LIGHTING SYSTEM, Diagnostic DTC:U1000

DTC Code DTC Name
U1000 CAN Communication Failure (No CAN Message)

DESCRIPTION

These DTCs are stored when the self-diagnosis of the headlight swivel ECU determines that the CAN communication system is malfunctioning.

DTC Code DTC Detection Condition Trouble Area
U1000 A malfunction in the headlight swivel ECU (CAN communication failure) Headlight swivel ECU assembly

INSPECTION PROCEDURE

Note

After replacing the headlight swivel ECU, perform initialization and registration of vehicle information Click here.

PROCEDURE


  1. CLEAR DTC


    1. Clear the DTCs Click here.


    NEXT

  2. CHECK FOR DTC


    1. Check for DTCs Click here.

      OK
      DTC U1000 output does not occur.
      Result
      Result Proceed to
      OK A
      NG (for LHD) B
      NG (for RHD) C

    B

    REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY Click here

    C

    REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY Click here

    A

    USE SIMULATION METHOD TO CHECK Click here