ENGINE IMMOBILISER SYSTEM, Diagnostic DTC:B2793

DTC Code DTC Name
B2793 Transponder Chip Malfunction

DESCRIPTION

This DTC is output when a malfunction is detected in the key or the key code is not registered correctly. When this DTC is detected, register the key code again and check that the engine starts. If the engine still does not start, replace the key.

DTC No. DTC Detection Condition Trouble Area
B2793 Key with malfunctioning transponder chip inserted into ignition key cylinder Key

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTC Click here.

    2. Insert the key into the ignition key cylinder and then turn the ignition key to the ACC position.

    3. Select the following menu items: Body/immobiliser/ DTC.

    4. Read DTCs.

      OK
      No DTC output.

    OK

    NORMAL

    NG

  2. RE-REGISTER KEY


    1. Clear the DTC Click here.

    2. Re-register the key and check that the engine starts with the key.

      OK
      Engine starts.

    OK

    NORMAL

    NG

    REPLACE KEY