Infiniti M45 (Y34). Manual — part 207
REMOTE KEYLESS ENTRY SYSTEM
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System Description
AIS001DO
POWER SUPPLY AND GROUND
Power is supplied at all times
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to BCM terminal 105
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through 10A fuse [No. 3, located in the fuse block (J/B) No. 1]
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to key switch terminal 3
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through 10A fuse [No. 32, located in the fuse block (J/B) No. 2].
When the key switch is ON (key is inserted in ignition key cylinder), power is supplied
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to BCM terminal 69
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through key switch terminal 4.
When the ignition switch is ACC, power is supplied
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to BCM terminal 60
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through 10A fuse [No. 21, located in the fuse block (J/B) No. 1].
When door switch is in OPEN position, ground is supplied
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to BCM terminals 142 (driver side), 37 (passenger side), 33 (Rear LH), 143 (Rear RH)
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through door switches terminal 1.
When door is unlocked, ground is supplied
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to driver door control unit (LCU01) terminal 6 or passenger, rear LH, RH door control unit terminal 2
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from terminal 2 of each door unlock sensor.
Electronic key signal input
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to BCM terminal 27
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through remote keyless entry receiver.
The remote keyless entry system controls operation of the
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power door lock
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hazard and horn reminder
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trunk lid opener
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panic alarm
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keyless power window down (open)
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auto door lock
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map lamp
BCM is connected to LCU01 via DATA LINE A-3.
OPERATING PROCEDURE
BCM can receive signals from electronic key when key switch is in OFF position (key is not in ignition key cyl-
inder).
It then sends the signals to LCU01 as DATA LINE A-3.
POWER DOOR LOCK OPERATION
When BCM receives a LOCK signal from electronic key, BCM will then send a LOCK signal [when all door
switches are OFF (all doors are closed)]
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from its terminal 67 (DATA LINE A-3)
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to driver door control unit (LCU01) terminal 8.
When an UNLOCK signal is sent from electronic key once, driver’s door will be unlocked.
Then, if an UNLOCK signal is sent from electronic key again within 3 seconds, all other doors will be unlocked.
For detailed description, refer to
BL-18, "POWER DOOR LOCK SYSTEM"
HAZARD AND HORN REMINDER
Power is supplied at all times
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to security horn relay terminal 2
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through 10A fuse (No. 78, located in the fuse, fusible link and relay box).
When BCM receives a LOCK or UNLOCK signal from electronic key, ground is supplied
BL-54
REMOTE KEYLESS ENTRY SYSTEM
[when specific door switch is ON (specific door is OPEN), BCM does not receive a LOCK signal (BCM
receives a UNLOCK signal)]
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to security horn relay terminal 1
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through BCM terminal 127.
When BCM receives a LOCK or UNLOCK signal from electronic key, power is supplied
[When specific door switch is ON (specific door is open), BCM does not receive a LOCK signal.]
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to combination flasher unit terminal 6
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through BCM terminal 7.
combination flasher unit and security horn relay are now engaged, and hazard warning lamps flash and secu-
rity horn sounds as a reminder.
OPERATING FUNCTION OF HAZARD AND HORN REMINDER
This vehicle is set in hazard and horn mode when you first receive the vehicle.
Hazard And Horn Mode
When the LOCK button is pushed, the hazard warning lamp flashes twice and horn chirps once.
When the UNLOCK button is pushed, the hazard warning lamp flashes once.
Hazard Only Mode
When the LOCK button is pushed, the hazard warning lamp flashes twice.
When the UNLOCK button is pushed, neither the hazard warning lamp nor the horn operates.
TRUNK LID OPENER OPERATION
Power is supplied at all times
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to trunk lid opener actuator terminal 1
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through 10A fuse [No. 15, located in the fuse block (J/B) No. 1].
When a TRUNK OPEN signal is sent from electronic key without the electronic key inserted in the ignition key
cylinder, if the trunk lid opener cancel switch is ON position, power is supplied
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through trunk lid opener relay
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through 10A fuse [No. 3, located in the fuse block (J/B) No. 1].
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through trunk lid cancel switch terminals 1 and 2
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to BCM terminal 109.
Then ground is supplied
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to trunk lid opener actuator terminal 2
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through trunk lid opener relay
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through body grounds E42 and E62.
Then power and ground are supplied, trunk lid opener actuator opens trunk lid.
PANIC ALARM OPERATION
Remote keyless entry system activates horn and headlamps intermittently when an ALARM signal is sent from
electronic key to remote keyless entry system without the electronic key inserted in the ignition key cylinder.
For detailed description, refer to
BL-126, "VEHICLE SECURITY (THEFT WARNING) SYSTEM"
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KEYLESS POWER WINDOW DOWN (OPEN) OPERATION
When electronic key unlock switch is turned ON with ignition switch OFF, and electronic key unlock switch is
detected to be on continuously for 3 seconds, the front door LH, RH power windows are simultaneously
opened.
Power window is operated to open and the operation continues as long as the electronic key unlock switch is
pressed.
MODE
(Push “LOCK” and “UNLOCK” buttons for more
than 2 seconds to switch)
Switching indicator
LOCK
UNLOCK
Hazard and horn
→
Hazard only
Hazard - 3 times
Hazard -twice
No operation
Hazard only
→
Hazard and horn
Hazard - once
Horn - once
Hazard - twice
Horn - once
Hazard - once
REMOTE KEYLESS ENTRY SYSTEM
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AUTO DOOR LOCK OPERATION
Auto lock function signal is sent for operation when any of the following signals are not sent within 5 minutes
after the unlock signal is sent from the electronic key:
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when door switch is turned ON for open.
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when the key switch is turned ON.
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when the lock signal is sent from the electronic key.
MAP LAMP OPERATION
When the following conditions come:
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condition of interior lamp illumination switch is DOOR position;
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door switch OFF (when all the doors are closed);
Remote keyless entry system turns on map lamp (for 30 seconds) with input of UNLOCK signal from elec-
tronic key. For detailed description, refer to
BL-56
REMOTE KEYLESS ENTRY SYSTEM
Schematic
AIS001DP
TIWA0189E
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