Check Power Supply & Ground Circuit

• Check fuses for blown-out.

Fig 1: Checking For Blown Out Fuses

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..

1. Disconnect BCM connector.
2. Check voltage between BCM harness connector and ground.

Fig 2: Voltage Check Between BCM Harness Connector & Ground Table

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 3: Checking Voltage Between BCM Harness Connector & Ground

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 continuity between BCM harness connector and ground.

Fig 4: Continuity Check Between BCM Harness Connector & Ground Table

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 5: Checking Continuity Between BCM Harness Connector & Ground

Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

1. OK: INSPECTION END
2. NG: Check ground circuit harness.