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:
Precaution for work
When removing or disassembling each component, be careful not to damage
or deform it. If a component
may be subject to interference, be sure to protect it with a shop cloth.
When removing (disengaging) components with a screwdriver or similar
tool, be sure to wrap the component
with a ...
P117A AIR Fuel ratio
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P117A is displayed with other DTC, first perform the trouble
diagnosis for the other DTC. Refer
to EC-94, "DTC Index".
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
...
Vanity mirror lamp
Removal and installation
Caution:
Do not attempt to separate the vanity mirror lamp from the sun visor or
damage to the components
may occur.
Note:
The vanity mirror lamp is replaced as part of the sun visor. Refer to
int-40, "removal and installation".
Bulb or lens replacement
...
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