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Home >> Nissan-Datsun >> 2013 >> Altima Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 108 (Security Control System (Without Intelligent Key System)) >> DTC/Circuit Diagnosis >> DTC B2191: Difference Of Key >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2013 Nissan Cube. However, it is still accessible from the selected car via links, so may be relevant.
  1. PERFORM INITIALIZATION 

    Perform initialization of BCM and registration of all ignition keys using CONSULT.

    Can the system be initialized and can the engine be started with registered ignition key? 

    YES: INSPECTION END

    NO: GO TO 2.

  2. REPLACE IGNITION KEY 
    1. Replace ignition key.
    2. Perform initialization of BCM and registration of all ignition keys using CONSULT.

      Can the system be initialized and can the engine be started with registered ignition key? 

      YES: INSPECTION END

      NO: GO TO 3.

  3. REPLACE BCM 

    Replace BCM. Refer to "REMOVAL AND INSTALLATION ".

    : INSPECTION END

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