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BCM Power Supply And Ground Circuit Inspection

WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  1. FUSE INSPECTION 
    • Check the following fuses and fusible link in the fuse block (J/B) and fuse and fusible link box.
    Fig 1: Fuse Inspection Chart
    G00867047Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: GO TO 2
    2. NG: Replace the fuse or fusible link.
  2. POWER SUPPLY CIRCUIT INSPECTION 

    Disconnect BCM connector, and connect vehicle-side connector terminals shown below to positive probe and body ground to negative probe. Measure voltage.

    Fig 2: Power Supply Circuit Inspection Chart
    G00867048Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: GO TO 3
    2. NG: Repair or replace harness.
  3. GROUND CIRCUIT INSPECTION 

    Check continuity between BCM vehicle-side connector and body ground.

    Fig 3: Ground Circuit Inspection Chart
    G00867049Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: Power supply and ground circuits are normal.
    2. NG: Repair or replace harness.
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