between vehicles is not changing.
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Periodic Maintenance. Headlamp
Headlamp
Aiming Adjustment
Aiming Adjustment
PREPARATION BEFORE ADJUSTING
Before performing aiming adjustment, check the
following:
Ensure all tires are inflated to correct
pressure.
Place Nissan Sentra vehicle and screen on level surface.
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Engine Does Not Start When Intelligent Key Is Inside of Vehicle (one Key)
Diagnosis Procedure
Diagnosis Procedure
DESCRIPTION
Engine does not start when push-button ignition
switch is pressed. (One Intelligent Key has the symptom, other keys
operate normally.)
SYMPTOM TABLE (ONE INTELLIGENT KEY HAS THE
SYMPTOM, OTHER KEYS OPERATE NORMALLY)
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