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 ECM Relay Terminals
Courtesy of NISSAN MOTOR CO., U.S.A.

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