WARNING: This page is about a different car, the 2005 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
Check continuity between terminals of the A/T device.
DETENTION SWITCH - FOR KEY CONTINUITY
Condition
Terminal No.
Continuity
When selector lever is "P" position.
5 - 6
No
When selector lever is not "P" position.
Yes
Fig 1: Checking Detention Switch - For Key Continuity