Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 425 (Engine Control System - Introduction) >> Power Supply Circuit For ECM >> Diagnostic Procedure >> 8) Check ECM Power Supply Circuit-III

8) Check ECM Power Supply Circuit-III

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition switch ON and then OFF.
  2. Check voltage between ECM terminals 119, 120 and ground with CONSULT-II or tester.
    1. Voltage: After turning ignition switch "OFF", battery voltage will exist for a few seconds, then drop approximately 0V. 

OK or NG 

  1. OK: GO TO 16 .
  2. NG: (Battery voltage does not exist.): GO TO 9.
  3. NG: (Battery voltage exists for more than a few seconds.): GO TO 17 .
Fig 1: Check ECM Power Supply Circuit-III
G00875840Courtesy of NISSAN MOTOR CO., U.S.A.
scientia non olet · About Mike's Workshop Manuals