LIGHTING SYSTEM(w/ Automatic Headlight Beam Level Control System), Diagnostic DTC:U1000

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

DESCRIPTION

The headlight ECU sub-assembly LH or headlight ECU sub-assembly RH stores this DTC if it detects an internal malfunction related to the CAN communication system.

HL AutoLeveling
DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from
U1000 CAN Communication Failure (Message Registry)

    Detection condition:

  • The ignition switch is ON.


    Malfunction status:

  • CAN communication failure


    Malfunction duration:

  • -

 Headlight ECU sub-assembly LH Headlight ECU sub-assembly LH
HL AutoLeveling (Sub)
DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from
U1000 CAN Communication Failure (Message Registry)

    Detection condition:

  • The ignition switch is ON.


    Malfunction status:

  • CAN communication failure


    Malfunction duration:

  • -

 Headlight ECU sub-assembly RH Headlight ECU sub-assembly RH

CAUTION / NOTICE / HINT

Note

If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight ECU sub-assembly LH.

Click here

PROCEDURE


  1. CLEAR DTC


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / HL AutoLeveling or HL AutoLeveling (Sub) / Trouble Codes.

    5. Clear the DTCs.


      Body Electrical > HL AutoLeveling > Clear DTCs
      Body Electrical > HL AutoLeveling (Sub) > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  2. CHECK FOR DTC


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / HL AutoLeveling or HL AutoLeveling (Sub) / Trouble Codes.

    5. Check for DTCs.


      Body Electrical > HL AutoLeveling > Trouble Codes
      Body Electrical > HL AutoLeveling (Sub) > Trouble Codes
      OK
      DTC U1000 is not output.
      Result
      Result Proceed to
      OK A
      NG (DTC output from headlight ECU sub-assembly LH) B
      NG (DTC output from headlight ECU sub-assembly RH) C

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH Click here

    C

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH Click here