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. ...
PLUG
Description
Replace the O-ring if oil leakage or exudes from the plug.
Exploded View
1. Plug 2. O-ring 3. O-ring
4. Plug Genuine NISSAN CVT Fluid
NS-3
Removal and Installation
REMOVAL
Remove the plugs and O-rings.
INSTALLATION
Installation is in the reverse order of removal.
CAUT ...
Passenger side
PASSENGER SIDE : Exploded View
WITH REMOVABLE HEADREST
1. Seatback trim 2. Seatback pad 3. Headrest
4. Headrest holder (free) 5. Headrest holder (locked) 6. Chute rod
7. Seat frame assembly 8. Side air bag module 9. Recline lever
WITHOUT REMOVABLE HEADREST
1. Seatback trim 2. Seatback ...