BCM Power Supply and Ground Circuit Inspection

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

FUSE INSPECTION
Check the following fuses and fusible link in the fuse block (J/B) and fuse and fusible link box.

Fig 1: BCM Fuse Specifications
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
- OK: GO TO 2.
- NG: Replace the fuse or fusible link.
BCM POWER SUPPLY CIRCUIT INSPECTION
Disconnect BCM connector, and connect vehicle-side connector terminals shown below to positive probe and body ground to negative probe. Measure voltage.

Fig 2: BCM Power Supply Circuit Specifications
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
- OK: GO TO 3.
- NG: Repair or replace harness.

BCM GROUND CIRCUIT INSPECTION

Check continuity between BCM vehicle-side connector and body ground.

TERMINALS CONTINUITY REFERENCE

Unit	Terminal No.	Signal name	Ignition switch	Continuity
BCM	9, 52	Ground	OFF	Yes

OK or NG

OK: Power supply and ground circuits are normal.
NG: Repair or replace harness.