WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
Check the continuity between terminals 1 and 2.
1 - 2 : Continuity should exist when pushing the switch
.
Continuity should not exist when releasing the switch
.
Fig 1: Checking Continuity Between VDC Off Switch Terminals 1 And 2