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Home >> Nissan-Datsun >> 2004 >> Maxima SE, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Introduction >> Power Supply Circuit For ECM >> Diagnostic Procedure >> 2) Check ECM Power Supply Circuit-I
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

2) Check ECM Power Supply Circuit-I

  1. Turn ignition switch OFF and then ON.
  2. Check voltage between ECM terminal 109 and ground with CONSULT-II or tester.
    1. Voltage: Battery voltage 

OK or NG 

  1. OK: GO TO 4 .
  2. NG: GO TO 3.
Fig 1: Check ECM Power Supply Circuit-I
G00875838Courtesy of NISSAN MOTOR CO., U.S.A.
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