Check Power Supply & Ground Circuit

WARNING: This page is about a different car, the 2004 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUSES
- 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..
CHECK POWER SUPPLY CIRCUIT
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 GROUND CIRCUIT
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.