Nissan Sentra B18 (2020-2025) Service Manual: Removal and Installation
Warning:
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Before servicing the SRS, place the ignition switch in the OFF position, disconnect both battery terminals then wait at least three minutes.
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Always work from the side of the driver air bag module. Do not work in front of it.
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Do not use air tools or electric tools for servicing the driver air bag module.
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Always place the driver air bag module with the pad side facing upward.
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Do not cause impact to the driver air bag module by dropping, etc. Replace the driver air bag module if it has been dropped or sustained an impact.
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Do not allow oil, grease, detergent, or water to come in contact with the driver air bag module.
REMOVAL
Remove the steering wheel. Refer to Removal and Installation.
Remove the steering column upper cover and steering column lower cover. Refer to Removal and Installation.
Disconnect the harness connector from the spiral cable.
Remove the
screws (A) and remove the spiral cable.
CAUTION:
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Do not strike or impact the spiral cable.
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Replace the spiral cable if it has been dropped or sustained an impact.
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Do not disassemble the spiral cable.
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Do not apply lubricant to the spiral cable.
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Do not allow oil, grease, detergent, or water to come in contact with the spiral cable.
INSTALLATION
Installation is in the reverse order of removal.
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The turn signal lever must be in the neutral position for spiral cable installation.
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Set the spiral cable neutral position by carefully turning the spiral cable clockwise about 2 and a half turns stopping when the locating pin (A) is at the top most position, the triangles (B) are pointing at each other as shown and the clear window (C) appears yellow.
Note: 
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If a new part is installed, the neutral position is already set with a lock pin in place and should not be adjusted after the stopper clip is removed. Make sure the lock pin is removed after the steering column covers are installed but before the steering wheel is installed.
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Snap off lock pin (A) from the spiral cable (1) in the direction shown to remove lock pin.
Note:Spiral cable removed for clarity. 
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During steering wheel installation, make sure the spiral cable locating pin (A) is aligned with slot (B) on back of steering wheel.
CAUTION:
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The spiral cable may snap during steering operation if the spiral cable is installed in an improper position.
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Do not overturn the spiral cable or go beyond the maximum number of turns allowed. This will cause the spiral cable to snap.
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The turn signal lever must be in the neutral position for spiral cable installation.
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Do not apply lubricant to the spiral cable.
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Do not allow oil, grease, detergent or water to come in contact with the spiral cable.
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After installation is complete, check that no system malfunction is detected causing the air bag warning lamp to illuminate.
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If a malfunction is indicated by the air bag warning lamp after repair or replacement of the malfunctioning parts, perform the SRS final check. Refer to SRS Final Check.
Exploded View
Exploded View
1.
Steering column
2.
...
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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 wit ...
Receiving a call
When a call is placed to the connected phone,
the display will change to phone mode.
To accept the incoming call, either:
Press the button on
the steering
wheel, or
Touch the green phone icon on the screen.
To reject the incoming call, either:
Press the button on the
...
Diagnosis system (BCM)
Common item
Common item : consult function (bcm - common item)
Application item
Consult performs the following functions via can communication with bcm.
System application
Bcm can perform the following functions.
Intelligent key
Intelligent key : consult function (bcm - intelligent ke ...
