Nissan Sentra Service Manual: Diagnosis system (bcm)

Nissan Sentra Service Manual / Electrical & power control / Body control system / With intelligent key system / 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	Description
Ecu identification	The bcm part number is displayed.
Self diagnostic result	The BCM self diagnostic results are displayed.
Data Monitor	The bcm input/output data is displayed in real time.
Active test	The bcm activates outputs to test components.
Work support	The settings for BCM functions can be changed.
Configuration	The vehicle specification can be read and saved. The vehicle specification can be written when replacing BCM.
Can diag support mntr	The result of transmit/receive diagnosis of can communication is displayed.

System application

BCM can perform the following functions.

Door lock

Door lock

Door lock : consult function (bcm - door lock)

Data monitor

Active test

WORK SUPPORT

*: Initial setting

Rear defogger

Rear defogger : consult function (bcm - rear defogger)

Data monitor

Active test

Active test

Buzzer

Buzzer

Buzzer : consult function (bcm - buzzer)

Data monitor

Active test

Active test

Int lamp

Int lamp

Int lamp : consult function (bcm - int lamp)

Data monitor

Active test

Active test

Work support

Work support

*: Initial setting

Headlamp

HEADLAMP : CONSULT Function (BCM - HEAD LAMP)

Data monitor

Active test

Active test

Work support

Work support

*: Initial setting

Wiper

Wiper : consult function (bcm - wiper)

Data monitor

Active test

Active test

Work support

Work support

* : Initial setting

Flasher

FLASHER : CONSULT Function (BCM - FLASHER)

Data monitor

Active test

Active test

Work support

Work support

* : Initial setting

Air conditioner

AIR CONDITIONER : CONSULT Function (BCM - AIR CONDITIONER)

Data monitor

Intelligent key

Intelligent key

INTELLIGENT KEY : CONSULT Function (BCM - INTELLIGENT KEY)

Self diagnostic result

Refer to BCS-49, "DTC Index".

Data monitor

Active test

Active test

Work support

Work support

*: Initial setting

Comb SW

Comb sw : consult function (bcm - comb sw)

Data monitor

BCM

BCM

BCM : CONSULT Function (BCM - BCM)

Ecu identification

The bcm part number is displayed.

Self diagnostic result

Refer to bcs-49, "dtc index".

Work support

Configuration

Configuration

Refer to bcs-61, "configuration (bcm) : description".

Can diag support mntr

Refer to LAN-13, "CAN Diagnostic Support Monitor".

Immu

IMMU : CONSULT Function (BCM - IMMU)

Self diagnostic result

Refer to BCS-49, "DTC Index".

Data monitor

Active test

Active test

Work support

Battery saver

BATTERY SAVER : CONSULT Function (BCM - BATTERY SAVER)

Data monitor

Active test

Active test

Work support

*: Initial setting

Trunk

Trunk : consult function (bcm - trunk)

Data monitor

Theft alm

Theft alm

Theft alm : consult function (bcm - theft)

Data monitor

Active test

Active test

Work support

Work support

*: Initial setting

Retained PWR

Retained pwr : consult function (bcm - retained pwr)

Data monitor

Signal buffer

Signal buffer

Signal buffer : consult function (bcm - signal buffer)

Data monitor

Air pressure monitor

Air pressure monitor

Air pressure monitor : consult function (bcm - air pressure monitor)

Note:

The signal tech ii tool (j-50190) can be used to perform the following functions. Refer to the signal tech ii user guide for additional information.

Activate and display TPMS transmitter IDs
Display tire pressure reported by the TPMS transmitter
Read tpms dtcs
Register tpms transmitter ids

Self diagnostic result

Note:

Before performing self diagnostic result, be sure to register the id, or else the actual malfunction may be different from that displayed on consult.

Refer to BCS-49, "DTC Index".

Data monitor

Active test

Active test

Work support

Work support

Ecu diagnosis information

System

Body control system Body control system : system description OUTLINE BCM (Body Control Module) controls the various electrical components. It inputs the information required to the control ...

Ecu diagnosis information

BCM Reference value Note: The signal tech ii tool (j-50190) can be used to perform the following functions. Refer to the signal tech ii user guide for additional information. Activate and di ...

Other materials:

Ecu diagnosis information
Ipdm e/r (intelligent power distribution module engine room) Reference Value Values on the diagnosis tool Terminal layout Physical values Fail-safe Can communication control When CAN communication with ECM and BCM is impossible, IPDM E/R performs fail-safe ...

Diagnosis and repair work flow
Work Flow OVERALL SEQUENCE DETAILED FLOW 1.COLLECT INFORMATION FROM THE CUSTOMER Get detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred) using the diagnostic worksheet. Refer to BRC-52, "Diagnostic Wor ...

Variable voltage control system
CAUTION Do not ground accessories directly to the battery terminal. Doing so will bypass the variable voltage control system and the vehicle battery may not charge completely. Use electrical accessories with the engine running to avoid discharging the vehicle battery. Your v ...