6. Check Ignition Coil Power Supply Circuit-III

1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Disconnect ECM relay.
   Fig 1: Identifying ECM & Fuel Pump Relays

   Courtesy of NISSAN MOTOR CO., U.S.A.
4. Check harness continuity between ECM terminal 12 and ECM relay terminal 3.

   Refer to WIRING DIAGRAM .

   Continuity should exist. 

5. Also check harness for short to ground and short to power.

OK or NG 

1. OK: GO TO 8. CHECK IGNITION COIL POWER SUPPLY CIRCUIT-IV .
2. NG: GO TO 7.