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Home >> Infiniti >> 2017 >> QX80 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Security Control System (DTC/Circuit Diagnosis)) >> 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 2016 Infiniti QX50. However, it is still accessible from the selected car via links, so may be relevant.

  1. PERFORM INITIALIZATION

    Perform initialization with CONSULT. Register all Intelligent Keys.

    For initialization and registration of Intelligent Key, follow the instruction of CONSULT display.

    Can the system be initialized and can the engine be started with registered Intelligent Key?

    YES 

    INSPECTION END

    NO 

    GO TO STEP 2  .

  2. REPLACE INTELLIGENT KEY

    1. Replace Intelligent Key.
    2. Perform initialization with CONSULT.

      For initialization and registration of Intelligent Key, follow the instruction of CONSULT display.

    Can the system be initialized and can the engine be started with registered Intelligent Key?

    YES 

    INSPECTION END

    NO 

    GO TO STEP 3  .

  3. CHECK INTERMITTENT INCIDENT

    Refer to INTERMITTENT INCIDENT .

    INSPECTION END