Part of Switch

WARNING: This page is about a different car, the 2006 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

Turn ignition switch "OFF".
Disconnect SNOW mode switch harness connector.

Operate SNOW mode switch and check continuity between SNOW mode switch harness connector M92 terminals 1 and 4.

CONNECTOR TERMINALS CONTINUITY CHART

Connector	Terminal	Condition	Continuity
M92	1 - 4	SNOW mode switch: "ON" position	Yes
M92	1 - 4	SNOW mode switch: "OFF" position	No

Fig 1: Identifying Continuity Between SNOW Mode Switch Harness Connector M92 Terminals 1 And 4

Courtesy of NISSAN MOTOR CO., U.S.A.

If NG, replace SNOW mode switch.