Ignition Coil/Power Transistor Relay

Connect a 12-volt power source between relay connector terminals No. 1 and 2. See Fig 1. Check continuity between terminals No. 3 and 5. If there is no continuity, replace relay. Disconnect power source. Check continuity between relay connector terminals No. 3 and 5. If there is continuity, replace relay.

Fig 1: Ignition Coil/Power Transistor ID Relay Terminals (DIS)

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