LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2006 >> M35 x >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Body, Lock & Security System >> Intelligent Key System/Engine Start Function >> Work Flow
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Work Flow

  1. LISTEN TO CUSTOMER COMPLAINT OR REQUEST 

    Get symptoms or listen to customer complaints or request.

    NOTE: In case of request for Intelligent Key or IVIS (NATS) system repair, the key ID re-registration might be necessary. Keep all the Intelligent Keys before work for the re-registration.

    Key ID registration request: Resister Intelligent Key by referring to Technical Bulletin.

    Request for malfunction repair.: GO TO 2.

  2. CHECK DOOR LOCK AND REMOTE KEYLESS ENTRY FUNCTION 

    Check that Door Lock and remote control function of Intelligent Key operate normally.

    Door Lock or remote keyless entry function is malfunctioning.: Malfunction of Door Lock and remote control function, Refer to "INTELLIGENT KEY SYSTEM ".

    Door Lock and remote keyless entry function are normal.: GO TO 3.

  3. CONFIRMATION BEFORE DIAGNOSIS 

    Before performing diagnostic procedure, grasp the operating systems with referring to the items below.

    GO TO 4.

  4. CONFIRM SELF DIAGNOSIS 1 

    Start CONSULT-II with Push-button ignition switch in lock position and confirm SELF DIAG RESULT "Intelligent Key". Refer to "CONSULT-II INSPECTION PROCEDURE ".

    No malfunction: GO TO 5.

    Malfunction exist: Repair the items displayed in "SELF DIAG RESULTS". Refer to "SELF-DIAGNOSTIC RESULTS ".

  5. CONFIRM SELF DIAGNOSIS 2 

    Start CONSULT-II with Push-button ignition switch in lock position and confirm SELF DIAG RESULTS "NATS BCM or S/ENT" and "NATS I-KEY". Refer to "CONSULT-II INSPECTION PROCEDURE ".

    NOTE: NATS program card is necessary to display "SELF DIAG RESULTS".

    No malfunction: GO TO 6.

    Malfunction exist: Repair the items displayed in "SELF DIAG RESULTS". Refer to ""NATS BCM OR S/ENT" SELF-DIAGNOSTIC RESULTS ITEM CHART " and ""NATS I-KEY" SELF-DIAGNOSTIC RESULTS ITEM CHART ".

  6. CHECK INTELLIGENT KEY FUNCTION 

    Operate Push-button ignition switch with carrying Intelligent Key to check the power source position can be turned with all of the Intelligent Keys.

    CAUTION: Operate Push-button ignition switch without depressing the brake pedal.

    Can be operated with all of the Intelligent Keys: GO TO 7.

    Can not be operated with particular Intelligent Key: Check the malfunctioning Intelligent Key. Refer to "INTELLIGENT KEY BATTERY INSPECTION ".

    Can not be operated with any of the Intelligent Keys: Perform Diagnostic Procedure. Refer to "TROUBLE DIAGNOSIS SYMPTOM CHART 1 ".

  7. CHECK TURNING TIMING OF POWER SOURCE POSITION 1 

    Check the power source turning delay time after Push-button ignition switch is pushed. (Approx. 3 sec)

    CAUTION: Operate Push-button ignition switch without depressing the brake pedal.

    No delay time exists: GO TO 8.

    Delay time exists: Perform Diagnostic Procedure. Refer to "TROUBLE DIAGNOSIS SYMPTOM CHART 2 ".

  8. CHECK TURNING TIMING OF POWER SOURCE POSITION 2 

    Check all the Intelligent Keys for power source turning delay time after Push-button ignition switch is pushed with Intelligent Key inserted into key slot. (Approx. 3 sec)

    CAUTION: Operate Push-button ignition switch without depressing the brake pedal.

    No delay time exists: GO TO 9.

    Delay time exists when operated with particular Intelligent Key.: Perform "C/U INITIALIZATION" referring to CONSULT-II operation manual IVIS/NVIS NATS. In case that delay time still exists after the initialization, replace the Intelligent Key.

    Delay time exists when operated with any of the Intelligent Keys.: Perform Diagnostic Procedure. Refer to "TROUBLE DIAGNOSIS SYMPTOM CHART 3 ".

  9. CHECK ENGINE START FUNCTION 

    Check that engine can be started with Intelligent Key carried and inserted into the key slot respectively.

    Engine can be started.: GO TO 10.

    Engine cannot be started.: Inspect Trouble Diagnosis Flow Chart for IVIS (NATS). Refer to "TROUBLE DIAGNOSES FLOW CHART FOR IVIS (NATS) ".

  10. CHECK SECURITY INDICATOR FUNCTION 

    Check Security Indicator for lighting up under the two conditions below.

    • Security Indicator lights off when Push-button ignition switch is pushed with Intelligent Key inserted into or pulled out of the key slot.
    • Security Indicator blinks when Intelligent Key is pulled out and Push-button ignition switch is in lock position.

    Lighting up condition is normal.: Inspection END.

    Lighting up condition is malfunctioning.: Perform Security Indicator Inspection. Refer to "CHECK SECURITY INDICATOR HARNESS ".

scientia non olet · About LEMON Manuals