Nissan Maxima Service and Repair Manual: Signal buffer system

System Diagram

Nissan Maxima. System Diagram

System Description

OUTLINE

BCM has the signal transmission function that outputs/transmits each input/received signal to each unit.

Signal transmission function list

Signal name

Input

Output

Description

  • Ignition switch ON signal
  • Ignition switch signal
Engine switch (push switch) IPDM E/R (CAN) Inputs the push-button ignition switch (push switch) signal and transmits the ignition switch status judged with BCM via CAN communication
Door switch signal Any door switch
  • Combination meter (CAN)
  • IPDM E/R (CAN)
Inputs the door switch signal and transmits it via CAN communication
Trunk switch signal Trunk room lamp switch Combination meter (CAN) Inputs the trunk room lamp switch signal and transmits the trunk switch signal via CAN communication
Oil pressure switch signal IPDM E/R (CAN) Combination meter (CAN) Transmits the received oil pressure switch signal via CAN communication
    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 ...

    Power consumption control system
    System Diagram System Description OUTLINE BCM incorporates a power saving control function that reduces the power consumption according to the vehicle status. BCM switches the status ...

    Other materials:

    B2193 chain of ECM-IMMU
    Description BCM performs the ID verification with ECM that allows the engine to start. Start the engine if the ID is OK. ECM prevents the engine from starting if the ID is not registered. BCM starts the communication with ECM if ignition switch is turned ON. DTC Logic DTC DETECTION LOGIC ...

    Front grille
    Removal and Installation Core support cover Front grille Pawl REMOVAL Remove the core support cover clips, then remove core support cover. Release the front air guide clips, then remove front air guide. Release the front grille pawls from behind and push outward, then r ...

    Terms
    It is important to familiarize yourself with the following terms before loading your vehicle: Curb Weight (actual weight of your vehicle) - vehicle weight including: standard and optional equipment, fluids, emergency tools, and spare tire assembly. This weight does not include passen ...

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