ECM Relay

WARNING: This page is about a different car, the 2004 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.

Apply 12V direct current between ECM relay terminals 1 and 2.
Check continuity between relay terminals 3 and 5, 6 and 7.

Fig 1: Identifying ECM Relay Terminals
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: ECM Relay Condition & Continuity Chart
Courtesy of NISSAN MOTOR CO., U.S.A.
If NG, replace ECM relay.