Diagnosis Procedure
Regarding Wiring Diagram information, refer to BCS "Wiring Diagram".
1.CHECK FUSES AND FUSIBLE LINK
Check that the following fuses and fusible link are not blown. 
Is the fuse blown?
YES >> Replace the blown fuse or fusible link after repairing the affected circuit.
NO >> GO TO 2.
2.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connectors.
3. Check voltage between BCM connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair harness or connector.
3.CHECK GROUND CIRCUIT
Check continuity between BCM connector and ground. 
Is the inspection result normal?
YES >> Inspection End.
NO >> Repair harness or connector.
B2196 Dongle unitDescription BCM performs ID verification between BCM and dongle unit. When verification result is OK, BCM permits cranking. ...

Description Vehicle security indicator is built in combination meter. NATS (Nissan Anti-Theft System) condition is indicated by blink or illumination of vehicle security indicator. ...
CSC (Concentric slave cylinder)
Exploded View
1. Transaxle assembly 2. CSC (concentric slave cylinder)
Removal and Installation
CAUTION:
Do not reuse CSC (concentric slave cylinder). CSC slides back to
the original position every time
when removing transaxle assembly. At this time, dust on the sliding parts
may ...
Side air bag module
Removal and Installation
REMOVAL
WARNING:
Do not leave any objects (screwdrivers, tools, etc.) on the seat during seatback
repair. It can lead to
personal injury if the side air bag should accidentally deploy.
CAUTION:
Before servicing, turn ignition switch OFF, disconnect both
battery ...