Nissan Sentra Service Manual: Diagnosis system (bcm)

Nissan Sentra Service Manual / Electrical & power control / Body control system / Without 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

ACTIVE TEST

WORK SUPPORT

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

Multi remote ENT

MULTI REMOTE ENT : CONSULT Function (BCM - MULTI REMOTE ENT)

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

Air conditioner

Air conditioner

Air conditioner : consult function (bcm - air conditioner)

Data monitor

Comb SW

Comb SW

Comb SW: consult function (bcm - combSW)

Data monitor

BCM

BCM

Bcm : consult function (bcm - bcm)

Ecu identification

The bcm part number is displayed.

Self diagnostic result

Refer to bcs-109, "dtc index".

Work support

Configuration

Configuration

Refer to bcs-116, "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-109, "DTC Index".

Active test

Work support

Work support

Battery saver

Battery saver

Battery saver : consult function (bcm - battery saver)

DATA MONITOR

ACTIVE TEST

ACTIVE TEST

WORK SUPPORT

WORK SUPPORT

* : Initial setting

Trunk

Trunk : consult function (bcm - trunk)

DATA MONITOR

Retained PWR

Retained PWR

RETAINED PWR : CONSULT Function (BCM - RETAINED PWR)

DATA MONITOR

WORK SUPPORT

WORK SUPPORT

*: Initial setting

Signal buffer

Signal buffer : consult function (bcm - signal buffer)

DATA MONITOR

Monitor Item [Unit]	Description
BRAKE SW [On/Off]	Indicates condition of stop lamp switch signal received from ABS actuator and electric unit (control unit) on CAN communication line.

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-109, "DTC Index".

DATA MONITOR

ACTIVE TEST

ACTIVE TEST

WORK SUPPORT

WORK SUPPORT

Panic alarm

Panic alarm

Panic alarm : consult function (bcm - panic alarm)

ACTIVE TEST

Ecu diagnosis information

System description

Component parts Body control system BODY CONTROL SYSTEM : Component Parts Location Bcm (view with instrument panel removed) Combination switch reading system COMBINATION SWITCH READING S ...

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 d ...

Other materials:

Eps branch line circuit
Diagnosis procedure 1.Check connector Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the eps control unit for damage, bend and loose connection (unit side and connector side). Is the inspection result norm ...

Excessive abs function operation frequency
Diagnosis Procedure 1.CHECK START Check front and rear brake force distribution using a brake tester. Is the inspection result normal? YES >> GO TO 2 NO >> Check brake system. 2.CHECK FRONT AND REAR AXLE Make sure that there is no excessive play in the front and rear axles. ...

Basic inspection
Diagnosis and repair workflow Work flow Overall sequence Detailed flow 1.Get information for symptom Get detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred). >> Go to 2 2.Confirm the symptom Try to ...