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Home >> Infiniti >> 2010 >> G37 Base, 2D Coupe >> Repair and Diagnosis >> External Pages >> Different car >> Section 221 (Security Control System) >> Without Intelligent Key System >> DTC/Circuit Diagnosis >> DTC B2191: Difference Of Key >> Diagnosis Procedure
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Diagnosis Procedure

WARNING: This page is about a different car, the 2011 Nissan Juke. 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-III.

    For initialization and registration procedures, refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.

    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-III.

      For initialization and registration procedures, refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.

      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
    1. Replace BCM. Refer to "REMOVAL AND INSTALLATION ".
    2. Perform initialization of BCM and registration of all ignition keys using CONSULT-III.

      For initialization and registration procedures, refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.

      INSPECTION END