Nissan Altima 2007-2012 Service Manual: Signal buffer system

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

    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 is a c ...

    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 stat ...

    Other materials:

    Transmission control module
    Exploded View 1. TCM 2. Bracket 3. Battery Removal and Installation REMOVAL 1. Disconnect the battery negative terminal. 2. Remove the fresh air intake tube (upper). 3. Disconnect the TCM harness connector. 4. Remove the TCM (1) from the bracket (2). • Battery (3) INSTALL ...

    On board diagnostic (OBD) system
    Diagnosis Description INTRODUCTION The ECM has an on board diagnostic system, which detects malfunctions related to engine sensors or actuators. The ECM also records various emission-related diagnostic information including: The above information can be checked using procedures listed in ...

    ASCD Brake switch
    Description When the brake pedal is depressed, ASCD brake switch is turned OFF and stop lamp switch is turned ON. ECM detects the state of the brake pedal by those two types of input (ON/OFF signal). Refer to EC-1090, "System Diagram" for the ASCD function. Component Function C ...