1. Check ECM Power Supply

1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check voltage between ECM terminal 95 and ground with CONSULT-II or tester.
   Fig 1: Checking Voltage Between ECM Terminal & Ground

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

   Voltage: Battery voltage 

OK or NG 

1. OK: GO TO 3. CHECK INTERMITTENT INCIDENT .
2. NG: GO TO 2.