CAN COMMUNICATION SYSTEM, Diagnostic DTC:B1003

DTC Code DTC Name
B1003 ECU Malfunction

DESCRIPTION

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from
B1003 ECU Malfunction A malfunction in the non-volatile storage of the central gateway ECU (network gateway ECU) is detected. Central gateway ECU (network gateway ECU) Central gateway ECU (network gateway ECU)

PROCEDURE


  1. RECONFIRM DTC OUTPUT


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Central Gateway / Trouble Codes.


      Body Electrical > Central Gateway > Trouble Codes
      Result
      Result Proceed to
      DTC B1003 is not output from the central gateway ECU (network gateway ECU) A
      DTC B1003 is output from the central gateway ECU (network gateway ECU) B

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) Click here