Transmitter
switch
Unlock switch
ZFI
Lock switch
ON
n
OFFI
I
Signals
transmitted
Unlock signal
Lock signal
Signals
received
by
receiver
I
Door unlock signal
1
ON
light (operation confirmation function).
NOTE
The receiver determines that the codes are in agree-
I
OFF
1
I
the transmitter coincides with the code stored in the
ment when any of the three codes transmitted from
I
receiver.
I
Door lock signal
!
I
I
ON
I
I
OFF
I
Door lock
I
I
switch
I
ON
I
(Unlock)
1
OFF
(Lock)
;
;
I
I
Dome light
i
1
I
I
ON
I
l
I
I
I
I
OFF
I
I
-
0.5 sec. 0.5 sec.
3 sec.
4-18
BODY
-
Keyless
Entry System
OPERATION IN SYSTEM OPERATION MODE
When the transmission switch is pressed once, three
identical codes are transmitted from the transmitter.’
The secret code is decrypted by the comparator circuit
d
in the receiver which compares the code with the
code stored in the receiver. When the transmitted
code coincides with the stored code, the receiver
sends a door unlock signal or door lock signal to
the ETACS-ECU.
In response to the signal, the doors are locked or
unlocked. When the door lock switch in the door lock
actuator is caused to be ON (unlock) or OFF (lock),
the receiver causes the dome light to flash or steadily
0.5
sec.
18CO573
Signals
received
by receiver
Unlock signal
r-l
1
I
I
Door unlock signal
1
Door lock signal
1
ON
I
I
OFF
I
I
Door switch
H
*
I
30 sec.
I
ON
I
I
I
I
OFF
I
I
I
I
Door lock switch
I
I
I
ON
I
I
bUF”:““k’
I
I
I
I
(Lock)
18CO57:
TIMER LOCK FUNCTION
If none of the doors is opened in less than 30 seconds
after the doors have been unlocked by the
keyless
entry system, the receiver will automatically output
a door lock signal to the ETACS-ECU to re-lock the
doors.
This function prevents accidental unlocking of the
doors that may be caused by an unintentional opera-
tion of the transmitter.
Operation Inhibit Conditions
In the following cases, operation of the system is
inhibited.
l
When a code different from the one stored in
the receiver is received 30 consecutive times
in a minute, operation of the system is inhibited
for 10 minutes.
l
When the ignition key is in the ignition switch
(detected by the key reminder switch)
d
l
When any of the doors is not fully closed (door
switch: ON)