RM3660EC _57 Power Source / Network _080743 NETWORKING _0598517 CAN COMMUNICATION SYSTEM(for Gasoline Model (NR Series)) C

NETWORKING  CAN COMMUNICATION SYSTEM(for Gasoline Model (NR Series))  B1003  ECU Malfunction  


DESCRIPTION

DTC No. Detection Item DTC Detection Condition Trouble Area Note
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) -

PROCEDURE

1.RECONFIRM DTC OUTPUT
a.

Connect the GTS to the DLC3.


b.

Turn the ignition switch to ON.


c.

Turn the GTS on.


d.

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

Body Electrical > Central Gateway > Trouble Codes
50001 382

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 hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING


B

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)

Click herePower Source / Network>NETWORKING>NETWORK GATEWAY ECU>REMOVAL