BCM Power Supply And Ground Circuit Inspection

WARNING: This page is about a different car, the 2003 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.

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
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 2.
2. NG: Replace the fuse or fusible link.
POWER SUPPLY CIRCUIT INSPECTION
Disconnect BCM connector, and connect vehicle-side connector terminals shown below to positive probe and body around to negative probe. Measure voltage.

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

OK or NG
1. OK: GO TO 3.
2. NG: Replace applicable power circuit harness.
GROUND CIRCUIT INSPECTION
Check continuity between BCM vehicle-side connector and body ground.

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

OK or NG
1. OK: Power supply and ground circuits are normal.
2. NG: Replace BCM ground circuit harness.