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:
Combination meter
Reference Value
VALUES ON THE DIAGNOSIS TOOL
NOTE:
The following table includes information (items) inapplicable to this
vehicle. For information (items) applicable
to this vehicle, refer to CONSULT display items.
Note:
Some items are not available according to vehicle specificat ...
Regulatory Information
FCC Regulatory information
CAUTION: To maintain compliance with
FCC’s RF exposure guidelines, use only the
supplied antenna. Unauthorized antenna,
modification, or attachments could damage
the transmitter and may violate FCC regulations.
Operation is subject to the following two cond ...
B0020 Side airbag module LH
Description
DTC B0020 FRONT LH SIDE AIR BAG MODULE
The front LH side air bag module is wired to the air bag diagnosis sensor
unit. The air bag diagnosis sensor
unit will monitor for opens and shorts in detected lines to the front LH side
air bag module.
PART LOCATION
Refer to SRC-5, " ...
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