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Home >> Infiniti >> 2001 >> QX4 4WD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> IVIS (INFINITI Vehicle Immobilizer System - NATS) - Late - New >> IVIS (INFINITI Vehicle Immobilizer System - NATS) >> Trouble Diagnoses >> Diagnostic Procedure 7

Diagnostic Procedure 7

Self-diagnostic results: 

"LOCK MODE" displayed on CONSULT-II screen 

  1. CONFIRM SELF-DIAGNOSTIC RESULTS 

    Confirm SELF-DIAGNOSTIC RESULTS "LOCK MODE" is displayed on CONSULT-II screen.

    Fig 1: Confirming Self-Diagnostic Results
    G03145349

    Is CONSULT-II screen displayed as above? 

    1. Yes: GO TO 2.
    2. No: GO TO SYMPTOM MATRIX CHART 1  .
  2. ESCAPE FROM LOCK MODE 
    1. Turn ignition switch OFF.
    2. Turn ignition switch ON with registered key. (Do not start engine.) Wait 5 seconds.
    3. Return the key to OFF position.
    4. Repeat steps 2 and 3 twice (total of three cycles).
    5. Start the engine.

    Does engine start? 

    1. Yes: System is OK.

      (Now system is escaped from "LOCK MODE".)

    2. No: GO TO 3.
  3. CHECK IMMU ILLUSTRATION 

    Check IMMU installation. Refer to "How to Replace IMMU" in How to Replace IVIS (NATS) IMMU  .

    OK or NG 

    1. OK: GO TO 4.
    2. NG: Reinstall IMMU correctly.
  4. PERFORM INITIALIZATION WITH CONSULT-II 

    Perform initialization with CONSULT-II.

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

    Fig 2: Performing Initialization With Consult-II
    G03145350
    NOTE: If the initialization is not completed or fails, CONSULT-II shows the above message on the screen.

    Can the system be initialized? 

    1. Yes: System is OK.
    2. No: GO TO DIAGNOSTIC PROCEDURE 4 to check "CHAIN OF IMMU-KEY", refer to DIAGNOSTIC PROCEDURE 4  .