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Nissan Versa
 Sedan Service Manual
Electrical & power control » LAN System (LAN)
System

CAN COMMUNICATION SYSTEM

CAN COMMUNICATION SYSTEM : System Description

CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle multiplex communication line with high data communication speed and excellent error detection ability. Many electronic control units are equipped onto a vehicle, and each control unit shares information and links with other control units during operation (not independent). In CAN communication, control units are connected with 2 communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less wiring.

Each control unit transmits/receives data but selectively reads required data only.

DIAG ON CAN

DIAG ON CAN : System Description

SYSTEM DIAGRAM

SYSTEM DIAGRAM

SYSTEM DIAGRAM

DESCRIPTION

"Diag on CAN" is a diagnosis method which uses the CAN communication line for the communication between the control unit and the diagnostic tool.

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    CAN Communication system

    Main line between IPDM-E and DLC circuit

    ECM Branch line circuit

    ABS Branch line circuit

    IPDM-E Branch line circuit

    TCM Branch line circuit

    A-BAG Branch line circuit

    AV Branch line circuit

    DLC Branch line circuit

    EPS Branch line circuit

    M&A Branch line circuit

    STRG Branch line circuit

    BCM Branch line circuit

    CAN Communication circuit

    Main line between IPDM-E and DLC circuit

    ECM Branch line circuit

    ABS Branch line circuit

    IPDM-E Branch line circuit

    A-BAG Branch line circuit

    DLC Branch line circuit

    EPS Branch line circuit

    M&A Branch line circuit

    STRG Branch line circuit

    BCM Branch line circuit

    CAN Communication circuit

    Main line between IPDM-E and DLC circuit

    ECM Branch line circuit

    ABS Branch line circuit

    IPDM-E Branch line circuit

    TCM Branch line circuit

    A-BAG Branch line circuit

    DLC Branch line circuit

    EPS Branch line circuit

    M&A Branch line circuit

    STRG Branch line circuit

    BCM Branch line circuit

    CAN Communication circuit

    Main line between IPDM-E and DLC circuit

    ECM Branch line circuit

    ABS Branch line circuit 

    IPDM-E Branch line circuit 

    TCM Branch line circuit 

    A-BAG Branch line circuit

    DLC Branch line circuit 

    EPS Branch line circuit 

    M&A Branch line circuit

    STRG Branch line circuit

    BCM Branch line circuit

    CAN Communication circuit

    Main line between IPDM-E and DLC circuit

    ECM Branch line circuit

    ABS Branch line circuit

    IPDM-E Branch line circuit

    TCM Branch line circuit

    A-BAG Branch line circuit

    AV Branch line circuit

    DLC Branch line circuit

    EPS Branch line circuit

    M&A Branch line circuit

    STRG Branch line circuit

    BCM Branch line circuit

    CAN Communication circuit

    Nissan Versa Sedan Service Manual / Electrical & power control / LAN System (LAN) / System

    Nissan Versa Sedan Service Manual

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