IMMOBILISER SYSTEM(w/o Smart Entry and Start System), Diagnostic DTC:B2795

DTC Code DTC Name
B2795 Unmatched Key Code

DESCRIPTION

This DTC is stored when a door control transmitter assembly with a different vehicle serial number is inserted into the ignition key cylinder.

DTC No. Detection Item DTC Detection Condition Trouble Area Note
B2795 Unmatched Key Code A door control transmitter assembly with a different vehicle serial number is inserted into the ignition key cylinder (1 trip detection logic*).

  • Door control transmitter assembly

  • Transponder key ECU assembly

    DTC Output Confirmation Operation:

  • Insert the door control transmitter assembly into the ignition key cylinder.

Vehicle Condition and Fail-safe Operation when Malfunction Detected
Vehicle Condition when Malfunction Detected Fail-safe Operation when Malfunction Detected
Engine cannot be started -
Related Data List and Active Test Items
DTC No. Data List and Active Test
B2795 -

CAUTION / NOTICE / HINT

Note


  • If the transponder key ECU assembly or a door control transmitter assembly is replaced, refer to Service Bulletin.

  • After repair, confirm that no DTCs are output by performing "DTC Output Confirmation Operation".

PROCEDURE


  1. CLEAR DTC


    1. Clear the DTCs.


      Body Electrical > Immobiliser > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  2. CHECK FOR DTC


    1. Perform "DTC Output Confirmation Operation" procedure.

    2. Check for DTCs.


      Body Electrical > Immobiliser > Trouble Codes

      Tech Tips

      If DTC B2795 is stored, check for DTCs with the next door control transmitter assembly after clearing the DTCs.

      OK
      DTC B2795 is not output.
      Result
      Result Proceed to
      B2795 is not output A
      DTC B2795 is output for all of the door control transmitter assemblies B
      DTC B2795 is output for any of the door control transmitter assemblies C

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    REPLACE TRANSPONDER KEY ECU ASSEMBLY

    C

  3. CHECK OPERATION (IG ON)


    1. Check that the ignition switch can be turned to ON using the door control transmitter assembly for which the DTC was stored.

      OK
      Ignition switch can be turned to ON using the door control transmitter assembly (for which the DTC was stored).
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE DOOR CONTROL TRANSMITTER ASSEMBLY THAT DTC IS OUTPUT

    OK

  4. REREGISTRATION


    1. Clear the DTCs.


      Body Electrical > Immobiliser > Clear DTCs

    2. Reregister the key ID code with the transponder key ECU assembly.

      OK
      Registration procedure can be completed.
      Result
      Proceed to
      OK
      NG

    OK

    END (DOOR CONTROL TRANSMITTER ASSEMBLY REGISTRATION FAILURE)

    NG

    REPLACE DOOR CONTROL TRANSMITTER ASSEMBLY