Nissan Sentra Service Manual: Removal and installation
Bcm (body control module)
Removal and Installation
Note:
Before replacing bcm, perform “read configuration” to save or print current vehicle specification. Refer to bcs-116, "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-116, "configuration (bcm) : description"
- Be sure to perform the system initialization (nats) when replacing bcm. Refer to bcs-115, "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.
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:
- After the work is completed, make sure no system malfunction is detected by air bag warning lamp.
- In case a malfunction is detected by the air bag warning lamp, reset with the self-diagnosis function and delete the memory with consult.
- If a malfunction is still detected after the above operation,
perform self-diagnosis to repair malfunctions.
Refer to src-41, "additional service when replacing control unit : special repair requirement".
Symptom diagnosis
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 ...
Lan system
...
Other materials:
Rearview mirror (if so equipped)
The night position 1 reduces glare from the
headlights of vehicles behind you at night.
Use the day position 2 when driving in daylight
hours.
WARNINGUse the night position only when
necessary,
because it reduces rear view clarity.
...
U0155 Lost communication (IPC)
DTC Logic
DTC DETECTION LOGIC
DTC
CONSULT screen terms
[Trouble diagnosis content]
DTC detection condition
Possible causes
U0155
LOST COMM (IPC)
[Lost Communication With Instrument
Panel Cluster (IPC)
Control Module]
When the ignition switch is ON, TCM is ...
Battery
Exploded view
Battery frame
Battery rods
Battery cover
Battery bracket
Battery tray
Battery
Front
Removal and installation (battery)
Removal
Loosen the battery terminal nuts and disconnect both battery negative
and positive terminals.
Caution:
To prevent damage to t ...
