Infiniti G37 Coupe. Manual — part 1131
INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS
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< FUNCTION DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
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A.
View with battery cover removed.
B.
View with instrument assist lower
panel removed.
C.
View with instrument driver lower
cover removed.
D.
View with instrument driver lower
cover removed.
E.
View with instrument driver lower
cover removed.
F.
View with front bumper removed.
1.
Key slot M22
2.
Combination meter (Key warning
lamp) M53
3.
Driver side door lock assembly (door
key cylinder switch) D15
4.
Power window main switch D8
5.
Driver side door switch 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
10. ASCD clutch switch (ASCD models)
E108
ICC clutch switch (ICC models) E113
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.
F.
View with instrument driver lower
cover removed.
JMKIA1272ZZ
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< FUNCTION DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS
Component Description
INFOID:0000000001699912
Component Reference
BCM
Steering lock unit
Push-button ignition switch
Door switch
key slot
A/T device (detention switch) (A/T models)
Inside key antenna
Remote keyless entry receiver
Stop lamp switch
Park/neutral position switch (A/T models)
Clutch switch (M/T models)
ASCD clutch switch (M/T models with ASCD)
ICC clutch switch (M/T models with ICC)
Steering lock relay
Starter relay
Starter control relay
Security indicator
Key warning lamp
VEHICLE SECURITY SYSTEM
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< FUNCTION DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
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VEHICLE SECURITY SYSTEM
System Diagram
INFOID:0000000001699913
System Description
INFOID:0000000001699914
INPUT/OUTPUT SIGNAL CHART
OPERATION FLOW
SETTING THE VEHICLE SECURITY SYSTEM
Initial Condition
• Ignition switch is in OFF position.
JMKIA0056GB
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
Hood switch
Door key cylinder switch
Lock or unlock
Door lock and unlock switch
Door request switch
Intelligent Key
Lock or unlock
Panic alarm
PIIA1367E
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< FUNCTION DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
VEHICLE SECURITY SYSTEM
Disarmed Phase
• When hood, doors or trunk is open, the vehicle security system is set in the disarmed phase on the assump-
tion that the owner is inside or near the vehicle.
• When the vehicle security system is in the disarmed phase, the security indicator lamp blinks every 2.4 sec-
onds.
Pre-armed Phase and Armed Phase
When the following operation 1 or 2 is performed, the vehicle security system turns into the “pre-armed”
phase. (The security indicator lamp illuminates.)
1.
BCM receives LOCK signal from front door key cylinder switch or Intelligent Key, after hood, trunk and all
doors are closed.
2.
Hood, trunk and all doors are closed after front doors are locked by key or door lock and unlock switch.
The security indicator lamp illuminates for 30 seconds. Then, the system automatically shifts into the
“armed” phase.
CANCELING THE SET VEHICLE SECURITY SYSTEM
When one of the following operations is performed, the armed phase is canceled.
1.
Unlock the doors with the key or Intelligent Key.
2.
Turn ignition switch “ON” or “ACC” position.
CANCELING THE ALARM OPERATION OF THE VEHICLE SECURITY SYSTEM
When unlocking the door with the key or Intelligent Key the alarm operation is canceled.
ACTIVATING THE ALARM OPERATION OF THE VEHICLE SECURITY SYSTEM
Check that the system is in the armed phase. (The security indicator lamp blinks every 2.4 seconds.)
When the following operation 1 or 2 is performed, the system sounds the horns and flashes the headlamps for
about 50 seconds.
1.
Hood, trunk or any door is opened during armed phase.
2.
Disconnecting and connecting the battery connector before canceling armed phase.
PANIC ALARM OPERATION
Intelligent Key system may or may not operate vehicle security system (horn and headlamps) as required.
When the Intelligent Key system is triggered, ground is supplied intermittently to both headlamp relay and horn
relay.
When headlamp relay and horn relay are energized, then power is supplied to headlamps (LH and RH) and
horns (HIGH and LOW).
The headlamp flashes and the horn sounds intermittently.
The alarm automatically turns off after 50 seconds or when BCM receives any signal from Intelligent Key.
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