Infiniti G35 (V35) Sedan. Manual — part 1165
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
SEC-15
< FUNCTION DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
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Component Description
INFOID:0000000000961319
1.
Key slot M22
2.
Combination meter (Key warning
lamp) M53
3.
Front door lock assembly (driver
side) (door key cylinder switch) D15
4.
Power window main switch D8, D9
5.
Front door switch (driver side) B16
6.
Trunk lid lock assembly (trunk room
lamp switch) B303
7.
Hood switch E30
8.
TCM F151
9.
A/T device (detention switch) M137
A.
View with front door finisher re-
moved.
B.
View with trunk lid finisher removed. C.
View with hood switch incorporated
into hood lock (RH).
D.
Inside of A/T (built into A/T).
E.
View with center console assembly
removed.
JMKIA0145GB
Component Reference
BCM
Steering lock unit
Push-button ignition switch
Door switch
A/T device (detention switch)
Inside key anttena
SEC-16
< FUNCTION DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
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
Component Reference
INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS
SEC-17
< FUNCTION DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
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INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS
System Diagram
INFOID:0000000000961320
System Description
INFOID:0000000000961321
INPUT/OUTPUT SIGNAL CHART
SYSTEM DESCRIPTION
• The IVIS (NATS) is an anti-theft system by registering an Intelligent Key ID in to the vehicle and prevents the
engine being started by an unregistered Intelligent Key. It has a higher protection against auto thefts that
duplicate mechanical key.
• It performs the ID verification when starting the engine in the same way as the Intelligent Key system. But, it
performs the IVIS (NATS) ID verification when inserting the Intelligent Key and performs the Intelligent Key
ID verification when carrying the Intelligent Key.
• The Intelligent Key system of V36 is not the same as the conventional models. The mechanical key inte-
grated in the Intelligent Key cannot start the engine. When the Intelligent Key battery is discharged, the IVIS
(NATS) ID verification memorized to the transponder integrated with Intelligent Key is performed by inserting
the Intelligent Key into the key slot. If the verification results are OK, the engine start operation can be per-
formed by the push-button ignition switch operation.
• Locate the security indicator and apply the anti-theft system equipment sticker, forewarn that the IVIS
(NATS) is onboard with the model.
• The security indicator always blinks when the Intelligent Key is removed from the key slot and when the
power supply position is in LOCK position.
• Intelligent Key can be registered up to 4 keys (Including the standard ignition key) on request from the
owner.
• The specified registration is required when replacing ECM, BCM or Intelligent Key. The registrations proce-
dure for IVIS (NATS) and registration procedure for Intelligent Key when installing the BCM, refer to CON-
SULT-III Operation Manual NATS-IVIS/NVIS.
JMKIA0058GB
Switch
Input signal to BCM
BCM function
Actuator
Push-button ignition switch
Push switch
IVIS (NATS)
• Steering lock relay
• Steering lock unit
• Starter relay (IPDM E/R)
• Starter control relay (IPDM E/R)
• Starter motor
• KEY warning lamp
• Security indicator lamp
AT device (A/T models)
P range
PNP switch (A/T models)
N, P range
Clutch interlock switch (M/T models)
Clutch ON/OFF
Stop lamp switch
Brake ON/OFF
Key slot
Key ID
Each door switch
Door open/close
ECM
Engine status signal
SEC-18
< FUNCTION DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS
• Possible symptom of IVIS (NATS) malfunction is “Engine cannot start”. In V36, the engine can be started
with the Intelligent Key system and IVIS (NATS). Identify the possible causes according to “Work Flow”,
Refer to
.
• If ECM other than Genuine NISSAN is installed, the engine cannot be started. For ECM replacement proce-
dure, refer to
SEC-8, "ECM RE-COMMUNICATING FUNCTION : Special Repair Requirement"
.
PRECAUTIONS FOR KEY REGISTRATION
• The key registration is a procedure that erases the current IVIS (NATS) ID once, and then re-registers a new
ID operation. Therefore the registered Intelligent Key is necessary for this procedure. Before starting the reg-
istration operation collect all registered Intelligent Keys from the customer
• When registering the Intelligent Key, performs only one procedure to register simultaneously both ID (IVIS
“NATS” ID registration and Intelligent Key ID registration).
The IVIS (NATS) ID registration is the procedure that registers the ID stored into the transponder (integrated
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 IVIS (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 IVIS (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.
Component Parts Location
INFOID:0000000000961322
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