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:

    DLC branch line circuit
    Diagnosis Procedure 1.CHECK CONNECTOR Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the data link connector for damage, bend and loose connection (connector side and harness side). 2.CHECK HARNESS FOR OP ...

    Precaution
    Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELTPRE-TENSIONER" The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used alongwith a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for c ...

    Steering column
    Disassembly and Assembly The steering column assembly without electric motor is not serviceable and must be replaced as an assembly. With Electric Motor Steering column assembly Telescope motor Telescope motor link bracket Tilt motor Tilt motor bolt cap DISASSEMBLY Remo ...

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    Nissan Maxima Service and Repair Manual

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