Infiniti Q45. Manual — part 222
VEHICLE SECURITY (THEFT WARNING) SYSTEM
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When the doors are locked with electronic key and none of the described conditions exist, the vehicle security
system will automatically shift to armed phase.
VEHICLE SECURITY SYSTEM ACTIVATION (WITH KEY OR ELECTRONIC KEY USED TO LOCK
DOORS)
If the emergency key is used to lock doors, driver side door control unit (LCU01) terminal 10 receives a ground
signal
●
to terminal 3 and 2 of the front door key cylinder switch (driver side).
●
through body grounds M24 and M114
If this signal (lock signal) from electronic key is received by BCM, the vehicle security system will activate
automatically.
Once the vehicle security system has been activated, BCM terminal 65 supplies ground to terminal 19 of the
security indicator lamp.
The security indicator lamp will illuminate for approximately 30 seconds and then blinks.
Now the vehicle security system is in armed phase.
VEHICLE SECURITY SYSTEM ALARM OPERATION
The vehicle security system is triggered by
●
opening a door
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opening the trunk lid
●
opening the hood
●
unlocking door without using the electronic key or emergency key.
The vehicle security system will be triggered once the system is in armed phase,
●
when BCM receives a ground signal at terminal 33, 37, 142, 143 (door switches), 146 (trunk lid lock
switch) or 122 (hood switch)
●
when driver door control unit (LCU01) receives a ground signal at terminal 6 (driver side door unlock sen-
sor)
●
when passenger, rear LH, RH door control unit receives a ground signal at terminal 13 (each door unlock
sensor)
Power is supplied at all times
●
to headlamp relay-1 terminal 2 and
●
through 15A fuse [No. 73, located in the fuse, fusible link and relay block (J/B)]
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to headlamp relay-2 terminal 2 and
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through 10A fuse [No. 56, located in the fuse, fusible link and relay block (J/B)]
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to security horn relay terminal 2.
When the vehicle security system is triggered, ground is supplied intermittently
●
from BCM terminal 5 (lamp relay) and 127 (security horn relay)
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to headlamp relay-1 terminal 1 and
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to headlamp relay-2 terminal 1 and
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to security horn relay terminal 1.
The headlamps flash and the horn sounds intermittently.
The alarm automatically turns off after 50 seconds but will reactivate if the vehicle is tampered with again.
VEHICLE SECURITY SYSTEM DEACTIVATION
To deactivate the vehicle security system, a door or the trunk lid must be unlocked with the key or electronic
key.
When the key is used to unlock a door, driver door control unit (LCU01) terminal 9 receives a ground signal
●
from terminal 1 and 2 of the driver side door key cylinder switch.
When the emergency key is used to unlock the trunk lid, BCM terminal 145 receives a ground signal
●
from terminal 1 and 2 of the trunk lid key cylinder switch.
When the BCM receives either one of these signals or unlock signal from electronic key, the vehicle security
system is deactivated. (Disarmed phase)
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VEHICLE SECURITY (THEFT WARNING) SYSTEM
PANIC ALARM OPERATION
Remote keyless entry system may or may not operate vehicle security system (horn and headlamps) as
required.
When the Remote keyless entry system is triggered, ground is supplied intermittently.
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to BCM terminal 5 (lamp relay) and 127 (security horn relay)
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to headlamp relay-1 terminal 1 and
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to headlamp relay-2 terminal 1 and
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to security horn relay terminal 1.
The headlamp flashes and the horn sounds intermittently.
The alarm automatically turns off after 30 seconds or when BCM receives any signal from electronic key or
ignition key cylinder (emergency key is inserted).
VEHICLE SECURITY (THEFT WARNING) SYSTEM
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Schematic
NIS000WP
TIWM0146E
BL-160
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Wiring Diagram — VEHSEC —
NIS000WQ
TIWM0682E
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