NISSAN VEHICLE IMMOBILIZER SYSTEMNATS : System Diagram
NISSAN VEHICLE IMMOBILIZER SYSTEMNATS : System Description
INPUT/OUTPUT SIGNAL CHART
BCM
SYSTEM DESCRIPTION
NATS (Nissan Anti-Theft System) has the following immobilizer functions:
*1: All keys kept by the owner of the vehicle should be registered with mechanical key.
- ECM
- BCM
- Ignition key
- Remote keyless entry receiver
PRECAUTIONS FOR KEY REGISTRATION
Therefore the registered key is necessary for this procedure. Before starting the registration procedure, collect all registered Keys from the customer.
The key ID registration is the procedure that registers the ID to the BCM.
SECURITY INDICATOR
Always flashes with ignition key in the OFF position.
MAINTENANCE INFORMATION
CAUTION: It is necessary to perform NATS ID registration when replacing any of the following part.
If it's not (or fail to do so), the electrical system may not operate properly.
DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT Function (BCM -COMMON ITEM)
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions.
IMMU
IMMU : CONSULT Function (BCM - IMMU)
SELF DIAGNOSTIC RESULT
Refer to BCS "DTC Index".
ACTIVE TEST
WORK SUPPORT
Explanation of scheduled maintenance items
The following descriptions are provided to give
you a better understanding of the scheduled
maintenance items that should be regularly
checked or replaced. The maintenance schedule
indicates at which mileage/time intervals each
item requires service.
In addition to scheduled maintenance, you ...
Compression pressure
Inspection
Warm up engine and then turn it off.
Release fuel pressure.
Remove ignition coil and spark plug from each cylinder.
Connect engine tachometer (not required in use of CONSULT).
Install compression gauge (B) with an adapter (A) (commercial
service tool) onto spark plug hole.
...