LIGHTING SYSTEM, Diagnostic DTC:U1000

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

DESCRIPTION


DTC Code DTC Detection Condition Trouble Area
U1000
  • w/o AFS

    A malfunction in the headlight leveling ECU (CAN communication failure)

  • w/ AFS

    A malfunction in the headlight swivel ECU (CAN communication failure)


  • Headlight leveling ECU assembly (w/o AFS)

  • Headlight swivel ECU assembly (w/ AFS)

Tech Tips

After replacing the headlight leveling ECU*1 or headlight swivel ECU*2, initialization of the ECU is necessary Click here.


  • *1: w/o AFS

  • *2: w/ AFS

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      OK
      DTC U1000 output does not occur.
      Result
      Result Proceed to
      OK A
      NG (w/o AFS, for LHD) B
      NG (w/o AFS, for RHD) C
      NG (w/ AFS) D

    A
    B
    C
    D