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Diagnosis Procedure

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

    Perform initialization with CONSULT. Re-register all mechanical keys.

    For initialization and registration of mechanical key. Refer to CONSULT Immobilizer mode and follow the on-screen instructions.

    Can the system be initialized and can the engine be started with re-registered mechanical key? 

    YES: ID was unregistered.

    NO: GO TO 2

  2. REPLACE BCM 
    1. Replace BCM. Refer to "REMOVAL AND INSTALLATION ".
    2. Perform initialization with CONSULT. Re-register all mechanical keys.

      For initialization and registration of mechanical key. Refer to CONSULT Immobilizer mode and follow the on-screen instructions.

      Can the system be initialized and can the engine be started with re-registered mechanical key? 

      YES: BCM is malfunctioning.

      NO: GO TO 3

  3. REPLACE ECM 
    1. Replace ECM. Refer to Removal and Installation  .
    2. Perform initialization with CONSULT. Re-register all mechanical keys.

      For initialization and registration of mechanical key. Refer to CONSULT Immobilizer mode and follow the on-screen instructions.

      Can the system be initialized and can the engine be started with re-registered mechanical key? 

      YES: ECM is malfunctioning.

      NO: GO TO 4

  4. CHECK INTERMITTENT INCIDENT 

    Refer to "INTERMITTENT INCIDENT ".

    :Inspection End