Nissan Sentra manuals

Nissan Sentra Service Manual: Diagnosis system (BCM) (with intelligent key system)

Nissan Sentra Service Manual / Suspension / Road wheels & Tires / System description / Diagnosis system (BCM) (with intelligent key system)

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.

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

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

Monitor Item [Unit]

Description

AIR PRESS FL [kPa, kg/cm2 or Psi] Indicates air pressure of front LH tire.
AIR PRESS FR [kPa, kg/cm2 or Psi] Indicates air pressure of front RH tire.
AIR PRESS RR [kPa, kg/cm2 or Psi] Indicates air pressure of rear RH tire.
AIR PRESS RL [kPa, kg/cm2 or Psi] Indicates air pressure of rear LH tire.
ID REGST FL1 [Done/Yet] Indicates ID registration status of front LH transmitter.
ID REGST FR1 [Done/Yet] Indicates ID registration status of front RH transmitter.
ID REGST RR1 [Done/Yet] Indicates ID registration status of rear RH transmitter.
ID REGST RL1 [Done/Yet] Indicates ID registration status of rear LH transmitter.
WARNING LAMP [Off/On] Indicates condition of low tire pressure warning lamp in combination meter.
BUZZER [Off/On] Indicates condition of buzzer in combination meter.

ACTIVE TEST

Test Item

Description

HORN This test is able to check horn operation [On].
FLASHER This test is able to check turn signal lamp operation [Off/LH/RH].
ID REGIST WARNING This test is able to check ID registration warning chime operation [On/Off].
WARNING LAMP This test is able to check tire pressure warning lamp operation [On/Off].

WORK SUPPORT

Support Item

Description

ID READ The registered ID number is displayed.
ID REGIST Refer to WT-22, "Description".
System
Tire pressure monitoring system TIRE PRESSURE MONITORING SYSTEM : System Diagram TIRE PRESSURE MONITORING SYSTEM : System Description The BCM has pressure judgment and trouble diagnosis fun ...

Diagnosis system (BCM) (without intelligent key system)
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:

Main power window and door lock/ unlock switch
Removal and Installation REMOVAL Release the pawls using a suitable tool and lift the main power window and door lock/unlock switch and finisher as an assembly and remove. Disconnect the harness connector from the main power window and door lock/unlock switch. Release the four pawls ...

Structure and operation
Positive Crankcase Ventilation This system returns blow-by gas to the intake manifold. The positive crankcase ventilation (PCV) valve is provided to conduct crankcase blow-by gas to the intake manifold. During partial throttle operation of the engine, the intake manifold sucks the bl ...

Fuel level sensor signal circuit
Description The fuel level sensor unit and fuel pump detects the approximate fuel level in the fuel tank and transmits the fuel level signal to the combination meter. Component function check 1.Combination meter input signal Select meter/m&a on consult. Using FUEL METER of DATA MONI ...

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