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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 934 (Body, Lock & Security System) >> NVIS (NISSAN Vehicle Immobilizer System-NATS) >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

Self-diagnostic results: 

"ID DISCORD, IMM-ECM" displayed on CONSULT-III screen 

  1. CONFIRM SELF-DIAGNOSTIC RESULTS 

    Confirm SELF-DIAGNOSTIC RESULTS "ID DISCORD, IMM-ECM" displayed on CONSULT-III screen.

    NOTE: "ID DISCORD IMM-ECM":
    Registered ID of BCM is in discord with that of ECM.

    Is CONSULT-III screen displayed? 

    YES: GO TO 2.

    NO: GO TO "SYMPTOM MATRIX CHART 1 ".

  2. PERFORM INITIALIZATION WITH CONSULT-III 

    Perform initialization with CONSULT-III. Re-register all NATS ignition key IDs.

    For initialization, refer to "CONSULT-III Operation Manual NATS-IVIS/NVIS".

    NOTE: If the initialization is not completed or malfunctions, CONSULT-III shows message on the screen.

    Can the system be initialized? 

    YES:

    • Start engine. (END)
    • System initialization had not been completed.

    NO: ECM is malfunctioning.

    • Replace ECM.
    • Perform initialization with CONSULT-III.

      For initialization, refer to "CONSULT-III Operation Manual NATS-IVIS/NVIS".