Nissan Altima L32. Instruction — part 1268
SEC-222
< FUNCTION DIAGNOSIS >
[SEDAN WITH INTELLIGENT KEY]
NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS)
• Possible symptom of NVIS (NATS) malfunction is “Engine cannot start”. In L32, the engine can be started
with the Intelligent Key system and NVIS (NATS). Identify the possible causes according to “Work Flow”,
• If ECM other than Genuine NISSAN is installed, the engine cannot be started. For ECM replacement proce-
dure, refer to
SEC-214, "ECM RE-COMMUNICATING FUNCTION : Special Repair Requirement"
PRECAUTIONS FOR KEY REGISTRATION
• The key registration is a procedure that erases the current NVIS (NATS) ID once, and then re-registers a
new ID operation. Therefore the registered Intelligent Key is necessary for this procedure. Before starting
the registration operation collect all registered Intelligent Keys from the customer
• When registering the Intelligent Key, performs only one procedure to register simultaneously both ID (NVIS
“NATS” ID registration and Intelligent Key ID registration).
The NVIS (NATS) ID registration is the procedure that registers the ID stored into the transponder (inte-
grated in intelligent key) to BCM.
The Intelligent key ID registration is the procedure that registers the ID to BCM.
• When performing the Intelligent Key system registration only, the engine cannot be started by inserting the
key into the key slot. When performing the NVIS (NATS) registration only, the engine cannot be started by
the operation when carrying the key. The registrations of both systems should be performed.
SECURITY INDICATOR
• Warns that the vehicle is equipped with NVIS (NATS).
• The security indicator always blinks when the Intelligent Key is removed from the key slot and when the igni-
tion switch is in LOCK position.
NOTE:
Because security indicator is highly efficient, the battery is barely affected.
NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS)
SEC-223
< FUNCTION DIAGNOSIS >
[SEDAN WITH INTELLIGENT KEY]
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Component Parts Location
INFOID:0000000004206179
ALKIA1300ZZ
1.
Body control module M16, M17, M18, M19, M21
(view with instrument panel removed)
2.
CVT device (park position switch)
M23
(with CVT)
3.
ECM E10
4.
Push button ignition switch M38
5.
Key slot M40
6.
Electronic steering column lock M32
(steering column)
7.
Stop lamp switch E38
(view with lower LH instrument panel removed)
8.
Security indicator lamp
9.
Information display
10. Park neutral position switch connector (TCM
connector) F16
(with CVT/VQ)
11. Park neutral position switch F25
(with CVT/QR)
12. Park neutral position switch F32
(with M/T)
SEC-224
< FUNCTION DIAGNOSIS >
[SEDAN WITH INTELLIGENT KEY]
NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS)
Component Description
INFOID:0000000004206180
Component Reference
BCM
Steering lock unit
Push-button ignition switch
Door switch
CVT device (park position switch)
Inside key antenna
Remote keyless entry receiver
Stop lamp switch
Park/neutral position switch
Clutch switch
Steering lock relay
Starter relay
Starter control relay
Security indicator
Key warning lamp
VEHICLE SECURITY SYSTEM
SEC-225
< FUNCTION DIAGNOSIS >
[SEDAN WITH INTELLIGENT KEY]
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VEHICLE SECURITY SYSTEM
System Diagram
INFOID:0000000004206181
System Description
INFOID:0000000004206182
INPUT/OUTPUT SIGNAL CHART
OPERATION FLOW
SETTING THE VEHICLE SECURITY SYSTEM
Initial Condition
• Ignition switch is in OFF position.
ALKIA1743GB
Switch
Input signal to BCM
BCM system
Actuator
All door switch
Open or close
Vehicle security system
• IPDM E/R
• Head lamp
• Horn
• Security indicator lamp
Trunk room lamp switch
Door key cylinder switch
Lock or unlock
Door lock and unlock switch
Door request switch
Intelligent Key
Lock or unlock
Panic alarm
Key slot
Intelligent Key sensing
PIIA1367E
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