Inspection of BCM Power Supply and Ground Circuit

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

Fuse And Fusible Link Inspection
Check if any of the following BCM fuses and fusible links are blown.

Fig 1: Fuse And Fusible Link Chart
Courtesy of NISSAN MOTOR CO., U.S.A.
- Refer to lighting wiring diagram in SYSTEM WIRING DIAGRAMS .
OK or NG
1. OK : GO TO 2.
2. NG : Replace fuse or fusible link.
Power Supply Circuit Inspection
Disconnect BCM connector. To measure voltage, connect following connector terminals to positive probe and body ground to negative one.

Fig 2: Terminals And Voltage Reference Value Chart
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 3: Checking Voltage Between BCM Connector And Body Ground
Courtesy of NISSAN MOTOR CO., U.S.A.
- Refer to lighting wiring diagram in SYSTEM WIRING DIAGRAMS .
OK or NG
1. OK : GO TO 3.
2. NG : Replace BCM power supply circuit harness.
Ground Circuit Inspection
Check continuity between the following connector of BCM and body ground.

Fig 4: Terminal Continuity Chart
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 5: Checking Continuity Between BCM And Body Ground
Courtesy of NISSAN MOTOR CO., U.S.A.
- Refer to lighting wiring diagram in SYSTEM WIRING DIAGRAMS .
OK or NG
1. OK : Inspection end.
2. NG : Replace BCM ground circuit harness.