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Home >> Infiniti >> 2021 >> Q50 Luxe, RWD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Security Control System (Diagnostics) >> Symptom Diagnosis >> Security Control System >> Remote Engine Start Function Does Not Operate >> Diagnosis Procedure >> Security Control System (Diagnostics)

Security Control System (Diagnostics)

  1. CHECK INTELLIGENT KEY SYSTEM (REMOTE KEYLESS ENTRY FUNCTION) 

    Lock/unlock door with Intelligent Key.

    Refer to System Description .

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Check Intelligent Key system (remote keyless entry function). Refer to Diagnosis Procedure .

  2. CHECK HOOD SWITCH 

    Check hood switch.

    Refer to Component Function Check .

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Repair or replace malfunctioning parts.

  3. CHECK DOOR SWITCH 

    Check door switch.

    Refer to Component Function Check .

    Is the inspection result normal?

    YES

    GO TO 4.

    NO

    Repair or replace malfunctioning parts.

  4. CHECK HAZARD SWITCH 

    Check hazard switch.

    Refer to Component Function Check .

    Is the inspection result normal?

    YES

    GO TO 5.

    NO

    Repair or replace malfunctioning parts.

  5. CHECK SHIFT LOCK SYSTEM 

    Check shift lock system.

    Refer to Component Function Check .

    Is the inspection result normal?

    YES

    GO TO 6.

    NO

    Repair or replace malfunctioning parts.

  6. REPLACE BCM 

    Replace BCM. Refer to BCM : Removal & Installation .

    Is the result normal?

    YES

    INSPECTION END

    NO

    Check intermittent incident. Refer to Inspection .