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DI-504
                                            DIAGNOSTICS      -   ENGINE IMMOBILISER SYSTEM
                                                                                                                  DI1KN-07




    DTC           B2795/99 Unmatched Key Code

CIRCUIT DESCRIPTION
This DTC is output when an unregistered key is inserted. When this DTC is output, delete DTC and insert
the key that a customer keeps to check that B2795 is output.
When a key that outputs B2795 is found, register this key. when B2795 is not output, there is a possibility
that the unregistered key has been inserted before (ECM is normal.).
Inquire a customer the condition of using the system to find the cause of the trouble.
(Example: Another key has been inserted, etc.)
    DTC No.                   DTC Detection Condition                                         Trouble Area
                                                                      S Key
    B2795/99    No communication
                                                                      S Unregistered key inserted before


INSPECTION PROCEDURE

   1     Delete DTC and insert all the presently available keys to check whether the en-
         gine starts or not.

HINT:
When inserting the key that does not start the engine, DTC (B2795) is stored in memory.
RESULT:
                      OK                                                      All keys starts the engine
                      NG                                               A specific key does not start the engine


                                                        OK       No problem.

                                                 HINT:
                                                 If the result is "OK", please confirm whether or not customers
                                                 have ever inserted the unregistered key or the immobiliser key
                                                 (with transponder chip) of other vehicle in the ignition key cylin-
                                                 der, and find out the cause of detecting DTC.

   NG



  Register key that does not start engine.




2002 4RUNNER (RM887U)

                                                                        Author :                     Date :         680

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