Inspection For Power Supply And Ground Circuit

WARNING: This page is about a different car, the 2005 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUSES
Check for blown BCM fuses.

Fig 1: Fuse Specification Chart
Courtesy of NISSAN MOTOR CO., U.S.A.

Refer to "WIRING DIAGRAM - CHIME - ".

OK or NG
- OK: GO TO 2.
- NG: If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to "POWER SUPPLY ROUTING CIRCUIT ".
CHECK POWER SUPPLY CIRCUIT
1. Disconnect BCM connectors M18 and M19.
2. Check voltage between BCM harness connector terminals 55, 38 and ground.
  
  Fig 2: Checking Voltage Between Terminals 55, 38 & Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 3: Terminal Voltage Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK: GO TO 3.
- NG: Check harness for open between BCM and fuse.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between BCM harness connector M19 terminal 52 (B/W) and ground.
  
  Fig 4: Checking Continuity Between Terminal 52 & Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Continuity should exist.
OK or NG
- OK: Inspection End.
- NG: Repair harness or connector.