Description
Performs ID verification through BCM when mechanical key is inserted in the ignition key cylinder.
Prohibits the release of steering lock or start of engine when an unregistered ID of mechanical key is used.
DTC DETECTION LOGIC 
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Insert mechanical key into the key cylinder.
2. Check "Self diagnostic result" with CONSULT.
Is DTC detected?
YES >> Refer to SEC "Diagnosis Procedure".
NO >> Inspection End.
1.PERFORM INITIALIZATION
Perform initialization with CONSULT. Re-register all mechanical keys.
For initialization and registration of mechanical key. Refer to CONSULT Immobilizer mode and follow the onscreen instructions.
Can the system be initialized and can the engine be started with re-registered mechanical key?
YES >> Mechanical key was unregistered.
NO >> BCM is malfunctioning.
B2190, P1614 NATS antenna AMPDescription Performs ID verification through BCM and NATS antenna amplifier when ignition key is inserted and ignition switch turned ON. Prohibits the start of engine when an unregistered ID of ...

Description BCM performs the ID verification with ECM that allows the engine to start. BCM starts the communication with ECM if ignition switch is turned ON and starts the engine if the ID is OK ...
Starting the engine (models without NISSAN Intelligent Key system)
1. Apply the parking brake.
2. Automatic Transmission / CVT models:
Move the shift lever to P (Park) or N (Neutral).
P (Park) is recommended.
The shift lever cannot be moved out of
P (Park) and into any of the other gear
positions if the ignition key is turned to
the OFF position or if ...
P1148 closed loop control
DTC Logic
DTC DETECTION LOGIC
NOTE:
DTC P1148 is displayed with DTC for A/F sensor 1.
When the DTC is detected, perform the trouble diagnosis of DTC corresponding to
A/F sensor 1.
DTC No.
Trouble diagnosis
(Trouble diagnosis content)
DTC detecting condition
Possible cause ...