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Home >> Infiniti >> 2018 >> Q70 5.6 Luxe, RWD >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Door Lock (Except Hybrid) >> Symptom Diagnosis >> Door Does Not Lock/Unlock With Door Key Cylinder Operation >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK POWER DOOR LOCK OPERATION 

    Check power door lock operation.

    Does door lock/unlock with door lock and unlock switch?

    YES

    GO TO 2.

    NO

    Refer to Diagnosis Procedure .

  2. CHECK DOOR KEY CYLINDER SWITCH 

    Check door key cylinder switch.

    Refer to Component Function Check .

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Repair or replace the malfunctioning parts.

  3. REPLACE BCM 

    Is the result normal?

    YES

    INSPECTION END

    NO

    Check intermittent incident. Refer to Intermittent Incident .