Nissan Maxima Service and Repair Manual: Body control system

System Description

OUTLINE

  • ECU DIAGNOSIS INFORMATION controls the various electrical components. It inputs the information required to the control from CAN communication and the signal received from each switch and sensor.
  • BCM has combination switch reading function for reading the operation status of combination switches (light, turn signal, wiper and washer) in addition to a function for controlling the operation of various electrical components.

    It also has the signal transmission function as the passed point of signal and the power saving control function that reduces the power consumption with the ignition switch OFF.

  • BCM is equipped with the diagnosis function that performs the diagnosis with CONSULT and various settings.

CAN communication control

In CAN communication, control units are connected with 2 communication lines (CAN-L, CAN-H) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives the data but selectively reads required information only.

CAN communication signal

BCM control function list

Nissan Maxima. BCM control function list

Nissan Maxima. BCM control function list

Component Parts Location

Nissan Maxima. Component Parts Location

  1. BCM M16, M17, M18, M19, M20, M21 (view with instrument panel removed)
    System description
    ...

    Combination switch reading system
    System Diagram System Description OUTLINE BCM reads the status of the combination switch (light, turn signal, wiper and washer) and recognizes the status of each switch. BCM has a co ...

    Other materials:

    VDC off switch
    Description VDC OFF switch deactivates (turn OFF) the VDC/TCS function when the VDC OFF switch is pressed. Component Function Check 1.CHECK VDC OFF SWITCH OPERATION Operate the VDC OFF switch and check that the VDC OFF indicator lamp in the combination meter turns on/ off correctly. D ...

    How to enable/disable the RCTA system
    Perform the following steps to enable or disable the RCTA system. 1. Press the  button until "Settings" displays in the vehicle information display and then press OK. Use the button to select "Driver Assistance". Then press the OK button. 2. Select "Blind Spot" and press the OK ...

    How to set srt code
    Description OUTLINE In order to set all SRTs, the self-diagnoses as in the "SRT ITEM" table must have been performed at least once. Each diagnosis may require actual driving for a long period of time under various conditions. SRT ITEM The table below shows required self-diagnostic items to ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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