ICC Steering Switch

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect ICC steering switch.
Check resistance between terminals 14 and 15 while depressing each switch.

Fig 1: ICC Steering Switch Terminals Resistance Chart
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Checking Resistance Between ICC Steering Switch Terminals 14 And 15
Courtesy of NISSAN MOTOR CO., U.S.A.