TOYOTA PARKING ASSIST-SENSOR SYSTEM, Diagnostic DTC:U1000

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

DESCRIPTION

If DTC U1000 is stored frequently, duplicate the conditions that cause the problem symptoms and perform the inspection again even if the DTC is not output when rechecking for DTCs.

DTC No. Detection Item DTC Detection Condition Trouble Area
U1000 CAN Communication Failure (Message Registry) ECU malfunction Clearance warning ECU assembly

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > IPA/ICS/Clearance Sonar > Clear DTCs

    2. Check for DTCs.

      Click here


      Body Electrical > IPA/ICS/Clearance Sonar > Trouble Codes
      OK
      DTC U1000 is not output.
      Result
      Proceed to
      OK
      NG

      Tech Tips


      • If DTC U1000 is not output after clearing the DTCs, an intermittent CAN communication circuit malfunction is suspected.

      • If DTC U1000 is output frequently, replace the clearance warning ECU assembly, even though the DTC was not output when rechecking for DTCs.

        Click here


    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

    REPLACE CLEARANCE WARNING ECU ASSEMBLY Click here