Component Inspection

WARNING: This page is about a different car, the 2008 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

CHECK KEY SWITCH
1. Turn ignition switch OFF.
2. Disconnect key switch and ignition knob switch connector.
3. Check continuity between key switch and ignition knob switch terminals 3 and 4.
  3 - 4
  
  When key is inserted into key cylinder : Continuity should exist.
  
  When key is removed from key cylinder : Continuity should not exist.
  
  Fig 1: Checking Continuity Between Key Switch And Ignition Knob Switch Terminals 3 And 4
  Courtesy of NISSAN MOTOR CO., U.S.A.
Is the inspection result normal?

YES: Inspection End.

NO: Replace key switch and ignition knob switch.