Nissan Maxima Service and Repair Manual: Power supply and ground circuit
BCM : Diagnosis Procedure
Regarding Wiring Diagram information, refer to BCS-67, "Wiring Diagram".
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.
Check voltage between BCM harness connector and ground.
3. CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
BCM : Special Repair Requirement
1. REQUIRED WORK WHEN REPLACING BCM
Initialize control unit. Refer to BCS-5, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (BCM) :