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DOOR KEY CYLINDER: Diagnosis Procedure

WARNING: This page is about a different car, the 2012 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK POWER DOOR LOCK SYSTEM

    Lock/unlock door with mechanical key.

    Refer to "SYSTEM DESCRIPTION ".

    Is the inspection result normal? 

    YES: GO TO 2.

    NO: Check power door lock system. Refer to "DIAGNOSIS PROCEDURE ".

  2. CONFIRM THE OPERATION

    Confirm the operation again.

    Is the result normal? 

    YES: Check intermittent incident. Refer to "INTERMITTENT INCIDENT ".

    NO: GO TO  1.