Nissan Maxima Service and Repair Manual: Power supply and ground circuit
1. CHECK FUSE AND FUSIBLE LINK
Check if the following BCM fuses or fusible link are blown
2. CHECK POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect BCM.
- Check voltage between BCM harness connector and ground.
3. CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Special Repair Requirement
1. REQUIRED WORK WHEN REPLACING BCM