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Home >> Toyota >> 2000 >> MR2 >> Repair and Diagnosis >> External Pages >> Different car >> Section 369 (Engine Immobilizer System - Diagnostics) >> Circuit Inspection >> DTC B2795/99: Unmatched Key Code >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2004 Toyota MR2. However, it is still accessible from the selected car via links, so may be relevant.
  1. Delete DTC and insert all presently available keys to check whether engine starts or not. 
    NOTE: When inserting the key that does not start the engine, DTC B2795/99 is stored in memory.

    RESULT: 

    UNMATCHED KEY CODE ENGINE START RESULT

    Condition Result
    OK All keys starts engine.
    NG A specific key does not start engine.
    1. OK : No problem. 
      NOTE: 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 cylinder, and find out the cause of detecting DTC.
    2. NG : Register key that does not start engine.