Nissan Sentra Service Manual: Front seat belt
Exploded View

- D-ring anchor
- Seat belt height adjuster cover
- Seat belt buckle
- Seat belt retractor
- Seat belt height adjuster
- Lap belt pre-tensioner harness
connector
- Shoulder belt pre-tensioner
harness connector
Front
NOTE:
LH side shown; RH side similar.
Removal and Installation
SEAT BELT RETRACTOR
Removal
CAUTION:
Before servicing the SRS, turn the ignition switch off, disconnect both
battery terminals and wait at
least three minutes.
- Disconnect both the negative and positive battery terminals, then wait
at least three minutes. Refer to PG-
50, "Removal and Installation (Battery)".
- Slide the front seat to the full forward position.
- Remove the center pillar lower finisher. Refer to INT-27, "CENTER PILLAR
LOWER FINISHER : Removal
and Installation".
- Release the floor trim hold downs (1) and pull floor trim back.
(B): Lap belt pre-tensioner anchor bolt
- Disconnect the harness connector (A) from the lap belt pre-tensioner.

CAUTION:
- For removing/installing the lap belt pre-tensioner harness
connector, insert a thin screwdriver wrapped in tape into the
notch, then lift the lock and remove the harness connector as
shown.
- Install the harness connector with the lock raised, and push
the lock into the harness connector as shown.
- After installing the harness connector, check that the lock is
pushed in securely.

- Remove the lap belt pre-tensioner anchor bolt.
- Remove the seat belt height adjuster cover, then remove D-ring anchor
bolt.
- Disconnect the harness connector from the shoulder belt pre-tensioner
CAUTION:
- For removing/installing the shoulder belt pre-tensioner
harness connector, insert a thin screwdriver wrapped in
tape into the notch, then lift the lock and remove the harness
connector as shown.
- Install the harness connector with the lock raised, and
push the lock into the harness connector as shown.
- After installing the harness connector, check that the lock
is pushed in securely.

- Remove the seat belt retractor anchor bolt and upper bolt, then remove
the seat belt retractor.
Installation
Installation is in the reverse order of removal.
- Install the seat belt retractor upper bolt first.
- Make sure the seat belt height adjuster is locked in the lowest position
during installation.
- Tighten the seat belt retractor bolts to specification. Refer to SB-8,
"Exploded View".
- Make sure both the D-ring anchor and seat belt height adjuster operate
freely.
- Always perform an inspection after repair to be sure the system is
functioning within specifications. Refer to
SB-5, "Inspection".
SEAT BELT HEIGHT ADJUSTER
Removal
- Remove the center pillar upper finisher. Refer to INT-28, "CENTER PILLAR
UPPER FINISHER : Removal
and Installation".
- Remove the D-ring anchor bolt.
- Remove the seat belt height adjuster bolts and the seat belt height
adjuster.
Installation
Installation is in the reverse order of removal.
- Make sure that the seat belt height adjuster is locked in the lowest
position during installation.
- Make sure both the D-ring anchor and seat belt height adjuster operate
freely.
- Tighten the D-ring anchor bolt and seat belt height adjuster bolts to
specification. Refer to SB-8, "Exploded
View".
SEAT BELT BUCKLE
Removal
- Remove the front seat assembly. Refer to SE-18, "DRIVER SIDE : Removal
and Installation - Seat
Assembly" (front seat driver side) or SE-20, "PASSENGER SIDE : Removal and
Installation - Seat
Assembly" (front seat passenger side).
- Disconnect the harness connector from the seat belt buckle.
- Remove the seat belt buckle anchor bolt and the seat belt buckle.
Installation
Installation is in the reverse order of removal.
- During installation, make sure the seat belt buckle anchor bolt (A)
is inserted through the components in the following order:


- Tighten the seat belt buckle anchor bolt to specification. Refer to
SB-8, "Exploded View".
Exploded View - Seat Belt Retractor
Seat belt retractor (RH)
Seat belt retractor (center)
Seat belt retractor (LH)
Front
Removal and Installation - Seat Belt Retractor
REMOVAL
R ...
Other materials:
Key interlock cable
Exploded View
Shift selector assembly
Clip
Key interlock cable
Clip
Key cylinder
Removal and Installation
REMOVAL
CAUTION:
Always apply the parking brake before performing removal and
installation.
Remove the steering column cover, and the instrument lower panel LH.
R ...
Diagnosis system (ipdm e/r) (with intelligent key system)
Diagnosis description
Auto active test
Description
In auto active test, the IPDM E/R sends a drive signal to the following
systems to check their operation.
Front wiper (lo, hi)
Parking lamp
License plate lamp
Tail lamp
Front fog lamp (if equipped)
Headlamp (LO, HI)
A/C compress ...
Parking brake switch signal circuit
Component function check
1.Check parking brake switch operation
Check that brake warning lamp in combination meter turns on/off when parking
brake is actuated.
Is the inspection result normal?
Yes >> inspection end.
No >> proceed to diagnosis procedure. Refer to mwi-60, " ...
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