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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 108 (Door & Lock) >> Symptom Diagnosis >> Door Does Not Lock/Unlock With Intelligent Key (One Key) >> Diagnosis Procedure >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

Refer to 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 OUTPUT SIGNAL 

    Use SIGNAL TECH II to check Intelligent Key output signal. For the inspection method and how to use SIGNAL TECH II, refer to "NISSAN/INFINITI SIGNAL TECH II USER GUIDE".

    Is the inspection result normal?

    YES

    GO TO 3 .

    NO

    Replace Intelligent Key.

  3. 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 4 .

  4. 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 5 .

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

    Is the inspection result normal?

    YES

    Inspection End.

    NO

    Check intermittent incident. Refer to Intermittent Incident .