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:

    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 ...

    Rear view camera
    Removal and Installation REMOVAL Remove the license plate finisher. Refer to EXL-166, "Removal and Installation". Remove trunk lid finisher. Refer to INT-36, "Exploded View". Disconnect the rear view camera connector (B), press the rear view camera tab (A) and remo ...

    System malfunction
    If the FEB system malfunctions, it will be turned off automatically, a chime will sound, the FEB warning light (orange) will illuminate and the warning message [Malfunction] will appear in the vehicle information display. Action to take If the warning light (orange) comes on, stop the vehicle ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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