Power Supply And Ground Circuit Inspection

FUSE INSPECTION
- Check that any of the following fuses in the BCM is blown.
Fig 1: Identifying Fuse No.
Courtesy of NISSAN MOTOR CO., U.S.A.

NOTE: Refer to "COMPONENT PARTS AND HARNESS CONNECTOR LOCATION ".

OK or NG?
1. OK >> GO TO 2.
2. NG >> If fuse is blown, be sure to eliminate cause of problem before installing new fuse. Refer to "POWER SUPPLY ROUTING ".
POWER SUPPLY CIRCUIT INSPECTION (BCM)
1. Turn ignition switch OFF.
2. Disconnect the BCM connector M4, check voltage between connector terminal (refer to the Chart below) of the harness connector and ground.
  
  Fig 2: Voltage Specifications Between Connector Terminal Harness Connector And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 3: Checking Voltage Between Connector Terminal Harness Connector And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG?
1. OK >> GO TO 3.
2. NG >> Check harness for open and short between BCM and fuse.
GROUND CIRCUIT INSPECTION (BCM)
Check continuity between BCM connector M4 terminals and ground.
1. 56 (B) - Ground :Continuity should exist.
2. 113 (B) - Ground :Continuity should exist.
OK or NG?
1. OK >> System is OK.
2. NG >> Repair or replace harness.
Fig 4: Checking Continuity Between BCM Connector M4 Terminals And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.