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Home >> Infiniti >> 2009 >> M45 x >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Body, Lock & Security System >> Service Information >> Intelligent Key System/Engine Start Function >> Work Flow
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Work Flow

  1. CHECK IN

    Listen to customer complaints or request (Get symptoms).

    NOTE: In rare case, "CHAIN of ECM-IMMU" might be stored as a self-diagnostic result during key registration procedure, even if the system is not malfunction.

    malfunction: GO TO 2.

    Key service request: Perform Initialization. Refer to CONSULT-III operation instructions - NATS-IVIS/NVIS.

  2. START ENGINE WITH INTELLIGENT KEY

    Check if the engine could be started by all registered Intelligent Keys.

    Is the inspection result normal? 

    The engine can be started by all Intelligent Keys: GO TO 3.

    The engine cannot be started by some Intelligent Keys: Perform Initialization. Refer to CONSULT-III operation instructions - NATS-IVIS/NVIS.

    The engine cannot be started by all Intelligent Keys: GO TO  4.

  3. START ENGINE WITH INTELLIGENT KEY INTO KEY SLOT

    Check if the engine could be started by all Intelligent Keys into key slot.

    Is the inspection result normal? 

    The engine can be started by all Intelligent Keys: GO TO  5.

    The engine cannot be started by some Intelligent Keys: Perform Initialization. Refer to CONSULT-III operation instructions - NATS-IVIS/NVIS.

    The engine cannot be started by all Intelligent Keys: GO TO 4.

  4. CHECK "KEY" WARNING LAMP ILLUMINATION
    1. Intelligent key into key slot.
    2. When pushing the push-button ignition switch, check if "KEY" warning lamp in combination meter illuminates.

    Does "KEY" warning lamp illuminate? 

    YES: GO TO  7.

    NO: Check function of intelligent key system. Refer to "SYSTEM DESCRIPTION "

  5. CHECK SECURITY INDICATOR OPERATION

    Check security indicator lights up when ignition switch is in ON position.

    Does security indicator illuminate? 

    YES: GO TO  7.

    NO: GO TO 6.

  6. CHECK SECURITY INDICATOR OPERATION

    Check security indicator blinks when ignition switch is in OFF position.

    Is the inspection result normal? 

    YES: GO TO 7.

    NO: Repair security indicator. Refer to "SYMPTOM CHART FOR SECURITY INDICATOR ".

  7. INTELLIGENT KEY UNIT SELF DIAGNOSIS

    Perform Intelligent Key unit SELF-DIAGNOSIS using CONSULT-III.

    Is DTC displayed? 

    YES: GO TO 8.

    NO: GO TO  9.

  8. PERFORM INTELLIGENT KEY UNIT TROUBLE DIAGNOSIS

    Check Intelligent Key unit self-diagnostic results item chart. Refer to "CONSULT-III FUNCTIONS (INTELLIGENT KEY) ".

    Is the inspection result normal? 

    YES: GO TO  7.

    NO: Perform intelligent key trouble diagnosis again.

  9. BCM SELF DIAGNOSIS

    Perform BCM SELF-DIAGNOSIS using CONSULT-III.

    Is DTC displayed? 

    YES: GO TO 10.

    NO: GO TO  11.

  10. PERFORM BCM TROUBLE DIAGNOSIS

    Check BCM self-diagnostic results item chart. Refer to "CONSULT-III FUNCTIONS (BCM-IMMU) ".

    Is the inspection result normal? 

    YES: GO TO  9.

    NO: Perform BCM trouble diagnosis again.

  11. ECM SELF DIAGNOSIS

    Perform ECM SELF-DIAGNOSIS using CONSULT-III.

    Is DTC displayed? 

    P1610-P1615 is displayed: GO TO 12.

    No DTC is displayed: GO TO  2.

    Another code different from (P1610-P1615) is displayed.: Go to Engine Control Information.

  12. PERFORM ECM TROUBLE DIAGNOSIS

    Check ECM self-diagnostic results item chart. Refer to "CONSULT-III FUNCTIONS (BCM-IMMU) ".

    Is the inspection result normal? 

    YES: GO TO  11.

    NO: Perform ECM trouble diagnosis again.

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