Dtc B1003 Ecu Malfunction

Power Source Network. Land Cruiser. Urj200, 202 Grj200 Vdj200
Networking. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

INSPECTION PROCEDURE

CHECK DTC

DTC B1003 ECU Malfunction


DESCRIPTION


DTC Code
DTC Detection Condition
Trouble Area
B1003
The central gateway ECU detects an internal malfunction.
Central gateway ECU

INSPECTION PROCEDURE

1.CHECK DTC
  1. Clear the DTCs (Click here).

  1. Recheck for DTCs and check that no DTCs are output (Click here).

    OK:
    DTC B1003 is not output.


NG
REPLACE CENTRAL GATEWAY ECU (Click here)
OK

USE SIMULATION METHOD TO CHECK (Click here)