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:

    P0778 pressure control solenoid B
    Description The secondary pressure solenoid valve regulates the oil pump discharge pressure to suit the driving condition in response to a signal sent from the TCM. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE CAUTION: Always drive vehicle at a safe speed. NOTE: Immediate ...

    TCM branch line circuit
    Diagnosis Procedure 1.CHECK CONNECTOR Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the following terminals and connectors for damage, bend and loose connection (unit side and connector side). TCM Harness connector F1 Harness con ...

    Removal and installation
    COMPRESSOR Removal and Installation for Compressor REMOVAL CAUTION: Before servicing, turn the ignition switch off, disconnect both battery terminals and wait at least three minutes. Disconnect the battery negative and positive terminals. Refer to PG-67, "Removal and Installation ( ...

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