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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 >> Door Does Not Lock/Unlock And Engine Does Not Start (One I-Key/Req SW/Push SW) >> 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 

    Check the inside of the Intelligent Key for rust or corrosion by water. Simultaneously check the internal circuits for damage. Squeeze, twist or bend the Intelligent Key and check the functionality again. Is the Intelligent Key operating normally?

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Replace Intelligent Key.

  3. CHECK INTELLIGENT KEY BATTERY 

    Check the Intelligent Key battery.

    Is the inspection result normal?

    YES

    GO TO 4.

    NO

    Replace Intelligent Key battery. Refer to Removal and Installation .

  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. Confirm the operation after replacement.

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Check intermittent incident. Refer to Intermittent Incident .

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