LIGHTING SYSTEM, Diagnostic DTC:U1000

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

DESCRIPTION

This DTC is output when an internal malfunction of the CAN communication-related ECU is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
U1000 CAN Communication Failure (Message Registry) A headlight ECU sub-assembly LH CAN communication function malfunction is detected Headlight ECU sub-assembly LH

CAUTION / NOTICE / HINT

Note

After the headlight ECU sub-assembly LH is replaced, vehicle information registration and initialization are necessary.

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PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > HL AutoLeveling > Clear DTCs

    2. Turn the engine switch on (IG).

    3. Check for DTCs.

      Click here


      Body Electrical > HL AutoLeveling > Trouble Codes
      OK
      DTC U1000 is not output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH Click here