ASCD Steering Switch

WARNING: This page is about a different car, the 2005 Nissan 350Z. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect combination switch (spiral cable) harness connector M203.
Check continuity between combination switch (spiral cable) terminals 14 and 15 with pushing each switch.

Fig 1: Combination Switch Resistance Specification Table
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Combination Switch (Spiral Cable) Terminals 14 & 15 Continuity Test
Courtesy of NISSAN MOTOR CO., U.S.A.