Nissan Sentra Service Manual: Removal and installation
BCM
Removal and installation
Note:
Before replacing BCM, perform “READ CONFIGURATION” to save or print
current vehicle specification. Refer
to BCS-61, "CONFIGURATION (BCM) : Description".
Removal
- Disconnect the negative battery terminal. Refer to pg-52, "removal and
installation".
- Remove instrument lower panel LH and instrument side finisher LH. Refer
to IP-21, "Removal and Installation".
- Remove fuse block (j/b) screws (a) and position (bcm) aside.

- Remove harness clip (a).

- Remove the screws (a) from the bcm (1).

- Disconnect the harness connectors and remove the bcm.
Installation
Installation is in the reverse order of removal.
Caution:
- Perform “configuration (bcm)” when replacing bcm. Refer to bcs-61,
"configuration (bcm)
: description"
- Be sure to perform the system initialization (nats) when replacing
bcm. Refer to bcs-60, "additional
service when replacing control unit (bcm) : work procedure".
- When replacing bcm, if new bcm does not come with keyfobs
attached, all existing keyfobs must be
re-registered. Refer to the consult immobilizer mode and follow the
on-screen instructions.
Combination switch
Exploded view

- Combination switch
- Combination switch harness connector
Front
Note:
Shown with the steering wheel removed for clarity only.
Removal and installation
Removal
Caution:
- Before servicing, turn the ignition switch off, disconnect both
battery terminals and wait at least
three minutes.
- Do not use air or electric tools when removing or installing the
combination switch.
- Disconnect both the negative and positive battery terminals, then wait
at least three minutes. Refer to pg-
50, "removal and installation (battery)".
- Remove the steering column covers. Refer to ip-16, "removal and
installation".
- Rotate steering wheel clockwise to access first combination switch bolt
and remove.
- Rotate steering wheel counter-clockwise to access second combination
switch bolt and remove.
- Disconnect the harness connector from the combination switch and remove.
Installation
Installation is in the reverse order of removal.
Caution:
Combination switch system symptoms
Symptom Table
Perform the data monitor of consult to check for any malfunctioning
item.
Check the malfunction combinations.
Identify the malfunct ...
Other materials:
Side window glass
Components
Side window glass
Spacer
Headlining
Rear body pillar
Rear pillar finisher
Rear door weatherstrip
Primer area
Adhesive
7 mm (0.3 in)
12 mm (0.5 in)
Removal and Installation
REMOVAL
Remove the rear pillar finisher. Refer to INT-29, "REAR PILLAR FIN ...
Squeak and rattle trouble diagnoses
Work Flow
Customer interview
Interview the customer if possible, to determine the conditions that exist
when the noise occurs. Use the diagnostic
worksheet during the interview to document the facts and conditions when the
noise occurs and any
customer's comments; refer to rf-37, "d ...
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 injur ...
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