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Home >> Infiniti >> 2018 >> Q70 5.6 Luxe, RWD >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Door Lock (Except Hybrid) >> Symptom Diagnosis >> Intelligent Key System All Functions Cannot Operate (All Keys) >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK INTELLIGENT KEY SYSTEM SYMPTOM TABLE 

    Check Intelligent Key system symptom table.

    Refer to Diagnosis Procedure .

    GO TO 2.

  2. CHECK INTELLIGENT KEY-1 

    For both Intelligent Key that cannot be used for door lock and unlock, check that the Intelligent Key belongs to the vehicle to be checked.

    • Check if the Intelligent Key that is checked is the Intelligent Key for a different NISSAN vehicle that the user owns.
    • Check that the Intelligent Key buttons match the vehicle specifications.

    Does the Intelligent Key belong to the vehicle to be checked?

    YES

    GO TO 3.

    NO

    Check Intelligent Key button operation using a registered Intelligent Key that belongs to the vehicle.

  3. CHECK INTELLIGENT KEY-2 

    Check the inside of the both Intelligent Key for rust or corrosion by water. Simultaneously check the internal circuits for damage.

    Is the inspection result normal?

    YES

    GO TO 4.

    NO

    Replace Intelligent Key.

  4. REGISTER INTELLIGENT KEY 
    1. Register the Intelligent Key again.
    2. Check operation after replacement.

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    GO TO 5.

  5. REPLACE INTELLIGENT KEY 
    1. Replace the Intelligent Key and perform registration again.
    2. Check operation after replacement.

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    GO TO 6.

  6. REPLACE BCM 
    1. Replace BCM. Refer to Removal and Installation .
    2. Check the operation after replacement.

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Check intermittent incident. Refer to Intermittent Incident .