ECM Relay

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

Fig 1: Checking continuity between relay terminals 3 & 5, 6 & 7
Courtesy of NISSAN MOTOR CO., U.S.A.
If NG, replace ECM relay.

Fig 2: Checking ECM Relay

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