Nissan Sentra manuals

Nissan Sentra Service Manual: System description

Component parts

Body control system

BODY CONTROL SYSTEM : Component Parts Location


  1. Bcm (view with instrument panel removed)

Combination switch reading system

COMBINATION SWITCH READING SYSTEM : Component Parts Location


  1. BCM (view with combination meter removed)
  2. Combination switch (lighting and turn signal) (with fog lamps)
  3. Combination switch (lighting and turn signal) (without fog lamps)
  4. Combination switch (wiper and washer)

Power consumption control system

Power consumption control system : component parts location


  1. Ipdm e/r
  2. Bcm (view with instrument panel removed)
  3. Combination meter

System

Body control system

Body control system : system description

Outline

Bcm function list

Combination switch reading system


Combination switch reading system

COMBINATION SWITCH READING SYSTEM : System Diagram

COMBINATION SWITCH READING SYSTEM : System Description


COMBINATION SWITCH READING SYSTEM : System Description

OUTLINE

COMBINATION SWITCH MATRIX

Combination switch circuit
Combination switch circuit

Combination switch INPUT-OUTPUT system list


COMBINATION SWITCH READING FUNCTION


COMBINATION SWITCH READING FUNCTION

Description

NOTE:


NOTE:

BCM reads the status of the combination switch at 60 ms intervals when BCM is controlled at low power consumption control mode.

BCM operates as follows and judges the status of the combination switch.

Operation Example


Operation Example

In the following operation example, the combination of the status signals of the combination switch is replaced as follows: INPUT 1 - 5 to “1 - 5” and OUTPUT 1 - 5 to “A - E”.

Example 1: When a switch (TAIL LAMP) is turned ON


Example 2: When some switches (TURN RH, TAIL LAMP) are turned ON


Signal buffer

Signal buffer : system diagram

Signal buffer : system description


Signal buffer : system description

OUTLINE

BCM has the signal transmission function that outputs/transmits each input/received signal to each unit.

SIGNAL TRANSMISSION FUNCTION LIST

Power consumption control system


Power consumption control system

Power consumption control system : system diagram

Power consumption control system : system description


Power consumption control system : system description

OUTLINE

Normal mode (wake-up)

CAN communication sleep mode (CAN sleep)

Low power consumption mode (BCM sleep)

LOW POWER CONSUMPTION CONTROL WITH BCM

BCM reduces the power consumption with the following operation in the low power consumption mode.

Sleep mode activation

Sleep condition

CAN sleep condition

BCM sleep condition

  • Receiving the sleep-ready signal (ready) from all units
  • Ignition switch: OFF
  • Panic alarm: No operation
  • Warning chime: No operation
  • Stop lamp switch: OFF
  • Turn signal indicator lamp: No operation
  • Exterior lamp: OFF
  • Door lock status: No change
  • CONSULT communication status: No communication
  • Door switch status: No change
  • Rear window defogger: OFF
  • Driver door lock status: No change
  • Key switch status: No change
  • Interior room lamp battery saver: Time out
  • RAP system: OFF
  • Nissan Vehicle Immobilizer System (NVIS) - NATS: No operation
  • Remote keyless entry receiver communication status: No communication

Wake-up operation

Wake-up condition

Diagnosis system (bcm)


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- ...

Diagnosis system (bcm)
Common item Common item : consult function (bcm - common item) APPLICATION ITEM CONSULT performs the following functions via CAN communication with BCM. Direct Diagnostic Mode Descriptio ...

Other materials:

Front suspension assembly
Inspection COMPONENT PART Check the mounting conditions (looseness, backlash) of each component. Verify the component conditions (wear, damage) are normal. Ball Joint Axial End Play Set the front wheels in a straight-ahead position. Hold the axle side of the transverse link, and check th ...

Engine oil and oil filter recommendations
Selecting the correct oil It is essential to choose the correct grade, quality and viscosity engine oil to ensure satisfactory engine life and performance. See “Recommended fluids/lubricants and capacities” in this section. NISSAN recommends the use of an energy conserving oil in order ...

Before starting the engine
Make sure the area around the vehicle is clear. Check fluid levels such as engine oil, coolant, brake and clutch fluid(if so equipped), and windshield-washer fluid as frequently as possible, or at least whenever you refuel. Check that all windows and lights are clean. Visually inspe ...

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