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:
Accelerator pedal released position
learning
Description
Accelerator Pedal Released Position Learning is a function of ECM to learn
the fully released position of the
accelerator pedal by monitoring the accelerator pedal position sensor output
signal. It must be performed each
time harness connector of accelerator pedal position sensor ...
Unbalance steering wheel turning force and return between right
and left
Description
Unbalance steering wheel turning force and return between right
and left.
Diagnosis Procedure
1.CHECK THE ILLUMINATION OF THE EPS WARNING LAMP
Check the EPS warning lamp while engine is running.
Does the EPS warning lamp turn OFF?
YES >> GO TO 2.
NO >> Refer to S ...
Basic inspection
Diagnosis and repair work flow
Work flow
OVERALL SEQUENCE
DETAILED FLOW
1.INTERVIEW FOR MALFUNCTION
Find out what the customer's concerns are.
>> GO TO 2
2.SYMPTOM CHECK
Verify the symptom from the customer's information.
>> GO TO 3
3.BASIC INSPECTION
Check the operation ...
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