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:

    Starting the vehicle
    1. After starting the engine, fully depress the foot brake pedal before moving the shift lever out of the P (Park) position. 2. Keep the foot brake pedal depressed and move the shift lever into a driving gear. 3. Release the parking brake and the foot brake pedal, then gradually start the ...

    Steering column covers
    Removal and Installation MANUAL TILT Removal Remove the steering column cover screw finishers (1) and then remove the screws. Remove the steering column upper cover (2). Remove the steering column lower cover screw and then remove the steering column lower cover (3). Installatio ...

    Clip list
    Descriptions for Clips Replace any clips which are damaged during removal or installation. ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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