Check Power Supply And Ground Circuit

Check Fuses
- Check fuses for blown-out.
  
  Fig 1: Isolating Circuit Protections Devices
  Courtesy of NISSAN MOTOR CO., U.S.A.
Refer to WIRING DIAGRAM - TAIL/L - .

OK or NG
1. OK: Go to 2.
2. NG: If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to POWER SUPPLY ROUTING CIRCUIT . See FX-35 POWER DISTRIBUTION or FX-45 POWER DISTRIBUTION , and FX-35 GROUND DISTRIBUTION or FX-45 GROUND DISTRIBUTION . For component locations, see FX-35 ELECTRICAL COMPONENT LOCATOR or FX-45 ELECTRICAL COMPONENT LOCATOR .
Check Power Supply Circuit
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check voltage between BCM harness connector and ground.
  
  Fig 2: Testing Power To BCM
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 3: BCM Terminals 11, 38, 42, & 55 Specifications
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Go to 3.
2. NG: Check harness for open or short between BCM and fuse.
Check Ground Circuit
Checking Continuity Between BCM Harness Connector And Ground.

Fig 4: Testing BCM Ground Circuit
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 5: Identifying BCM Terminal 49 & 52 Specifications
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: Inspection end
2. NG: Check ground circuit harness.