LIGHTING SYSTEM(for LED Headlight), Diagnostic DTC:U1000

DTC Code DTC Name
U1000 CAN Communication Failure (Message Registry)

DESCRIPTION

The No. 1 headlight ECU sub-assembly stores this DTC if it detects an internal malfunction related to the CAN communication system.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Note
U1000 CAN Communication Failure (Message Registry) CAN communication failure No. 1 headlight ECU sub-assembly LH No. 1 headlight ECU sub-assembly LH -

CAUTION / NOTICE / HINT

Note

If the No. 1 headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the No. 1 headlight ECU sub-assembly LH.

Click here

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs.

      Click here

    2. Turn the ignition switch to ON.

    3. Check for DTCs.

      Click here

      OK
      DTC U1000 is not output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

    REPLACE NO. 1 HEADLIGHT ECU SUB-ASSEMBLY LH Click here