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. ...
Structure and operation
TRANSAXLE
TRANSAXLE : Cross-Sectional View
1. Converter housing 2. Oil pump 3. Counter drive gear
4. Control valve 5. Oil pan 6. Primary pulley
7. Steel belt 8. Secondary pulley 9. Planetary gear (auxiliary gearbox)
10. Side cover 11. Transaxle case 12. Differential case
13. Final gear ...
Shift lock system
Component Function Check
1.CHECK SHIFT LOCK OPERATION (BRAKE PEDAL RELEASED)
Ignition switch ON.
Attempt to shift selector lever to any position other than "P" position
with brake pedal released.
Can the selector lever be shifted?
YES >> Go to TM "Diagnosis Procedure".
...